福建桃产区根结线虫发生情况调查及结果分析

Investigation and Analysis of the Occurrence of Root Knot Nematodes in Peach Producing Areas of Fujian Province

以福建省内主要桃产区为调查范围,对福安、古田、建瓯等地的桃园进行了桃树根结线虫的发生情况调查,调查发现:福安市穆阳镇桃园的根结线虫发生最为严重,发病率为100%,根结指数为100%;古田县桃园次之,发病率为40%,根结指数为16%和24%;闽侯县的桃园发病率30%,根结指数为24%;建瓯市、建阳区桃园基本没有发病,综合其他的调查内容分析表明,根结线虫在福建省桃产区发生较为普遍,但目前为害症状不是特别明显,但需要引起重视。

Occurrence situation of root knot nematodes in peach orchards of Fu’an,Gutian,and Jian’ou,Fujian Provinc,etc.was investigated.The results showed that there was most serious damage of root knot nematodes in peach orchards of Muyang Town,Fu’an City,showing 100%of occurrence rate and 100%of root knot index.The second most serious was in Gutian Coutny,showing 40%of occurrence rate and 16%and 24%of root knot index.The third serious was in Minhou County,showing 30%of occurrence rate and 24%of root knot index.No root knot nematodes were found in Jian’ou and Jianyang City.Combined with other investigations,it showed that root knot nematodes frequently occurred in peach producing areas of Fujian Province.No significant damage of root knot nematodes was found,but it should not be neglected.