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茶毛虫是危害我省茶树的主要害虫之一,每年发生2—3代。发生季节正值春、秋采茶旺季,不仅影响当年茶叶产量,大发生后的茶园一般要3—5年才能恢复生产。由于长期采用化学农药防治,茶毛虫抗药性逐渐增强,生产上也就不断增加用药量,这不仅增加了成本,而更为严重的是化学农药的残毒会影响茶叶品质,有碍人民的健康和茶叶出口。
Tea caterpillar is one of the main pests that endanger tea plantation in our province and occurs 2-3 generations annually. Occurred in the season positive spring and autumn picking tea season, not only affect the current year’s tea production, the tea plantation usually takes 3-5 years to resume production. Due to the long-term use of chemical pesticides, the resistance of tea caterpillars is gradually increasing, and the dosage is continuously increased in production, which not only increases the cost but also worsens the residual quality of chemical pesticides and hinders people’s health and Tea leaves.