Molecular marker closely linked to rice large-grain gene gs2 and its application
A molecular marker, rice technology, applied in the field of agricultural biology, can solve problems such as genetic distance not reached
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[0102] Example 1 Acquisition and Application of Molecular Markers Tightly Linked to Rice Large Grain Gene GS2
[0103] (1) Positioning population and phenotypic identification
[0104] During the 2011-2012 Hainan Southern breeding period, in the breeding materials [F 6 , R1126 (the length of the rice grain is close to 10mm) / Chuan Dali (the length of the rice grain is about 13mm, provided by the Institute of Rice and Sorghum, Sichuan Academy of Agricultural Sciences), from F 2 It was found that the agronomic traits of some lines were basically stable except for the segregation of grain shape. Genetic analysis showed that the grain shape showed the characteristics of single-gene segregation. Through the investigation of two seasons in Hainan and one season in Changsha, it was found that the material The segregation of grain shape conformed to the characteristics of single gene segregation, and the difference of grain shape was obvious, and the large grain showed incomplete domi...
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