Method for preparing lifetime genic male-sterile rice and method for cultivating hybrid rice by lifetime genic male-sterile rice
A hybrid rice, nuclear sterile technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., can solve the problems of hybrid seed production failure and unstable fertility, to overcome the instability of fertility and ensure safety. , the effect of expanding utilization
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[0009] Depend on figure 1 It can be seen that the process of the present invention is as follows: First, the photothermosensitive genic male sterile line and the low temperature sensitive genic male sterile line of rice are selfed and propagated to obtain the photothermosensitive genic male sterile line and the low temperature sensitive genic male sterile line. Then use the photothermosensitive genic male sterile line and the low temperature sensitive genic male sterile line to cross to produce lifelong genic sterile rice. The hybrid F1 generation was obtained by crossing the life-long male sterile rice with the conventional rice.
[0010] The rice life-long male sterile rice provided by the invention can be hybridized with any conventional rice, and the hybrid F1 generation is normally fertile.
[0011] The following are tests and results done by the inventor:
[0012] Experiment 1: The rice photothermosensitive genic male sterile line Nongken 58S and the 7001S, Peiai 64S, ...
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