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Location: Pakistan

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Climate Change Threatens Agriculture In Khyber Pakhtunkhwa: Farmers Struggle To Cope

CIMMYT is at the forefront of addressing climate change challenges in Khyber Pakhtunkhwa (KP) by introducing drought-tolerant wheat varieties and hybrid seeds for vegetables, tailored to withstand water scarcity, heat stress, and erratic rainfall. Through collaborations with local research institutions, CIMMYT equips farmers with innovative solutions to sustain crop productivity in the face of extreme weather. These efforts directly support smallholder farmers in building resilience and securing their livelihoods amidst the growing threats posed by climate change.

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Heat tolerant maize: a solution for climate change-induced 360◦ water deficits

Seed company partners observe the performance of heat-tolerant hybrids in the dry heat of southern Karnataka, India. (Photo: CIMMYT)

Millions of smallholders in the Global South depend on maize, largely cultivated under rainfed conditions, for their own food security and livelihoods. Climate change mediated weather extremes, such as heat waves and frequent droughts, pose a major challenge to agricultural production, especially for rainfed crops like maize in the tropics.

“With both effects coming together under heat stress conditions, plants are surrounded, with no relief from the soil or the air,” said Pervez H. Zaidi, maize physiologist with CIMMYT’s Global Maize Program in Asia. “Climate change induced drought and heat stress results in a double-sided water deficit: supply-side drought due to depleted moisture in soils, and demand-side drought with decreased moisture in the surface air. “

Extreme weather events

Weather extremes have emerged as the major factor contributing to low productivity of the rainfed system in lowland tropics. South Asia is already experiencing soaring high temperatures (≥40C), at least 5C above the threshold limit for tropical maize and increased frequency of drought stress.

A woman agricultural officer discusses the performance of heat tolerant hybrids at farmers’ field in Raichur districts of Karnataka, India. (Photo: CIMMYT)

“In today’s warmer and drier climate, unless farmers have copious amounts of water (which might not be a sustainable choice for smallholders in the tropics) to not only meet the increased transpiration needs of the plants but also for increased evaporation to maintain necessary levels of humidity in the air, the climate change mediated weather extremes, such as heat and drought pose a major challenge to agricultural production, especially for rainfed crops like maize in lowland tropics,” said Zaidi.

To deal with emerging trends of unpredictable weather patterns with an increased number of warmer and drier days, new maize cultivars must combine high yield potential with tolerance to heat stress.

Maize designed to thrive in extreme weather conditions

CIMMYT’s Global Maize Program in South Asia, in partnership with public sector maize research institutes and private sector seed companies in the region, is implementing an intensive initiative for developing and deploying heat tolerant maize that combines high yield potential with resilience to heat and drought.

By integrating novel breeding and precision phenotyping tools and methods, new maize germplasm with enhanced levels of heat stress tolerance is being developed for lowland tropics. Over a decade of concerted efforts have resulted in over 50 elite heat stress tolerant, CIMMYT-derived maize hybrids licensed to public and private sector partners for varietal release, improved seed deployment, and scale-up.

Popular normal hybrids (left) & CAH153, a heat tolerant hybrid (right) under heat stress. (Photo: CIMMYT)

As of 2023, a total of 22 such high-yielding climate-adaptive maize (CAM) hybrids have been released by partners throughout South Asia. Through public-private partnerships, eight hybrids are being already deployed and scaled-up to over 100,000 hectares in Bangladesh, Bhutan, India, Nepal, and Pakistan. Also, the heat tolerant lines developed by CIMMYT in Asia were used by maize programs in sub-Saharan Africa for developing heat tolerant maize hybrids by crossing these as trait donors with their elite maize lines.

Studies on the new CAM hybrids show that while their yield is like existing normal maize hybrids under favorable conditions, the CAM hybrids outperform normal hybrids significantly under unfavorable weather conditions.

“The unique selling point of the new CAM hybrids is that they guarantee a minimum yield of at least 1.0 tons per hectare to smallholder farmers under unfavorable weather when most of the existing normal hybrids end-up with very poor yield,” said Subhas Raj Upadhyay, from the Lumbini Seed Company Ltd. in Nepal.

Given the superior performance of CAM seeds in stress conditions, Nepali farmers have expressed willingness to pay a premium price: an average of 71% more with government subsidy, or at least 19% extra without a subsidy for CAM seed. Similarly, the farmers in hot-dry areas of the Karnataka state of India are ready to pay 37% premium price for CAM seed compared to normal hybrid seed. These reports strongly validate the demand of CAM seed and therefore a targeted initiative is needed to accelerate deployment and scaling these seeds in climate-vulnerable marginal agroecologies in tropics.

Unlocking the power of collaboration in global wheat science

CIMMYT Global Wheat Program (GWP) scientists visited National Agricultural Research Systems (NARS) partners in Pakistan, Nepal, and India during February 2024. The key purpose was to review current approaches and explore new opportunities to enhance collaborative wheat improvement activities.

NARS partners described their current priorities and recent changes in their activities, while CIMMYT shared recent modernization efforts of its wheat breeding and highlighted opportunities to enhance collaborative wheat improvement. GWP representatives included Interim Wheat Director Kevin Pixley, and scientists Naeela Qureshi, Velu Govindan, Keith Gardner, Sridhar Bhavani, T.P. Tiwari, and Arun K Joshi.

Representatives from the Pakistan Agricultural Research Council (PARC) and CIMMYT meet to identify chances for improved cooperation in wheat breeding research. (Photo: Awais Yaqub/CIMMYT)

Planning the future of South Asian wheat

In each country, CIMMYT and NARS leaders held a one-day meeting to review and plan their wheat improvement partnership, with attendance from 25-30 wheat scientists in each country. The sessions aimed to review and identify bottlenecks to the wheat impact pathway in each country, describe recent changes in the breeding programs of CIMMYT and NARS partners, and prioritize and agree updates to the NARS-CIMMYT wheat improvement collaborations.

NARS partners highlighted their wheat improvement programs through field visits to research stations. Visitors attended Wheat Research Institute (ARI), Faisalabad and National Agricultural Research Center (NARC), Islamabad in Pakistan; National Wheat Research Program (NWRP), Bhairahawa and National Plant Breeding & Genetics Research Center (NPBGRC), Khumaltar in Nepal; and Indian Institute of Wheat and Barley Research (IIWBR), Punjab Agricultural University (PAU), Borlaug Institute for South Asia (BISA), and the Indian Agricultural Research Institute (IARI) in India.

The GWP team also visited: Faisalabad Agricultural University, with a special focus on collaborative zinc biofortification work in Pakistan; farmers’ fields in Nepal to see participatory evaluations of elite wheat lines (candidates for release as new varieties) and to hear from farmers about challenges and expectations from improved varieties; and the Lumbini Seed Company to learn about the crucial role of seed companies, bottlenecks, and opportunities in the pathway from research to impact in farmers’ fields.

NARS scientists and directors in all three countries were enthusiastic about the opportunities for enhanced partnership to adopt some of the modernizing technologies that AGG has brought to CIMMYT. Partners are especially keen to –

  1. Receive earlier generation varieties, segregating breeding lines to empower them to select in their own environments.
  2. Model and explore strategies to shorten their breeding cycles.
  3. Apply quantitative genetics tools to better select parents for their crossing blocks.
  4. Adopt experimental designs that improve efficiency.
  5. Explore opportunities for co-implementing improvement programs through shared testing schemes, communities of practice (e.g. for quantitative genetics or use of exotic germplasm to address challenges from climate change), and more.
A highlight of the trip in Nepal: visiting on-farm trials, where farmers share insights about their preferences for improved varieties, where they often mentioned tolerance over lodging. (Photo: CIMMYT)

“The visit provided CIMMYT and NARS wheat scientists with the opportunity to exchange experiences and ideas, and to explore ways of enhancing collaborations that will strengthen our joint impact on wheat farmers and consumers,” said Pixley.

Following these visits, the Bangladesh Wheat and Maize Research Institute (BWMRI) soon reached out to CIMMYT to request a similar review and planning meeting, with a vision to modernize and strengthen their wheat improvement partnership.

PARC pioneered, climate resilient wheat varieties

The “Sino-Pak Research Activities on Wheat Genomics” seminar, featuring CIMMYT-CAAS China’s Prof. Dr. Zhonghu He, highlighted the CIMMYT’s contributions to enhancing wheat genomics for better productivity and food security. Hosted by PARC at NARC, the event underscored advancements in breeding technologies and molecular markers, aiming to develop climate-resilient wheat varieties and foster Sino-Pak collaboration in agricultural research and innovation.

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Pakistan-China wheat breeding cooperation ensures Pakistan’s food security, UN SDGs: experts

The Pakistan-China collaboration on wheat production, supported by CIMMYT, focuses on enhancing wheat yield and quality in Pakistan to bolster food security. Through sharing Chinese technological advancements and leveraging CIMMYT’s expertise, this partnership is developing resilient, nutrient-rich wheat varieties, aiming for sustainable agriculture and progress towards the Sustainable Development Goals.

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Enhancing wheat breeding efficiency in South Asia through early germplasm access

Wheat field. (Photo: CGIAR)

In the dynamic landscape of wheat breeding, early access to germplasm emerges as a strategic catalyst for accelerating variety turnover and meeting the evolving challenges faced by farmers in South Asia. Since its inception, the Accelerating Genetic Gains in Maize and Wheat (AGG) project has pioneered new tools to optimize the wheat breeding process. One such tool, the efficient and low-cost 3-year breeding cycle, has been fine-tuned in Mexico, using the Toluca screenhouse and field advancement in Obregón, laying the groundwork for faster variety turnover.

The inaugural set of lines generated through this enhanced breeding cycle is already undergoing Stage 1 trials in the Obregón 2023-24 season. However, the innovation doesn’t stop there; to expedite the variety release process and garner robust data from the Target Population of Environments (TPE), Stage 2 lines are being rigorously tested at over 20 sites in South Asia through collaboration with National Agricultural Research and Extension Services (NARES) partners. In the seasons spanning 2021-2024, a total of 918 Stage 2 lines underwent rigorous trials, aiming to provide early access to improved wheat lines for testing and release by NARES and establish a genetic correlation matrix between Obregón selection environments and diverse sites across South Asia.

These extensive trials serve a dual purpose. Firstly, they facilitate early access to improved wheat lines for testing and release by NARES, bolstering the agricultural landscape with resilient and high-yielding varieties. Secondly, they contribute to the establishment of a genetic correlation matrix between the selection environments in Obregón and the diverse sites across South Asia. This matrix becomes a guiding compass, aiding in selecting the most promising lines for broader TPEs in South Asia and beyond.

Transformative impact on wheat varieties in South Asia

Through the support of our partners and funders from the Bill & Melinda Gates Foundation, the Foundation for Food and Agriculture Research (FFAR), the UK Foreign, Commonwealth & Development Office (FCDO), and the US Agency for International Development (USAID), great achievements have been recorded throughout the region. India, a prominent player in wheat cultivation, stands as a testament to the transformative impact of early access to advanced lines. The top three varieties, namely DBW187, DBW303, and DBW 222, covering over 6 million hectares, trace their roots to CIMMYT varieties. Adopting a fast-track approach through early-stage testing of these advanced lines at BISA sites in India, supported by the Delivering Genetic Gain in Wheat (DGGW) project, facilitated the release of these varieties two years ahead of the regular testing process. This expedited varietal release was complemented by the innovative early seed multiplication and dissemination approach introduced by the Indian Council of Agricultural Research (ICAR). Recent additions to this accelerated channel include varieties such as DBW 327, DBW 332, DBW 370, and 371, promising further advancements in wheat cultivation.

Pakistan

In Pakistan, the early access to advanced lines has been a catalyst for releasing high-yielding, climate-resilient, and nutritious wheat varieties. In 2023 alone, 12 new varieties were released, with the renowned ‘Akbar-19,’ introduced in 2019, covering a substantial 42% of cultivated land in Punjab. Data released by the Ayub Agricultural Research Institute (AARI), shows that this variety, known for its high yield potential, disease resistance, and enriched zinc content, has significantly contributed to increased wheat production in the region.

Nepal

Guided by policy interventions in the national varietal testing process, Nepal has experienced the fast-track commercialization of high-yielding and climate-resilient wheat varieties. Allowing multilocation testing of CIMMYT nurseries and advanced elite lines, Nepal released six biofortified zinc wheat varieties in 2020. The expeditious seed multiplication of these released and pre-release varieties has facilitated the rapid spread of new and improved wheat varieties.

The strategic utilization of early access to wheat germplasm in South Asia holds promise in accelerating variety turnover, offering farmers resilient and high-performing wheat varieties. Collaborative efforts between research institutions, government bodies, and international organizations exemplify the power of innovation in transforming agriculture. With an ongoing dedication to refining breeding cycles, expanding testing initiatives, and fostering collaboration, the AGG project contributes to building a sustainable and resilient agricultural future in South Asia. Early access to wheat germplasm emerges as a practical approach in this scientific endeavor, laying the foundation for a climate-resilient and food-secure region. The successes witnessed in India, Pakistan, and Nepal underscore the transformative potential of this approach, offering tangible benefits for agricultural communities in South Asia and beyond. In navigating the complexities of a changing climate and growing food demand, early access to wheat germplasm remains a pragmatic ally, propelling agricultural innovation and resilience to new heights.

Heat tolerant maize hybrids: a pursuit to strengthen food security in South Asia

After a decade of rigorous effort, CIMMYT, along with public-sector maize research institutes and private-sector seed companies in South Asia, have successfully developed and released 20 high-yielding heat-tolerant (HT) maize hybrids across Bangladesh, Bhutan, India, Nepal, and Pakistan. CIMMYT researchers used a combination of unique breeding tools and methods including genomics-assisted breeding, doubled haploidy (a speed-breeding approach where genotype is developed by chromosome doubling), field-based precision phenotyping, and trait-based selection to develop new maize germplasm that are high-yielding and also tolerant to heat and drought stresses.

While the first batch of five HT maize hybrids were released in 2017, by 2022 another 20 elite HT hybrids were released and eight varieties are deployed over 50,000 ha in the above countries.

In South Asia, maize is mainly grown as a rainfed crop and provides livelihoods for millions of smallholder farmers. Climate change-induced variability in weather conditions is one of the major reasons for year-to-year variation in global crop yields, including maize in Asia. It places at risk the food security and livelihood of farm families living in the stress-vulnerable lowland tropics. “South Asia is highly vulnerable to the detrimental effects of climate change, with its high population density, poverty, and low capacity to adapt. The region has been identified as one of the hotspots for climate change fueled by extreme events such as heat waves and intermittent droughts,” said Pervez H. Zaidi, principal scientist at CIMMYT.

Heat stress impairs the vegetative and reproductive growth of maize, starting from germination to grain filling. Heat stress alone, or in combination with drought, is projected to become a major production constraint for maize in the future. “If current trends persist until 2050, major food yields and food production capacity of South Asia will decrease significantly—by 17 percent for maize—due to climate change-induced heat and water stress,” explained Zaidi.

From breeding to improved seed delivery–the CIMMYT intervention

In the past, breeding for heat stress tolerance in maize was not accorded as high a priority in tropical maize breeding programs as other abiotic stresses such as drought, waterlogging, and low nitrogen in soil. However, in the last 12–15 years, heat stress tolerance has emerged as one of the key traits for CIMMYT’s maize breeding program, especially in the South Asian tropics. The two major factors behind this are increased frequency of weather extremes, including heat waves with prolonged dry period, and increasing demand for growing maize grain year-round.

At CIMMYT, systematic breeding for HT maize was initiated under Heat Stress Tolerant Maize for Asia (HTMA), a project funded by the United States Agency for International Development (USAID) Feed the Future program. The project was launched in 2013 in a public–private alliance mode, in collaboration with public-sector maize research institutions and private seed companies in Bangladesh, Bhutan, India, Nepal, and Pakistan.

The project leveraged the germplasm base and technical expertise of CIMMYT in breeding for abiotic stress tolerance, coupled with the research capacity and expertise of the partners. An array of activities was undertaken, including genetic dissection of traits associated with heat stress tolerance, development of new HT maize germplasm and experimental hybrids, evaluation of the improved hybrids across target populations of environments using a heat stress phenotyping network in South Asia, selection of elite maize hybrids for deployment, and finally scaling via public–private partnerships.

Delivery of HT maize hybrids to smallholder farmers in South Asia

After extensive testing and simultaneous assessment of hybrid seed production and other traits for commercial viability, the selected hybrids were officially released or registered for commercialization. Impact assessment of HT maize hybrid seed was conducted in targeted areas in India and Nepal. Studies showed farmers who adopted the HT varieties experienced significant gains under less-favorable weather conditions compared to farmers who did not.

Under favorable conditions the yield was on par with those of other hybrids. It was also demonstrated that HT hybrids provide guaranteed minimum yield (approx. 1 t ha-1) under hot, dry unfavorable weather conditions. Adoption of new HT hybrids was comparatively high (19.5%) in women-headed households mainly because of the “stay-green” trait that provides green fodder in addition to grain yield, as women in these areas are largely responsible for arranging fodder for their livestock.

“Smallholder farmers who grow maize in stress vulnerable ecologies in the Tarai region of Nepal and Karnataka state in southern India expressed willingness to pay a premium price for HT hybrid seed compared to seed of other available hybrids in their areas,” said Atul Kulkarni, socioeconomist at CIMMYT in India.

Going forward–positioning and promoting the new hybrids are critical

A simulation study suggested that the use of HT varieties could reduce yield loss (relative to current maize varieties) by up to 36% and 93% by 2030 and by 33% and 86% by 2050 under irrigated and rainfed conditions respectively. CIMMYT’s work in South Asia demonstrates that combining high yields and heat-stress tolerance is difficult, but not impossible, if one adopts a systematic and targeted breeding strategy.

The present registration system in many countries does not adequately recognize the relevance of climate-resilience traits and the yield stability of new hybrids. With year-to-year variation in maize productivity due to weather extremes, yield stability is emerging as an important trait. It should become an integral parameter of the registration and release system.

Positioning and promoting new HT maize hybrids in climate-vulnerable agroecologies requires stronger public–private partnerships for increasing awareness, access, and affordability of HT maize seed to smallholder farmers. It is important to educate farming communities in climate-vulnerable regions that compared to normal hybrids the stress-resilient hybrids are superior under unfavorable conditions and at par with or even superior to the best commercial hybrids under favorable conditions.

For farmers to be able to easily access the new promising hybrids, intensive efforts are needed to develop and strengthen local seed production and value chains involving small-and medium-sized enterprises, farmers’ cooperatives, and public-sector seed enterprises. These combined efforts will lead to wider dissemination of climate-resilient crop varieties to smallholder farmers and ensure global food security.

Cream of the crop: Developing the next generation of wheat scientists is key to sustaining wheat production in Pakistan

On July 17-18, 2023, 87 wheat scientists gathered to learn about new approaches and methods for wheat improvement in Faisalabad, Pakistan. CIMMYT and the Wheat Research Institute, Faisalabad (WRI-FSD) jointly organized a two-day training. The course covered two topics: high throughput genotyping technologies and high throughput phenotyping platforms. The trainees, who were able to attend in person or remotely and 27% of whom were women, hailed from 17 NARES partners across Pakistan.

Trainees at Faisalabad, Pakistan. (Photo: CIMMYT)

After being welcomed by the Director General of Ayub Agricultural Research Institute (AARI), Akhtar Ali, and CIMMYT’s Country Representative, TP Tiwari, participants received an update on the status of wheat in Pakistan from Muhammad Sohail, national wheat coordinator for the Pakistan Agricultural Research Council (PARC). Subsequently, WRI-FSD Director, Javed Ahmed, discussed wheat research in Punjab, where over 70% wheat is grown in Pakistan. Kevin Pixley, interim director of CIMMYT’s Global Wheat Program, joined the proceedings remotely for a conversation about CIMMYT’s and CGIAR’s collaboration with NARES. Participants discussed the model’s successes, bottlenecks, the role of NARES, and the potential for capacity development. The conversation generated broad interest and suggestions for enhancing the partnership’s effectiveness. Akhtar Ali, Muhammad Sohail, and Javed Ahmed all spoke very highly about CIMMYT’s support in Pakistan.

This event was organized as part of a collaborative project entitled “Rapid development of climate resilient wheat varieties for South Asia using genomic selection” that is jointly managed by Kansas State University and CIMMYT with funding from the USAID Feed the Future program.

“Training emphasized the need for an output-oriented researcher that covered the development of climate-resilient wheat varieties, given the environmental challenges we are experiencing like, drought and heat, and highlighted the importance of innovative methodologies and advanced tools for high throughput phenotyping and genotyping for sustainable and resilient wheat production in Pakistan” said Muhammad Ishaq, a senior research officer and one of the training participants from Kohat Research Station, Khyber Pakhtunkhwa.

At the conclusion of the training, Javed, direct of WRI Faisalabad, commended CIMMYT’s support and suggested continuing the pace of training. Dr. Tiwari stressed the importance of such efforts will help Pakistan’s scientists develop and deploy climate resilient, impactful wheat varieties to boost wheat production and reduce wheat imports in the country.

Pakistan can be self-sufficient in wheat, says agency

Malnutrition is rampant in Pakistan and the release of bio-fortified wheat varieties with higher zinc content will help the country’s 9 million hectares of cultivated wheat fields become more productive, climate resilient and disease resistant.

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Country moving forward from wheat importer to self-sufficiency

Wheat is critical to millions of households in Pakistan as it serves a dual role as a foundational part of nutritional security and as an important part of the country’s economy. Pakistan’s goal to achieve self-sufficiency in wheat production is more attainable with the release of 31 wheat varieties since 2021.

These new seeds will help the country’s 9 million hectares of cultivated wheat fields become more productive, climate resilient, and disease resistant—a welcome development in a region where climate change scenarios threaten sustained wheat production.

The varieties, a selection of 30 bread wheat and 1 durum wheat, 26 of which developed from wheat germplasm provided by the International Maize and Wheat Improvement Center (CIMMYT) were selected after rigorous testing of international nurseries and field trials by partners across Pakistan. During this period, three bread wheat varieties were also developed from local breeding programs and two varieties (one each of durum and bread wheat) were also developed from the germplasm provided by the ICARDA. These efforts are moving Pakistan closer to its goal of improving food and nutrition security through wheat production, as outlined in the Pakistan Vision 2025 and Vision for Agriculture 2030.

Harvesting wheat in Tandojam, Pakistan (Photo: CIMMYT)

Over multiple years and locations, the new varieties have exhibited a yield potential of 5-20% higher than current popular varieties for their respective regions and also feature excellent grain quality and attainable yields of over seven tons per hectare.

The new crop of varieties exhibit impressive resistance to leaf and yellow rusts, compatibility with wheat-rice and wheat-cotton farming systems, and resilience to stressors such as drought and heat.

Battling malnutrition

Malnutrition is rampant in Pakistan and the release of biofortified wheat varieties with higher zinc content will help mitigate its deleterious effects, especially among children and women. Akbar-2019, a biofortified variety released in 2019, is now cultivated on nearly 3.25 million hectares. Farmers like Akbar-2019 because of its 8-10% higher yields, rust resistance, and consumers report its good chapati (an unleavened flatbread) quality.

“It is gratifying seeing these new varieties resulting from collaborative projects between Pakistani wheat breeding programs and CIMMYT along with funding support from various donors (USAID, Bill & Melinda Gates Foundation, HarvestPlus, and FCDO) and the government of Pakistan,” said Ravi Singh, wheat expert and senior advisor.

Closing the yield gap between research fields and smallholder fields

Releasing a new variety is only the first step in changing the course of Pakistan’s wheat crop. The next step is delivering these new, quality seeds to markets quickly so farmers can realize the benefits as soon as possible.

Increasing evidence suggests the public sector cannot disseminate enough seeds alone; new policies must create an attractive environment for private sector partners and entrepreneurs.

Field monitoring wheat fields (Photo: CIMMYT)

“Pakistan has developed a fast-track seed multiplication program which engages both public and private sectors so the new varieties can be provided to seed companies for multiplication and provided to farmers in the shortest time,” said Javed Ahmad, Wheat Research Institute chief scientist.

Strengthening and diversifying seed production of newly released varieties can be done by decentralizing seed marketing and distribution systems and engaging both public and private sector actors. Marketing and training efforts need to be improved for women, who are mostly responsible for household level seed production and seed care.

A concerted effort to disseminate the improved seed is required, along with implementing conservation agriculture based sustainable intensification, to help Pakistan’s journey to self-sufficiency in wheat production.

An Example of International Cooperation: China and CIMMYT

Awais Rasheed has established a high-throughput KASP molecular breeding platform and made outstanding contributions to promoting China-Pakistan cooperation. He has discovered and validated 90 KASP markers available for wheat breeding, accounting for 60 percent of similar markers internationally, which are widely used in China and 15 other countries.

Read the full story here.

CIMMYT at the AIM for Climate Summit

Sieg Snapp, Tek Sapkota, and partners photographed during AIM for Climate (Photo: CIMMYT)

As climate change threats accelerate, new technologies, products, and approaches are required for smallholder farmers to mitigate and adapt to current and future threats. Targeting smallholder farmers will benefit not only the farmers but the entire agri-food system through enhanced locally relevant knowledge that harnesses handheld sensors and advisories on management options, soil status, weather, and market information.

The Agriculture Innovation Mission for Climate (AIM for Climate / AIM4C) seeks to address climate change and global hunger by uniting participants to significantly increase investment in, and other support for, climate-smart agriculture and food systems innovation over five years (2021–2025).

The International Maize and Wheat Improvement Center (CIMMYT), as a partner of AIM for Climate, organized a breakout session titled “Smart Smallholder Fertilizer Management to Address Food Security, Climate Change, and Planetary Boundaries” during the AIM for Climate Summit in Washington DC, May 8-10, 2023.

Fertilizers are essential for increasing crop yields and ensuring food security, yet fertilizer use for food and fodder is severely skewed at the global level, leading to over-fertilization in some regions and under-fertilization in others.

Farmers in low-income countries are highly vulnerable to fertilizer supply shortages and price spikes, which have direct consequences for food prices and hunger. Improving fertilizer efficiency and integrated organic and inorganic sources is important globally as nutrient loss to the environment from inappropriate input use drives greenhouse gas emissions and pollution.

Innovation Sprint

Because smallholder farmers are the primary managers of land and water, the CIMMYT-led AIM4C Innovation Sprint, Climate-Resilient soil fertility management by smallholders in Africa, Asia, and Latin America is designed to implement and scale-up a range of climate robust nutrient management strategies in 12 countries, and to reach tens of millions of smallholder farmers in close collaboration with nearly 100 public-private partners organizations.

Sieg Snapp called for more investments in data synthesis (Photo: CIMMYT)

Strategies include innovations in extension where digital tools enable farmer-centered private and public advisories to increase the uptake of locally adapted nutrient management practices. Connecting farmers to investors and markets provides financial support for improved nutrient management.

By tailoring validated fertility management practices to their specific conditions, and integrated use of legumes and manure, smallholders will optimize productivity, enhance climate resilience, and mitigate greenhouse gas emissions. Research from other organizations has determined that improved fertilizer management can increase global crop yield by 30% while reducing greenhouse gas emissions.

Right place, right time

“We need locally adapted fertilizer management approaches that work for smallholder farmers. By tailoring validated fertility management practices to their specific conditions, smallholders will optimize productivity, enhance climate resilience, and mitigate greenhouse gas emissions,” said Sieg Snapp, CIMMYT’s Sustainable Agricultural Systems Program Director. She continued, “What is needed now is major investment in data synthesis. Through this SPRINT we are exploring options to enable taking sensors to scale, to reach tens of millions of farmers with hyper-local soils information.”

Inequality is the core of the problem in fertilizer management: some regions apply more than the required amount, where in other regions fertilizer application is insufficient for plant needs, leading to low yields and soil degradation.

Tek Sapkota spoke on fertilizer management (Photo: CIMMYT)

“Fertilizer efficiency can be improved through application of the right amount of fertilizer using the right source employing the right methods of application at the right time of plant demand,” said Tek Sapkota, CIMMYT Senior Scientist, Agricultural System/Climate Change.

The session included presentations by the Foundation for Food & Agriculture Research (FFAR), UN Foundation, Pakistan Agricultural Research Council (PARC), Stockholm International Water Institute (SIWI), USDA, and Alliance of CIAT-Bioversity. Highlights sustainable and climate-smart practices in Pakistan, novel plant genetics for improved nitrogen cycling, and soil water and nutrient management in the Zambezi to tackle food security and climate change challenges.

China, Pakistan launched joint wheat breeding lab

On March 2, the China-Pakistan Joint Wheat Molecular Breeding International Lab (“Joint Lab”) was launched, funded by the Science and Technology Partnership Program, Ministry of Science and Technology of China, with the joint support from China‘s Ministry of Agriculture and Rural Affairs, National Agriculture Research Center of Pakistan and the International Maize and Wheat Improvement Center (CIMMYT).

The joint lab aims to develop new varieties with high yield and resistance to disease, enhancing breeding capacity and wheat production in Pakistan, where wheat is the largest food crop.

Read the original article: China, Pakistan launched joint wheat breeding lab