论文部分内容阅读
为了探讨玉米杂交种纯度对产量影响的程度,监测我区生产供应的玉米杂交种纯度,保证玉米工程计划的顺利实施,1995年春季对我区生产供应的几个主要玉米杂交种进行了田间纯度种植鉴定。1 材料和方法对我区生产供应的中单2号、丹玉13号和掖单13号分别抽样混合均匀后各随机数1200粒,分为3组,每个品种3次重复,3个品种共设9个小区,随机区组排列。小区面积0.04亩,每个小区种200
In order to explore the degree of impact of corn hybrid purity on yield, to monitor the purity of maize hybrids production and supply in our region, to ensure the smooth implementation of corn project, the spring of 1995 to my area of production and supply of several major maize hybrids field purity Planting identification. MATERIALS AND METHODS One hundred and twenty-two random samples of Zhongdan 2, Danyu 13 and Yedan 13 in our district were collected and divided into 3 groups with 3 replications for each variety and 3 varieties A total of 9 district, random block arrangement. Residential area of 0.04 acres, each district 200 kinds