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为探索“九二○”施用对父母本农艺性状和制种产量的相关性,特进行了如下试验。一、材料与设计1.参试品种选用珍汕97A、V20A和协青早A(以下简称汕A、威A、协A)三个不育系,测64—7恢复系,分别配制汕优64、威优64和协优64三组合杂交种。2.试验设计小区面积0.04亩,重复三次,随机排列,不同处理定点观察父母本各6株,父本分三期于6月11、16、22日播种。母本播期汕A为6月23日,威A6月25日,协A6月26日,栽插行比为2:10,三组合父母本花期基本相遇。
To explore the “920” application of parents agronomic traits and seed production correlation, the following special test. I. Materials and Design 1. The test varieties were selected three sterile lines of Zhenshan 97A, V20A and Xieqingzao A (hereinafter referred to as Shantou A, Wei A and Xie A) to measure 64-7 restorer lines, and formulated Shanyou 64, Weiyou 64 and Xieyou 64 were three hybrids. 2. Experimental design The plot area of 0.04 mu, repeated three times, randomly arranged, the different treatment of fixed-point observation of the parents of the 6, the male parent in three phases on June 11, 16, 22 sowing. Maternal sowing Shantou A June 23, Wei A June 25, Association A June 26, planting line ratio of 2:10, the basic combination of the three combinations of the parental flowering.