关于对褐飞虱防治方法和防治策略的探讨

• 作 者: 朱瑞良
• 出 处: 科技简报
• 发表日期: 1977年15期
• 关键词: 褐飞虱 六代 大发生 晚稻 搁田 台州地区 防治方法 害虫 量大 烤田

褐飞虱是台州地区当前晚稻上的主要害虫,一年发生五、六代,其中第五代危害最大,个别年份第四代或第六代危害也较严重。据各地历年观察,四代短翅虫出现早、比例高,绝对数量大就是大发生的预兆,加上适宜的气候条件和人为等因素,就会造成褐飞虱大发生。

Nilaparvata lugens is a major pest on the current rice crop in Taizhou Prefecture. It occurs for five or six generations a year, of which the fifth generation is the most harmful and the fourth or sixth generation of individual years is harmed more seriously. According to the observation over the years, four generations of short-winged insects appear early, a high proportion of absolute large number is a sign of great occurrence, coupled with the appropriate climatic conditions and man-made and other factors, it will cause a large brown planthopper occurred.