摘要
3 年的试验结果表明,防治番茄病毒病效果较好的药剂依次为:病毒A,N14 + S52 ,PV- 86 -1 ,抗毒剂1 号,平均防效为58 .09 % ~71 .70 % ,防病增产幅度为11 .16 % ~29 .48 % ;综合防治平均防效达70 .3 % ,投入产出比为1∶16 .4 。
After three years' experiment, some agents with effect of 58.09%~71.70% on tomato virus diseases was selected. The agent can increase yield by 11.16% ~29.48%, the average comprehensive controlling efficiency is 70.3%. The ratio of input to output is 1∶1.64. It has very good economical benefits.
出处
《山西农业科学》
1999年第4期76-78,共3页
Journal of Shanxi Agricultural Sciences
关键词
番茄病毒病
药剂筛选
防治效果
Tomato virus diseases
Agent selection
Controlling effect