Breeding method of high-yield early-matured soft rice
A soft rice, early-maturing technology, applied in the field of plant cultivation, can solve the problems of intolerance to fertilizer and low yield, and achieve the effects of delicate growth, strong comprehensive resistance and high yield.
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[0030] In this example, the female parent Rou Komachi is a rice variety imported from my country, which is available in the market, and the male parent Wuyunjing No. 27 is a rice variety bred by Jiangsu Wujin Rice Research Institute, which is available in the market, and will not be described in detail below.
[0031] Such as figure 1 Shown, present embodiment breeds by following steps:
[0032] Step 1. In the first season (the end of August) in Jurong, 72 F0 seeds were obtained by crossing Rouxiaoting (full growth period 157 days) as the female parent and Wuyunjing 27 (full growth period 146 days) as the male parent. ;
[0033] Step 2. Sow F0 seeds in Hainan in the spring of the second year, plant 16 plants, remove the individual plants with the same growth as the female parent after maturity, and obtain F1 seeds;
[0034] Step 3: Grind the F1 seeds into brown rice, select 4,000 F1 seeds with the appearance quality of soft rice, transplant and plant 1,000 plants after sowin...
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