Red spider mites are a common agricultural pest that mainly breaks out in spring and autumn. They have strong reproductive capacity and are very harmful. So what are the best pesticides for killing spider mites? Let’s learn more about it below. All"> 1. Avermectin Abamectin is an old brand of highly effective and low-toxic insecticide , mainly used to control mites and lepidopteran pests, such as rice leaf roller, striped stem borer, fall armyworm, aphids, red spider, rust tick and root-knot nematode. Reference usage: For red spider mites on fruit trees, use 30-40 ml of 1.8% avermectin emulsifiable concentrate per acre, and then add water for spraying. 2. Lime sulfur Lime sulfur is an inorganic sulfur-based broad-spectrum, low-toxic mineral-based pesticide made by boiling quicklime , sulfur and water. It can kill bacteria, insects and mites. One medicine has multiple uses, is inexpensive, and has good preventive and therapeutic effects. Reference usage: The original solution of lime sulfur has a degree of Baume of 23 degrees Baume. To control red spider mites, it needs to be diluted to 0.5 degrees Baume. The dilution multiple with water is (23-0.5) ÷ 0.5 = 45 times. 3. Damanlin Dabendazole is a broad-spectrum, contact acaricide that can be used to control a variety of plant-feeding pest mites. It has a good killing effect on red spider eggs, larvae, nymphs and adult mites. Reference usage: dilute 1500-2000 times and spray, spray the front and back of the leaves, focus on the insect-infested areas, spray twice in a row. Each time interval is 7-10 days. 4. Bifenazate Bifenazate is a new type of selective foliar acaricide with the trade name "Acaricide". This drug has a good killing effect on adult mites, nymph mites and eggs. Reference usage: Apply the pesticide at the initial stage of the disease, spray with 2500-3000 times diluted 43% bifenazate suspension. 5. Promethazine Promethazine is a low-toxic, broad-spectrum organic sulfur acaricide. It has contact and stomach poison effects, no systemic and osmotic conduction effects, and is effective against adult mites, nymphs and young mites. Reference usage: Apply the pesticide at the early stage of the outbreak of nymphs and young mites. Use 30-50 ml of 73% cypermethrin emulsifiable concentrate per mu, add 75-100 kg of water and spray. In general, there are many kinds of pesticides that kill red spider mites, but when using pesticides, be sure to follow the instructions and dosage on the instructions to avoid unnecessary losses due to excessive use or misuse. At the same time, they can be mixed appropriately to improve the use effect.
|
<<: How to propagate Million Bells and when to take cuttings
>>: How do million bells survive the winter? What should I do if the lower leaves wither?
1. Soil It likes fertile, well-drained slightly a...
If you grow mint like this in summer, the pot wil...
The ornamental value of ice lantern jade dew As a...
1. Soil suitability If you want it to grow faster...
1. When to prune It is best to prune the plants a...
Huahua has a friend. I like meat very much. So I ...
Basically, no plants will bloom in winter, so the...
Sweet potato is an important economic crop and fo...
1. Cutting method When cutting purple bamboo plum...
Broad beans are widely grown in China, both in th...
Spinach is a common green leafy vegetable that is...
1. The meaning of geranium flower language 1. Hap...
Summer conditions The suitable growth temperature...
Seed propagation of red spot grass The sowing pro...
How to water during the growing season During its...