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2015年8月~2016年3月,在乐山市马边彝族自治县林业有害生物普查项目的支持下,对该县辖区内20个乡镇的林业树种进行了有害生物普查工作。结果发现,马边彝族自治县荣丁镇的老人葵受大袋蛾的为害非常严重,受灾害株率14%~80%,为害面积8.1%~80.2%。若不及时进行捕杀或施药处理,该区域的老人葵植株的生长将受到极大影响,失去观赏价值。
From August 2015 to March 2016, with the support of the Census of Forestry Pests in the Mabian Yi Autonomous County of Leshan City, the census of pests of forestry in 20 towns and townships within its jurisdiction was conducted. The results showed that the elderly Kwai Wing Mau Yi Autonomous County of the elderly Kwai sack moth damage is very serious, the affected strain rate of 14% to 80%, the damage area of 8.1% to 80.2%. Without the prompt killing or pesticide application, the growth of the elderly sunflower plants in the area will be greatly affected and the ornamental value will be lost.