早熟优质水稻新品种合粳23的选育及栽培技术

Breeding and Cultivation Techniques of Early Maturing and High Quality New Rice Variety Hegeng-23

合粳23是黑龙江省农业科学院佳木斯分院水稻育种研究所利用垦系1344作母本、龙粳31作父本进行有性杂交,通过系谱法选育而成的早熟水稻新品种,于2023年通过黑龙江省农作物品种审定委员会审定。合粳23在多年多点鉴定过程中表现出高产、秆强抗倒伏、耐密植、抗病、早熟、活秆成熟等特点,适宜在黑龙江省第四积温带种植。

Hegeng-23 is a new early maturing rice variety bred by the Rice Breeding Research Institute of Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences,using Kenxi-1344 as female parent and Longgeng-31 as male parent through sexual hybridization and pedigree method.It was approved by the Heilongjiang Provincial Crop Variety Approval Committee in 2023.Hegeng-23 has shown characteristics such as high yield,strong stem resistance to lodging,tolerance to dense planting,disease resistance,early maturity,and live stem maturity during multiple years of identification,making it suitable for planting in the fourth temperate zone of Heilongjiang Province.