Breeding method of distant hybridization rice
A technology of distant hybridization and rice, applied in the fields of rice cultivation, horticultural methods, botanical equipment and methods, etc., to achieve the effects of reduced requirements and conditions, enhanced resistance, and reduced seed production costs
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[0045] The breeding method of distant hybrid rice provided by the embodiment of the present invention adopts Cambodian rice and Xiangwanxian No. 7 to cross to obtain the female parent line material, and then uses the female parent line material to cross-cross with weak alkali rice to produce seeds, and then the produced seeds are obtained The distant hybridization core seed obtains the distant hybridization rice by one-line breeding, and this breeding method comprises:
[0046] In mid-to-late September, select Cambodian rice and destamate at 10°C to obtain sterile lines;
[0047] Spray 10% brown sugar water on the leaves and stems of Cambodian paddy rice after emasculation;
[0048] Before Xiangwanxian No. 7 rice headed and flowered, Cambodian rice that had been sprayed with brown sugar water was inserted around Xiangwanxian No. 7 rice, and the ear height of Cambodian rice was kept 15cm higher than that of Xiangwanxian No. 7 rice;
[0049] Spray 10% brown sugar water on the l...
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