Key points of agronomic traits and cultivation technology of indica-japonica hybrid rice variety Chunyou 87
Chunyou 87 is a japonica three-line hybrid rice variety selected and bred by the China Rice Research Institute,which was approved by the National Crop Variety Examination and Approval Committee in 2021(National Rice 20210374),and is suitable for single-season late rice planting in the rice blast light areas of japonica rice areas in Zhejiang Province,Shanghai,southern Jiangsu Province,Anhui Province and Hubei Province.From 2022 to 2023,Yongkang City introduced Chunyou 87 which was characterized by neat and consistent growth,green stalks and yellow maturity in the later stage,with the advantages of good color change,strong lodging resistance,good yield,and excellent rice quality.In this paper,the demonstration planting performance and agronomic traits were summarized,and the key points of high-yield cultivation technology from seed treatment,timely sowing,reasonable dense planting,scientific fertilization,water slurry management,weed,disease and pest control were introduced,so as to provide a reference for the promotion of planting in Yongkang area.
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