根瘤线虫 Meloidogrne marioniCornet,又称根结线虫,属无脊椎圆形动物,线虫目。有资料介绍,一般只危害梓、桑、油橄榄以及农作物花生、马铃薯等。据我们调查,对油茶苗的危害也十分严重。迎丰桥公社油茶林场12亩油茶苗圃地,发病率达92.1%,死亡的占4.9%。根部普遍生 Root-knot nematode Meloidogrne marioniCornet, also known as root-knot nematode, is an invertebrate circular, nematode. Information, generally only endanger Azusa, mulberry, olive and crop peanuts, potatoes and so on. According to our investigation, the damage to camellia seedlings is also very serious. Yingfeng Bridge Commune camellia tree farm 12 acres of tea nursery, the incidence rate of 92.1%, 4.9% of deaths. The root of the students