Speaking of Red Spider, farmers' friends are certainly not strange. This kind of bug is also called locust. Don't look small, the harm is not small, it will happen on many crops, especially citrus, cotton, apple, flower, vegetable and other crops. The hazard is very serious.
Many farmers responded, and prevention was always incomplete, and the effect of medication was not obvious. However, there is a planting master who summed up a formula that is worth recommending to everyone.
First introduce a drug, its name is ethazole.
This medicine is effective against eggs and pups, and is not effective against adult mites, but has good infertility to female mites. Therefore, its optimal control time is the initial stage of harm. It has strong rain resistance and lasts for 50 days.
Another drug is called snail ester.
The two drugs are effective against eggs and young baboons, but they are all ineffective for adult mites, and the duration of effect can be more than 30 days.
However, some parts of the snail ester used in the perennial use of leaf mites are somewhat resistant. Ethyl azole is a long-acting acaricide that has emerged in the past two years. The carbazole is stable under low temperature conditions.
These two acaricides have a synergistic effect on the combination of avermectin or auxiliaries, and the effect is better in the early stage of the mites.
For example, some cotton farmers used oxazol or snail esters in May-June this year, and the annual levels were low.
In the early stage of the red spider hazard, spray with ezoxazole diluted with water 3000-4000 times. It can effectively control the entire young age of the mites (eggs, cubs and nymphs). The period of validity can be up to 40-50 days. The effect of compounding with avermectin is more prominent.
For the occurrence of cotton leaf mites in the middle and late stages of cotton, it is recommended to use carbazole or snail ester and avermectin to prevent and control.
The main control of apple and citrus red spiders, cotton, flowers, vegetables and other crops of spider mites, eucalyptus, whole claw mites, two-leaf mites, cinnabar mites and other mites also have excellent control.
Acetazole is a non-temperature sensitive, uniquely structured contact-type, selective acaricide. There is no systemicity, and the whole plant should be sprayed when spraying. For cotton leaves, it is better to spray the back of the blade.
Safe and efficient for a long period of time, can effectively prevent the existing acaricides from producing resistance, and has good resistance to rain washout. If there is no heavy rain after 2 hours, there is no need to refill.
If you want to control red spiders, you should investigate the resistance of orchard red spiders and mix them properly. It is necessary to strengthen the cultivation management, remove the weeds around the weeds, and enhance the ventilation and transparency. If pests are found, they should be removed in time to avoid further development of pests.
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