摘要
本文为1989~1992年在延边地区四年的试验、示范研究结果。延边地区田杂草有34种,其中以稗草、狗尾草、鸭跖草、苍耳、灰菜等12种为常见种类。烟田药剂除草效果,广灭灵最好,为94.1%。都尔、草萘胺、地乐胺、灭草猛次之,为82.3~90.5%。施用药剂除草的烟田烟叶上等烟比重比对照高10~13.47%,产值高8.6~19.4%,尤以广灭灵明显。两年施用广灭灵烟田除草33.3公顷生产示范结果,其除草效果也在85.1~90.8%,可以大面积推广。
There are 34 kinds weeds in tobacco field in Yanbian district, but 12 kinds of them, which are panic grass, green foxtail, common dayflower and siberian cocklebur, etc, are common. The weed result of Clomazone is the best (94.1%). The results of Napropamid, Amchem and Veynolate are next to that of Clomazone. They are 82.3~90.5%. The rate of quality strip leaf in tobacco field using weed killer is higher than check one by 10~13.47%. The output value is higher by 8.6~19.4%. In last two years, 33.3 hectares tobacco field have been tested and the weed result of Clomazone was 85.1~90.8%.