Gansu He xi corn seed production area is the country's largest production base, annual corn seed production area of more than 1.2 million hm2, accounting for the national corn with 60% of the volume, ensure the seed quality and safety of national food security has important strategic significance. High vigor seed has the advantage of high growth and productive potential. It is the basis of high yield. It is very important to improve the quality of seed. But the research on seed vigor of maize is still inade...
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