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库尔勒市香梨栽培面积2.78万hm2,挂果面积1.54万hm2。2010-2011年,由于气候等多种因素的影响,梨小食心虫在库尔勒市果园再度爆发。在库尔勒市12个香梨种植区均有不同程度的危害。库尔勒市中环乡部分果园香梨平均蛀果率达到6%～10%,发生严重的果园,平均蛀果率达到20%～31%。而作为授粉树的砀山梨的蛀果率达到60%～72%,严重的果园蛀果率达到100%。库尔勒市远郊乡梨小食心虫的平均蛀果率达到5%～7%。据初步调查,梨小食心虫1年发生3～4代,世代重叠严重。为寻找较好的防治措施,2011年在阿
Korla fragrant pear cultivation area of 27800 hm2, fruiting fruit area of 15400 hm2.2010-2011, due to climate and other factors, Pear Mung Beetle in Korla City orchard again outbreak. In Korla 12 pear cultivation areas have varying degrees of harm. In the Central Township of Korla, the average fruit borer percentage of pear orchards reached 6% -10%. In the serious orchards, the average bore fruit percentage reached 20% -31%. As a pollinated tree drupe pear fruit rate of 60% to 72%, serious orchard fruit rate of 100%. The average fruit borer rate of Pear Mungbean in the rural suburbs of Korla reached 5% -7%. According to a preliminary investigation, pears mung bean worm occurs 1 to 4 years generation, generation overlap serious. In order to find a better prevention and control measures, in 2011 in Afghanistan