Breeding and Utilization of High-quality Medium Indica Rice PTGMS Line Gong 887S
Gong 887S,derived from the cross between 1892S and the breeding material of 8-8S/R9311,is a high-quality medium indica rice photo-thermo-sensitive genic male sterile(PTGMS)line developed through pedigree selection for many years.It has the advantages of low critical sterility-inducing temperature,good plant type,high outcrossing rate,excellent grain quality and strong heat tolerance in its F1 hybrids.The hybrid combinations derived from Gong 887S,Gongliangyou Yuenongsimiao and Gongliangyou Jingguizhan,were registered and released to commercial production by the National and Jiangxi Provincial Crop Variety Appraisal Committee in 2021,respectively.
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