Breeding method of high-ripening-rate paddy rice
A seed-setting rate and rice technology, applied in botany equipment and methods, applications, plant genetic improvement, etc., can solve the problems of field reduction and crop failure, and achieve the effects of ensuring food security, comprehensive resistance, and extreme weather resistance
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[0027] In this example, Zhendao 681 (also known as Zhendao No. 18), a new japonica rice line (species) with high quality, high yield and strong disease resistance, was selected in Jurong, a rice variety bred by Zhenjiang Agricultural Science Institute in the hilly area of Jiangsu. Sales in large quantities, or quoted from the Rice Department of Zhenjiang Institute of Agricultural Sciences in the hilly area of Jiangsu) as the female parent, crossed with IRAT118 (resourced by the International Rice Institute of Singapore, high temperature tolerance), and then backcrossed with Zhendao 681; planted 336 in Jurong in the second year In the third year, it was sown in a greenhouse, and after four generations of selection and resistance identification, the bred plants were compact in shape, delicate in growth, good in yield, and high in yield. Strong lodging resistance and good quality (yield increased by about 5% compared with the current main varieties, the general seed setting ra...
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