论文部分内容阅读
河南省病原根结线虫种类多,分布广,危害重,特别是在烟草、豆类、蔬菜上寄生更为广泛,给农业生产造成严重损失。因此,亟待查清其分布,鉴定其种类,为防治提供依据。为此,于1985~1987年在全省各处采集35个样本进行了种类鉴定。基本查清了在我省危害较重的病原根结线虫有三种,即南方根结线虫1号小种、花生根结线虫2号小种和北方根结线虫。
There are many kinds of pathogenic root knot nematodes in Henan Province, which are widely distributed and endangered. Especially in tobacco, beans and vegetables, parasitic diseases are more widespread and cause serious losses to agricultural production. Therefore, it is urgent to find out its distribution, identification of its type, to provide the basis for prevention and treatment. To this end, in 1985 to 1987 throughout the province collected 35 samples for species identification. Basically identified in our province more serious pathogenic root knot nematode there are three, namely, the root knot nematode 1 race, peanut root knot nematode 2 and North root knot nematodes.