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Super corn research breakthrough new varieties over 900 kilograms per mu
It was learned from the Beijing Academy of Agriculture and Forestry that agricultural researchers in China have selected new varieties of corn that are close to “super corn†in all aspects. Experts in the industry believe that the research and promotion of “super corn†is of great significance in the context of continuous reduction of arable land and increasing demand for corn. The so-called "super corn" is the image of agricultural experts on high-yield and high-quality new maize varieties. Its primary indicator is "super high yield", that is, 1000 kilograms per mu or more than 20% of the main cultivars in the same growing period. According to Zhao Jiuran, director of the Maize Research Center of the Beijing Academy of Agriculture and Forestry Sciences, in 2004, the center screened and identified four combinations of more than 900 kilograms per mu from tens of thousands of hybrid corn combinations. Not only the output index was 1,000 kilograms from Super Corn. The requirements for kilograms are very close, and other major indicators such as quality, resistance, seed production, etc. are also close to “super cornâ€. According to reports, corn is China's second-largest crop, but its average yield per mu is less than 400 kilograms, and its high-yielding fields are only about 800 kilograms, and it is not stable. "Super corn" can produce about 150 kilograms more per mu than the current main cultivars. According to the "Super Corn Germplasm Innovation and Construction of China's Mammal Standard DNA Fingerprint Library Project" launched in Beijing earlier this year, in the future, China will use extensively collected and utilized superior germplasm resources at home and abroad for germplasm amplification and innovation to further coordinate , Screen out the real "super corn" varieties.