摘要
根结线虫病是西南地区烟草重要病害之一,发生危害与植烟土壤中线虫含量,土壤湿度密切相关,利用生防菌剂灭线灵防治烟草根结线虫病,重病区每株施用量2.5 g,轻病区1.5～2 g,施用方法以移栽前拌营养土塘施为优,防效在61 %左右.
The root knot nematode diseases is one of the most important tobacco diseases in southwestern China. Its occurrence and infestation closely related with the nematode number in tobacco soil and the soil moisture. The paper reparted the effect of using ＇Miexianling＇ to control tobacco root knot nematode diseases, results showed that,when ＇Miexianling＇ was used at 2.5 g per plant and 1.5 to 2.0 g for heaW infested and middle-level infested field, respectively, the controlling effect could be up to 61%. The best way for application is mixed with nutrition soil before transplanting.
出处
《西南农业学报》
CSCD
2005年第6期782-785,共4页
Southwest China Journal of Agricultural Sciences
关键词
烟草
根结线虫
灭线灵
防治方法
tobacco
root knot nematode
Miexianling
biocontrol
