The Chinese University of Hong Kong (CUHK) team worked with the Mainland to identify and reproduce salt-tolerant genes through the genetic map of wild soybeans. The research results of the joint efforts of three generations of scientists from both sides will help cultivate soybeans to adapt to the conditions of poor land such as salinization, increase the yield of high-quality salt-tolerant soybeans, and contribute to China and global agriculture.
Professor Lin Hanming, director of the Soybean Research Center and professor of the School of Life Sciences, introduced on the 22nd that the research team led by him collaborated with the BGI Institute and the Chinese Academy of Agricultural Sciences. It took more than 10 years and successfully passed the research. Gene mapping of wild soybeans, discovery and replication of salt-tolerant genes, and functional testing. The research results have just been published in the famous scientific journal Nature Communications.
“Because more than 20% of the world's irrigated land is being affected by salinization, and the population is increasing, if we can cultivate high-tolerance soybeans and adapt to marginal and barren lands, we can promote sustainable agricultural development.†Lin Hanming said that soybean, as an important economic crop originating in China, ranks third in the international crop trading market, but now China is the world's largest soybean importer, and about 70% of soybeans come from abroad.
“This breakthrough discovery can greatly improve the efficiency of growing salt-tolerant soybeans.†Lin Hanming said, “We are now working with soybean planters in the Mainland to use the hybrid method of wild soybeans and agricultural soybeans. We hope that during the six-generation planting period, To cultivate salt-tolerant soybean suitable for planting in saline-alkali land in China. At the same time, Lin Hanming's team will continue to conduct experiments in the northwestern arid regions of the Mainland. It is hoped that the drought-tolerant genes of wild soybeans can be replicated to achieve the cultivation of salt-tolerant super soybeans. aims.
Lin Hanming also revealed that he met the Shao Guihua Researcher of the Chinese Academy of Agricultural Sciences in 1998 and took over her unfinished research on the salt tolerance mechanism of soybeans. With the unrestricted teaching of mainland scientists and the complementary expertise of the two places, the research is progressing rapidly. Lin Hanming said: "This is the result of the joint efforts of three generations of scientists in the two places. We will not apply for patents and hope to benefit more people."
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