When will Red Spider enter a high-incidence period? How to effectively prevent red spiders? Red spiders can also be called big spiders, big dragons, sand dragons, etc., mainly affecting various vegetable crops such as Solanaceae, Cucurbitaceae, Leguminosae, Liliaceae, etc. There are two outbreaks in Red Spider, which are April-May, September-October, especially after entering April. Under the appropriate conditions, the population of Red Spider will expand rapidly, so today Xiaobian says Say the spider mites prevention skills, I hope to help everyone.
First, reasonable progressive blending
It is recommended to use a combination of dosage forms (such as avidetazole, avirulence, etc.), but it is also possible to mix these single agents. If you are not satisfied with the control effect, you can also use carbazole + avermectin in combination with the insecticide profenofos, and treat both the worm and the worm; at the same time, it is compatible with the fungicide, mancozeb, and the worm; + Avermectin is accompanied by the insecticide triazophos; at the same time, it is compatible with the fungicide, mancozeb, and the disease. When conducting prevention and control, it is necessary to select high-quality pesticides and avoid using them as much as possible during the young fruit period.
Second, seize the key opportunity to prevent and control
At the beginning of the two high-risk periods, the long-term acaricide is used for key prevention and control. It can also be re-protected once the red spider's mouth falls in May-June, and then only the insecticide Dingke Kewei is needed in the hot season. To prevent and control other pests, the cost of prevention can be reduced.
Third, attach importance to returning rifle tactics
The specific operation is as follows: firstly kill the quick-acting acaricide, when the medicine drops, the eggs are gradually hatched on the 5th day, and then take a quick-acting + long-acting acaricide to avoid a round after the red spider eggs hatch. Pests.
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