The friends who have seen the prickly ash tree all know that the prickly ash tree is full of thorns, and it is easy to prick the hand when picking pepper. Pepper planting in China is mainly distributed in the mountainous areas in the north, because the pepper is very adaptable to the environment, and it is both cold-tolerant and drought-tolerant, and is suitable for growing conditions in the mountains. The spring of pepper and pepper pests mainly occurs in spring, because the pepper leaves of Spring Festival is relatively tender, and the newly emerged small pepper is also very tender, and it is very easy to be eaten by pests. The following Xiaobian introduces you to the spring pepper pest prevention and control methods in the hope of growing pepper farmers. Help.
Spring pests of pepper have peppercorns, black cashew beetles, aphids, yellow swallowtails, golden flower insects.
Control methods:
First, from the beginning of April, continuous spraying of cyanidin 3000 times or 40% omethoate EC 1000-5000 times 2-3 times, can effectively control the harm of several pests. In the early spring, omethoate 80-100 times solution was applied to the trunk at the breast diameter, which makes it possible to use a thin bark of Zanthoxylum bungeanum and absorb it easily.
Second, pulverized coal sulfur mixture: before spraying 3? 5 Baume degrees of lime sulfur. It can control aphids and scale insects.
Third, the dry method: in mid-March, in the trunk of pepper trees 15 ~ 20cm or main lateral branch base smear system pesticides, the concentration of 1:20 (that is, 1 pesticide, water 20), brush width is About 15cm, coated with a plastic film after dressing. It can prevent and control narrow giardia, aphids, and scale insects.
Dried Celery,Air Dried Celery,Dehydrated Celery Leaves,Dried Celery Flakes
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