介绍高产抗病、适应性广泛的优良玉米新品种———佳昌990的品种来源、选育经过、特性、亲本及世代繁殖、制种要点。辽宁省品种试验结果表明：与对照相比，佳昌990的增产效果明显，增产率为10．2％～24．0％。%In the article, it introduced a new maize variety–Jiachang 990 which has the features of high yield, disease resistance and wide adaptability, expounded its variety origin, breeding story, features, parents, regeneration and production key points. The result shows that Jiachang 990 has the effect of obvious yield increasing compared to the reference, the increasing rate is 10.2%~24.0%.
展开▼
