棉花喷施“九二○”和“九二○”加“七○二”試驗简报

• 机 构: 黄岡分院农用微生物厂,
• 出 处: 华农科技
• 发表日期: 1972年01期
• 关键词: 九二○ 拔杆 始花 喷施 油菜 试验设置 简报 籽指 照单 混合液

一、试验设置三个处理,二次重复,对比排列,小区面积为0.027亩。供试品种为4101,于5月13日油菜收割后播种,6月下旬开始现蕾,7月中旬始花,9月9日第一次收花,11月上旬拔杆。三个处理为:对照单喷“九二○”:7月29日,8月6日,8月16日,8月22日各喷一次,浓度为20PPm。“九二○”和“七○二”混喷:同上日期各喷20ppm“九二○”+20PPm“七○二”混合液一次。

First, the experimental set of three treatment, the second repeat, contrast arrangement, the plot area of ​​0.027 acres. The test varieties for the 4101, May 13 rapeseed sowing, in late June began to squash, flowers began in mid-July, September 9 for the first time to close the flower, pull in early November. The three treatments are: Control single spray “nine two ○”: July 29, August 6, August 16, August 22 spray once, the concentration of 20PPm. “920” and “702” mixed spray: Same as the above date spray each 20ppm “920” +20 PPm “702” mixture once.