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调查结果显示,中华鼢鼠在甘肃天水市半干旱山地苹果园的发生为害程度因不同海拔、不同坡向以及不同树龄而不同。以海拔1 200~1 700 m的干旱半山区及半阴坡苹果园发生严重,幼龄树被害株率高。山地苹果园内中华鼢鼠的繁殖为害有春、秋季两个高峰期,以春季最为频繁。11月逐渐减少,12月地面冻结后完全消失。通过试验示范确定了山地苹果园中华鼢鼠的最佳防治适期,并筛选出了较为理想的防治药剂。
The results showed that the damage degree of Chinese zokor in the apple orchard of semi-arid mountainous area in Tianshui, Gansu Province varied with different altitude, different aspect and different ages. In the semi-shady and semi-shady apple orchards, with an altitude of 1 200 ~ 1 700 m, serious occurrence occurred and the rate of young tree damage was high. Mountain apple orchard reproduction of Chinese zokor harm the spring and autumn two peak, the most frequent in spring. Gradually decreased in November, completely disappeared in December after the ground freezing. Through experiment and demonstration, the optimal control period for Chinese zokor in mountain apple orchard was determined, and the better control agent was screened out.