So far, 14 examples of dominant genie male sterility on 10 crop species have been discovered in the world. In crossing sterile plants of non-pollen-type F2 of cultivar wild combination (Ping'ai 58/ Huaye) as female parent with fertile plants F4 of the wild-cultivar combination (Huaye/Ping'ai 58) as male parent, a typical abortive plant was found in the progeny.
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