高产优质多抗双季晚籼稻新品种巨风优441的选育

Breeding of A High-yield,High-quality,Multi-resistance,Double-cropping Late indica Rice Variety Jufengyou 441

介绍了高产优质多抗双季晚籼稻新品种巨风优441的选育过程,分析了该品种的主要特征特性、产量、品质及抗性。区试产量为8 458.5 kg/hm^2,比对照协优92和新优188分别增产6.26%和3.22%,达到极显著水平;生育期与对照相当;米质达部颁3级优质米;中抗稻瘟病,抗稻曲病,抗条纹叶枯病等,茎秆粗壮,穗大粒多,抗倒性强。总结了该品种的高产栽培技术和高产制种技术。

The breeding process of high yield,high quality and multi-resistant double-season late indica rice variety Jufengyou 441 was introduced. The main characteristics,yield,quality and resistance of the variety were analyzed. The trial yield was 8 458.5 kg/hm^2,which was 6.26% and 3.22% higher than that of the control Xieyou 92 and Xinyou 188,respectively, reaching a very significant level;the growth period was almost the same to the control;the rice quality was awarded 3 grade high quality rice;has moderate resistance to rice blast,resistance to rice false smut,resistance to stripe leaf blight,etc.,the stems are thick,the ears are large and with more grains,and the lodging resistance is strong. The high-yield cultivation techniques and high-yield seed production techniques of this variety were summarized.