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What harm do corn aphids cause, and what insecticides are good for controlling them?
Aphids are distributed very widely around the world, mainly concentrated in temperate regions, and are one of the most destructive pests on Earth, damaging most crops, with their destructiveness being relatively obvious on corn. So, what harm do corn aphids cause to corn? What
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How effective is dichlorvos for controlling thrips?
Dichlorvos is a highly toxic pesticide, commonly used to control crop pests, so is it effective against thrips? What other control methods are there? 1. Is dichlorvos effective against thrips? Dichlorvos is effective against thrips. But when using dichlorvos to control thrips, it is generally in protected cultivation, when the thrips population is large, during rainy weather or after watering in the greenhouse, dichlorvos smoke agent can be used at 250 g/sq m.
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What Pesticides Are Best for Controlling Pests and Diseases on Peach Trees?
The peach tree is a common fruit tree in our country, grown over a fairly wide area. Every June it begins to come onto the market in large quantities and is very popular. During the growing period, appropriate amounts of pesticide must be sprayed to control pests and diseases, so what pesticide should be used on peach trees? 1. Peach leaf curl Symptoms of damage
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What pesticide is best for controlling bayberry pests and diseases?
At the mention of bayberry, everyone is surely familiar with it; it is not only highly nutritious but also sweet in taste, and very popular among people. It is now grown in most regions, so what pesticide should be used for bayberry? 1. Brown spot disease. Damage symptoms: leaves infected with brown spot disease develop purple-red dots the size of needle tips on the surface. As the infection deepens, the leaf edges gradually turn brown or grayish brown. In the late stage of the disease, the center of the lesion becomes light reddish brown or grayish white, scattered with the fungus's ascospores, and the diseased leaves finally dry up and fall off.
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What are the methods for controlling pests on cucumber vines?
Cucumber is one of the main summer vegetables in all parts of China. It is generally propagated by sowing. After soaking the seeds to promote germination, they are sown. In rural areas, they are generally sown directly in the soil, and they can sprout after a few days. So, what should be done when pests appear on cucumber vines? 1. What should be done when pests appear on cucumber vines?
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Which pesticides work well for controlling pests and diseases on Welsh onions?
The Welsh onion is one of the common allium vegetables, and it is also a very popular vegetable and an important seasoning, with high yields and easy cultivation, and many people grow it. So, what pesticide should be used for Welsh onions? If Welsh onions have no pests or diseases, there is no need to use pesticides; if
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What pesticide works well for controlling scale insects?
Currently, scale insects occur in all parts of our country, and the degree of damage is becoming increasingly serious. From southern fruit tree crops such as citrus, lychee, and mango, to northern fruit tree crops such as apple, pear, and peach, none are spared. The scope of damage shows a trend of being heavier in the south than in the north, with damage to fruit trees
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What pesticides are good for controlling loquat pests and diseases?
Loquat is a relatively common fruit that can also be used as medicine, and its economic value in cultivation is relatively high. So what pesticide is used for growing loquat? 1. What pesticide is used for loquat. Under normal circumstances, loquat does not need pesticides. If pests and diseases occur, then
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What pesticides are good for controlling cherry pests and diseases?
When cherry is mentioned, everyone is surely familiar with it. It is not only sweet and highly nutritious, but also can be eaten in many ways, and is very popular among people. It is grown in many regions, so during cultivation what pesticides are used for cherry? 1. Brown spot disease Also known as leaf shot hole disease. It is the most important
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What pesticides are effective for controlling pomelo pests and diseases?
Every year around National Day, large quantities of pomelo go on the market in our country and are very popular among people. At present, many regions of our country are growing them, but during the growing period, various pests and diseases appear, and pesticides must be sprayed for control. So what pesticide should be used for pomelo control? 1. Gummosis disease Damage symptoms
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