杨树扦插苗圃地杂草防除试验  

Experiment on Weed Contral of Populus Cutting in Nursery

作　　者：杨卫东[1] 潘启英[1] 

机构地区：[1]黑龙江省林业科学院,哈尔滨150081

出　　处：《林业科技》2014年第3期22-24,共3页Forestry Science & Technology

摘　　要：采用5%精喹禾灵乳油,在苗圃杨树扦插地进行禾本科杂草防除试验,结果表明,该药剂在试验剂量范围内对杨树扦插育苗安全,生长量测定表明无生长抑制现象;对杨树圃地主要禾本科杂草稗草、马唐、牛筋草等防除效果显著,120g ai/hm2剂量、30天平均株防效94.08%,平均鲜重防效95.16%。By using 5% Quizalofop-p-edthyl,the experiment of gramineous weeds contral was done in Populus cutting＇s nursery. The results showed that the herbicide was security for Populus cutting within the limits of testing dose, and the results of measuring grouth showed that its goowthing was not contraled. The effect of weed contral was remarkable to major grass weeds,and the emergence and weight defend average can get 94. 08% and 95. 16% using dose 120 g ai /hm^2and 30 days later.

关 键 词：苗圃 杨树扦插 禾本科杂草 

分 类 号：S792.114[农业科学—林木遗传育种] S723.5[农业科学—林学]