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1987年发现陕西大荔、渭南花生主产区发生根结线虫病。经鉴定由北方根结线虫引起。该病害为植检对象,在我省为首次记录。
In 1987 found in Shaanxi Dali, peanut main Weinan root knot nematodes occurred. Identified by the root-knot nematode caused. The disease is a phytosanitary object, the first record in our province.