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评价一个玉米品种的优劣,不能只看穗的大小和株形是否好看。在当前农业部提出的“耐密高产易机收”的玉米培育项目中,郑单958和先玉335两个品种的综合性状成为玉米育种的目标。因而评价一个玉米品种的丰产、高产的优劣,主要还是要看它的综合表现。一、根系根系发达,抗倒效果好,根系吸收功能强、功能期长,是获得丰产的基础。目前河南省在审定玉米品种的试验中,将抗倒性列为重要考核项目,因为抗倒性是决定玉米丰产的最为重要的因素。
Evaluation of the pros and cons of a corn variety, you can not just look at the size and shape of the panicle is good-looking. At present, the Ministry of Agriculture proposed “high density and high yield easy machine income” corn breeding project, Zhengdan 958 and Xian Yu 335 two varieties of comprehensive traits become the goal of maize breeding. Therefore, the evaluation of a corn variety of high yield, high yield of the merits, mainly depends on its comprehensive performance. First, the roots of the developed root system, anti-down effect, strong root absorption, long functional period, is to obtain the basis for high yield. At present, Henan Province, in the trial of corn varieties tested, the lodging as an important item of evaluation, because lodging is the most important factor in determining the yield of corn.