Subjects: Other Disciplines >> Synthetic discipline submitted time 2023-03-28 Cooperative journals: 《中国科学院院刊》
Abstract： Not only the grain rations must be secured absolutely in China, but also the feed grains. However, the limited arable land resource in China determines that grass planting shall not “compete for land with staple food”. Planting high quality salt-tolerant forage grass on the saline wasteland and developing animal husbandry production can not only meet the demand of increasing proportion of animal protein in Chinese diet structure, but more importantly, it can help to solve the problems of insufficient forage planting and import over-dependence. Hence it plays an important role in guaranteeing national food security. Therefore, it is necessary to use modern biological seed industry technology to accelerate the selection and breeding of salt-tolerant and water-resistant grass varieties, build the supporting system of coastal salt-alkali grass high-yield cultivation technology, and develop high-quality forage and crop straw mixed processing and storage technology to achieve the maximum utilization of biomass resources. The construction of “Coastal Grass Belt” will help to build an ecological barrier in the coastal area, and play an important role in keeping the coastal ecosystem healthy and improving the ecosystem service function.
Subjects: Other Disciplines >> Synthetic discipline submitted time 2023-03-19 Cooperative journals: 《中国科学院院刊》
Abstract： Maize is one of the most important food crops and plays a decisive role in the people's livelihood and national economy in China. Its sustained and stable production is of great strategic significance for ensuring food security and supply-side structural reform. Although traditional hybrid breeding technology has made a great contribution to increasing maize production, it can no longer satisfy the demand for a better life of current society. With the rapid development of modern biotechnology, molecular breeding has become an important direction and an inevitable choice for maize breeding, and the molecular module-based crop design technology, by combining multiple disciplines to achieve multi-module optimization and assembly at the whole genome level, will greatly promote maize breeding in China. Here, we provide an overview on the development of maize breeding technology and the significant achievements of molecular module-based technology in maize breeding recently. Finally, directions for maize breeding in future are also discussed.
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