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花生根结线虫病在我县发生普遍,常造成严重损失。1984年黄略等18个区普查,每区都有发生,全县调查发病面积共12182.8亩,占调查面积的49.3％。一般田病株率为20—50％,严重的达94％,无水灌溉的旱坡地发病较重,严重影响产量。例如1982年,调查了黄略区文车乡春花生面积820亩,大多数是早坡地,发病面积732亩,占总面积的89.3％。1983年全乡800亩病田平均亩产只有110斤,严重田块只有40斤。一般每亩损失花生60斤,严重的100斤。我县每年花生种
Peanut root knot nematode disease is common in our county, often causing serious losses. Eighteen districts such as Yellow Census in 1984 census occurred in each district, the county investigated a total area of 12182.8 acres, accounting for 49.3% of the survey area. The average rate of field strains of 20-50%, a serious 94%, dry irrigation of water-less incidence of severe, seriously affecting the yield. For example, in 1982, a survey was conducted on 820 acres of spring peanuts in Wenliu Township, Huangpu District, most of which are in early slope areas with an area of 732 mu, accounting for 89.3% of the total area. In 1983 the township, 800 acres of disease average yield per mu only 110 pounds, only 40 pounds serious field. General loss of peanut 60 acres per mu, 100 pounds of serious. My county peanut species every year