What kind of pesticide is used when heart borer occurs?
Plant pest is a problem often encountered in the process of planting, when the pest is serious, it may lead to serious damage to the plant, or even no harvest, so what is heart borer? What kind of pesticide should be used to treat heart borer and insect pests in plants?
I. what is a heart borer?
Heart borer is also called heart eater. There are many kinds of heart borer, including longicorn beetle larvae, pink moth larvae and other insect larvae, which generally feed on wood in the shoots. the fruit trees affected by them grow poorly, become weak and yellowing, and even the whole tree dies. Fruit trees can be damaged from young fruit stage to mature stage, and they are important pests of fruit trees. The mature larvae overwinter under the cortex of the branches and trunks and pupate and Eclosion in the following spring.
2. How to prevent and control heart borer
There are generally two methods for the control of heart borer: artificial control and chemical control. Manual control is generally timely removal of insect fruit, pick up rotten fruit on the ground, centralized treatment. When you find the damaged parts of the branches, scrape off the pests in time, and apply the wound with 30% copper oxychloride suspension or 50% carbendazim 50 muri 100 times liquid to avoid bacterial infection. Another method of artificial control is entrapment. Make use of the phototaxis of adults, trap and kill them with black light during the occurrence of adults. Use sweet and sour to trap and kill adults. Brown sugar 1kg, rice vinegar 2kg, water 10mur20kg, formalin a few drops, mix into sweet and sour liquid put in the orchard.
In addition, it is to carry out chemical control, generally spraying 5000 times of permethrin or deltamethrin at the initial stage of larval hatching, or spraying 25% insecticidal double water agent 600 UV 800x, 90% trichlorfon crystal 800x, or 40% isocarbophos EC 1000 times as early as possible after blooming, or edible pinhole injection of insecticides such as dichlorvos or dimethoate, the hole is sealed with clay, and the borer can be poisoned.
The above are some basic measures for the prevention and control of heart borer, in drug control, we must do a good job of relevant safety measures to prevent pesticide poisoning.
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