Research Progress in Genetic of Stigma Exsertion Trait in Rice
During the development of rice,the stigma is an important organ for receiving foreign pollen.The high exposed stigma rate of rice can improve the outcrossing rate of male sterile lines,increasing the yield of seed production,and playing an important role in the utilization of heterosis in rice.This article elaborates on the genetic breeding of stigma exsertion trait in rice from the aspects of genetic effects,QTL mapping,clo-ning,breeding applications,and molecular design breeding,aiming to provide relevant references for breed-ers.
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