Method for preparing cytoplasmic male sterile hybrid varieties for improving rapeseed planting purity
A technology of male sterility and preparation method, which is applied in the direction of botany equipment and methods, plant gene improvement, application, etc., can solve the problems of reduced yield, insufficient realization of heterosis, and reduced purity of hybrid varieties, so as to ensure high and stable yield, Early performance, the effect of improving purity
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[0025] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] The invention uses the recessive new leaf yellowing trait as a marker trait for distinguishing mixed female parent selfing plants in rapeseed cytoplasmic male sterile hybrid varieties.
[0027] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] Such as figure 1 As shown, the method for preparing a cytoplasmic male sterile hybrid variety that improves the purity of rapeseed planting provided by the embodiments of the present invention includes:
[0029] S101: Acquisition of a recessive new leaf yellowing mutant in rapeseed;
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