Control methods of corn thrips pest

When corn thrips appear, immediately pull out the insect seedlings and take them out of the field to reduce the spread of thrips. It can also be sprayed with 10% imidacloprid wettable powder, which can effectively kill thrips.

1. Occurrence time of corn thrips

In spring, Thrips flavescens first propagated on wheat and other crops, and then one part gradually transferred to spring corn. Because wheat was larger in area, the insect source of spring corn and middle crop corn mainly came from wheat. Generally, there is a nymph peak in wheat and spring corn from the end of May to the beginning of June, another adult peak in wheat, spring corn and middle crop corn in mid June, another nymph peak in late June, and another adult peak in spring corn, middle crop corn and summer corn in early July. Therefore, the emergence of these peaks, in the prevention and control of insects according to the timely adoption of measures.

II. Occurrence characteristics of corn thrips

Thrips prefer dry conditions, occur more in low-lying, windy and dry corn fields, and interplant corn in wheat plants short and sparse plots is often heavily affected. Rainfall from May to July has a great influence on thrips occurrence, drought and little rain are beneficial to thrips occurrence. Generally speaking, the occurrence quantity on maize was spring maize> middle crop maize> summer maize. Although the number of insects per plant on intercropping maize was less than that of spring maize, the damage was heavier, especially under the condition of lack of water and fertilizer.

Summary: The above content is the introduction of corn thrips pest control methods compiled by the soil flow network for everyone, hoping to help small partners in need.