【摘 要】
：
用杀雄剂一号对甘兰型油菜孤雌自交系作杀雄制种的药理指标和用药技术试验.结果表明:敏感期是花粉发育的第二收缩期,当该期花蕾出现时为用药适期;各用药处理中以三次用药,浓
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用杀雄剂一号对甘兰型油菜孤雌自交系作杀雄制种的药理指标和用药技术试验.结果表明:敏感期是花粉发育的第二收缩期,当该期花蕾出现时为用药适期;各用药处理中以三次用药,浓度为150p.p.m的较好,杂种率约达80％,产量在140斤左右.本文提出了作物敏感阶段的概念,并认为它和药物适宜浓度的有效期是决定用药次数的主要因素.同时引进了量效分析法,并提出最适浓度和选择性概率改进该法.分析表明杀雄剂一号应用于油菜的选择性较差.
The experiment was conducted on the pharmacological index and the technique of using Kao-Xiong-1 on the partheno-inbred line of Brassica campestris L. The results showed that the sensitive period was the second systolic period of pollen development, The medication is appropriate; the drug treatment in the three doses, the concentration of 150p.pm is better, the hybrid rate of about 80%, the yield of about 140 pounds.In this paper, the concept of crop sensitive stage, and that it and drug appropriate concentration The validity period is the main factor to determine the number of medication.At the same time, the introduction of quantitative analysis method, and put forward the optimal concentration and selectivity of the probability to improve the method.Analysis showed that the killing of maleicides on rapeseed less selective.
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