高产抗病优质专用早籼稻金早645的选育与应用

Breeding and application of early rice variety Jinzao 645 with high yield,disease resistance,good quality and special purpose

金早645是金华市农业科学研究院和金华三才种业公司以金早09与Z73-34杂交,系谱选育而成的高产、抗病、优质、专用常规早籼稻,2021年通过浙江省主要农作物品种审定委员会审定,2023年通过江西省农业农村厅引种备案并获植物新品种权授权,2024年被列入浙江省主导品种。该品种在2019—2023年浙江省、江西省水稻新品种区域试验和示范种植中表现出群体整齐、分蘖力强、抗稻瘟病、抗倒性强、丰产性、稳产性、适应性较好等特点,具有较高的推广应用价值。

Jinzao 645 is a high-yield,disease-resistant,good-quality and specialized conventional early indica rice variety,which was bred through the systematical selection of the cross of Jinzao 09 and Z73-34,and was bred by Jinhua Academy of Agricultural Sciences and Jinhua Sancai Seeds Company.It was approved by the Crop Variety Approval Committee of Zhejiang Province in 2021,and was recorded for introduction by the Department of Agriculture and Rurral Affairs of Jiangxi Province and was authorized as a new plant variety in 2023,and was listed as the leading variety of Zhejiang Province in 2024.Jinzao 645 showed the characteristics of tidy group,high tillering ability,resistance to rice blast,high lodging resistance,high yield,stable yield,and good adaptability when participated in the new variety regional test and demonstration planting in Zhejiang Province and Jiangxi Province from 2019 to 2023,and has high value of popularization and application.