论文部分内容阅读
运黑八系我所棉花早熟育种组为适应晋南棉区麦棉两热耕作改制的需要,继运辐八八五选育之后,采用品种间杂交法,以黑山棉一号为母本和运辐八八五杂交,再经过单株(系)连续选育获得的又一个特早熟优系。一、产量与品质据1977—1978年参加麦后复播连作品比试验结果,平均亩产籽棉222.8—227.5斤,亩产皮棉74.6—76.2斤,分别较对照黑山棉一号原种籽棉增产13.6—
In order to adapt to the needs of wheat-cotton two-tillage system transformation in Jinnan cotton area, the cotton eight-year-old breeding team of our institute chose the Hetian cotton one as the female parent Yun eight hundred eighty-five hybrid, and then through the plant (line) continuous breeding obtained another special precocious system. I. Yield and Quality According to the results of 1977-1978 experiment after replanting with wheat, the average yield of seed cotton was 222.8-227.5 kg and the yield of lint cotton was 74.6-76.2 kg, which was respectively 13.6% more than that of the control seed of Heishan Cotton One -