Fruit Juice Powder,Best Fruit Juice Powder,Instant Fruit Juice Powder,Natural Fruit Juice Powder Xi'an JCF Herb Technology Development Co., Ltd , https://www.jcfherb.com
Prevention technology
1. Control methods: The use of pesticides to control adults and larvae is mainly based on manual killing of adult worms and cutting of leaves. Emphasis should be placed on the prevention of insects moving into the peak period to the hatching period of eggs. The pesticides should be 20% chlorinated EC (killing insects quickly) 60ml/mu, or 24.5% should be poured 25ml/mu, or 18% double insecticide. Water agent 100 g/mu, watered 50 to 60 kg sprayed on sunny morning.
2. Control time of pesticide application: Based on the results of the investigation combined with data from previous years, the first application time is from late May to early June, mainly killing adults, and the second application time is mid-to-late June. In order to kill the newly hatched larvae and eggs, fragmentation and unified defense, improve the control effect.
3. The selected agent is to be used alternately in a single dose.
Occurrence and Control of Iron Beetles in Corn
Gejiu City Plant Protection Station and Jiasha Township Agricultural Technology Center conducted a field survey on the maize iron beetle in Jiasha Village, Jiasha Township on May 23rd. From the survey results, this year's iron beetle is similar to the one from last year, and the degree of similarity is similar to last year. Is a moderate occurrence. The period from the end of May to the beginning of June is the peak period of adult migration. The rate of damaged plants was 100%, the rate of insects was 37.5-62.5% (35-90% last year), the average number of adults per plant was 1.02 (the average number of adults per plant in the same period last year was 1.15), and the highest single plant had 7 adults. Occurred area of ​​1200 acres.