Method for breeding thermo-photoperiod sensitive dual-purpose genic male sterile Guangxuan S
A nuclear sterile line, dual-use technology, applied in the agricultural field, can solve problems such as low yield
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[0031] A method for breeding a light-temperature-sensitive dual-purpose GMS line Guangxuan S, comprising the following steps:
[0032] (1) Guangzhan 63S was used as the female parent, and Guanghui 7849 was used as the male parent;
[0033] (2) Hybrid F1 was obtained by hybridization in Sanya, Hainan, and a small amount of F1 species was mixed;
[0034] (3) Plant F2 in Guangde, Anhui to select 12 sterile plants with low neck wrapping, typical abortion, and perform self-fertilization in mid-to-late August for regeneration and shading, and select individual plants with better fertility recovery , obtained F3 seeds, and planted 12 rows of F3 generations in Sanya, Hainan in the winter of that year;
[0035] (4) Select 8 lines with good agronomic properties, straight flag leaves, and dimples; carry out agronomic properties, observe the fertility of the sterile lines, and select the agronomic status, relatively consistent uniformity, excellent sterility stability and flowering The ...
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