Breeding and seed production technology of indica-japonica hybrid rice Chunyou 86
Chunyou 86 is a new hybrid rice variety bred with indica-japonica subspecies composed of the early maturing late japonica sterile line Chunjiang 88A and the indica-japonica intermediate broad-affinity restorer line T6 by the China Rice Research Institute and Zhejiang Kecheng Seed Industry Co.,Ltd.,which has the characteristics of moderate plant height,high yield and stable yield,and wide adaptability,and was approved by the National Crop Variety Examination and Approval Committee of the Ministry of Agriculture and Rural Affairs in November 2023(Approval Number:National Examination Rice 20233243),and is suitable for use in the light incidence areas of rice blast disease in the japonica rice areas in Zhejiang Province,Shanghai,southern Jiangsu Province,along the Yangtze River of Anhui Province and Hubei Province as single-season late rice.In this paper,the breeding process,yield performance,characteristics,cultivation technology points and seed production technology of Chunyou 86 were introduced,which provided theoretical basis and technical support for subsequent promotion.
indica-japonica hybrid riceChunyou 86variety breedingseed production technology
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