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中科6号异育银鲫
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【人民日报】专攻农业痛点,种子“精准设计”
Ren Min Ri Bao· 2026-01-12 04:56
Core Insights - The Chinese Academy of Sciences has released significant research outcomes from the A-class pilot project "Precision Design and Creation of Seeds," achieving systematic breakthroughs across theory, technology, and products over six years [1] - The project has developed 37 leading varieties focused on increasing yield and quality while reducing input and losses, promoting 14.48 million acres of new crop varieties, thus providing technological support for revitalizing the seed industry in China [1] Group 1 - The research team has cloned key genes that allow rice to maintain stable yields while reducing nitrogen fertilizer by 20%-30%, addressing the issue of excessive fertilizer use [2] - The team has identified a broad-spectrum resistance gene, Pm24, from local wheat varieties to combat diseases like powdery mildew and has developed high-yielding wheat varieties such as "Zhongke 166," significantly reducing pesticide usage with nearly 1.5 million acres promoted [2] - The project has successfully created new tetraploid rice materials by overcoming challenges in genetic transformation and genome annotation, opening new pathways for breeding [2] Group 2 - The research team has developed high-yield, high-nutrition soybean varieties, including the "Kedou" and "Dongsheng" series, to address China's high soybean import dependency and low productivity [3] - In aquaculture, the concept of "double triploid" has been introduced, leading to the development of a candidate new strain of silver crucian carp, "Zhongke 6," which shows significant improvements in growth rate, survival rate, and feed efficiency [3] - The "Zhongke Fa" series of rice has become a star variety, with "Zhongke Fa 5" yielding over 20% more than local premium varieties in Northeast rice areas, and "Zhongke Fa Early Jing 1" achieving a breakthrough in early-season japonica rice varieties [3] Group 3 - The traditional breeding cycle has been reduced from 8-10 years to a more predictable, programmable, and customizable process, thanks to the advancements made under the pilot project initiated in November 2019 [4] - The project focuses on major crops like rice and wheat, as well as aquatic animals, aiming for a target of increasing yield by 10%-20%, reducing input by 15%-20%, and minimizing losses by 15%-20% through the creation of precision-designed varieties [4]
科学与健康|实现精准设计!科研新范式打造种业“中国芯”
Xin Hua She· 2025-12-22 12:38
Core Insights - The article highlights the significant breakthroughs achieved in China's seed industry through the "Seed Precision Design and Creation" project, which has been ongoing for six years and aims to enhance food security and agricultural modernization [2][3]. Group 1: Achievements of the Seed Project - The project has achieved a comprehensive breakthrough in precision breeding, covering theory, technology, and products, leading to a 10% to 20% increase in yield, a 15% to 20% reduction in input, and a 15% to 20% reduction in losses for various plant and animal varieties [3]. - The "Zhongke Fa" series of rice, developed for specific regions, has shown over a 20% yield increase compared to local varieties, with "Zhongke Fa 5" achieving over 600 kg per mu in saline-alkali land [3]. - A total of 37 leading varieties have been created under the "one increase, two reductions" model, with 14.48 million mu of new crop varieties promoted, demonstrating significant socio-economic benefits [3]. Group 2: Addressing Challenges in Food Security - The project has developed advanced multi-gene editing technologies that allow for the creation of high-yield, disease-resistant wheat varieties, marking a significant achievement in crop genetic editing [4]. - A comprehensive pan-genome map for soybeans has been created, leading to the development of ten new high-yield, high-nutrition soybean varieties to address the challenges of high import volumes and low domestic production [4]. - The project has also pioneered a new method for rapid domestication of wild rice, providing strategic technological reserves for global food security [4]. Group 3: Innovations in Agricultural Practices - The project has transformed breeding from a lengthy, unpredictable process into a precise, programmable, and customizable research endeavor, addressing key agricultural issues such as excessive fertilizer use and pest outbreaks [6]. - The "Zhongke 166" high-yield wheat variety has been developed to maintain stable yields with a 20% to 30% reduction in nitrogen fertilizer, significantly reducing pesticide usage [6]. - The "Zhongke 6" candidate variety of silver crucian carp has shown a 25% increase in growth rate and a 66.5% increase in survival rate compared to its predecessor, demonstrating advancements in aquaculture [6].
我国科研团队培育出“无肌间刺”银鲫
Xin Hua She· 2025-12-22 06:29
Core Insights - The Chinese Academy of Sciences has developed a breeding technology system that creates a new candidate variety of silver crucian carp with high yield, disease resistance, and feed efficiency, while also eliminating intermuscular bones [1][2] - The new variety, referred to as "Zhongke No. 6," shows significant improvements in growth rate, survival rate in aquaculture, and feed utilization [1] - This innovation is part of a six-year project aimed at advancing agricultural breeding from traditional methods to a more predictable and programmable "precision design" era [1] Technology and Innovation - The research team utilized "molecular scissors" to edit the genetic code that controls the growth of intermuscular bones, significantly reducing their presence in the fish [1] - The breeding system also ensures that the new silver crucian carp is sterile, preventing it from reproducing in natural environments, thus addressing ecological safety concerns [1] Agricultural Impact - The advancements in breeding technology are expected to enhance food security and agricultural modernization in China, providing a more efficient way to produce high-quality protein with fewer resources [1][2] - The project is part of a broader initiative to create a strong "Chinese core" for national food security [2]