Sheng 1618S,derived from the cross between Y58S and P88S,is a photo-thermo-sensitive genic male sterile(PTGMS)line in rice developed through multi-generational pedigree selection by Hunan Hybrid Rice Research Center and China National Center of Technology Innovation for Saline-alkali Tolerant Rice.It passed the technical identification by Anhui Crop Variety Appraisal Committee in 2019.It is characteristic of short and robust plant,strong tillering ability and lodging resistance,good combining ability,excellent grain quality and high yield in multiplication and hybrid seed production.The two-line hybrid rice combination Shengliangyou 358 derived from Sheng 1618S was registered and released for commercial production by Hunan Crop Variety Appraisal Committee in 2022.The issues on the dwarf gene in Sheng 1618S and the selection of male parents for developing heterotic hybrid combinations were discussed.
关键词
杂交水稻/光温敏核不育系/盛1618S/矮秆/优质/选育
Key words
hybrid rice/photo-thermo-sensitive genic male sterile line/Sheng 1618S/dwarf plant/high quality/breeding
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