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What is the difference between pesticide dusts and wettable powders?
What are the characteristics of dusts and wettable powders? How do dusts differ from wettable powders? Can dust and wettable powder pesticides be mixed? The following brief introduction from Gengzhongbang Planting Network is for netizens' reference. Dusts and wettable powders are two common pesticide formulations, and the physical properties of these two formulations...
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How to use the insecticide chlorpyrifos emulsifiable concentrate
How effective is the insecticide chlorpyrifos emulsifiable concentrate? How is it used? What should be noted? We also ask netizens to help advise. The insecticide chlorpyrifos emulsifiable concentrate has contact, stomach and fumigant action on pests, and is especially very effective for controlling the brown planthopper. Zhongdi Net has compiled its characteristics and use precautions, in order to...
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Which crops is the fungicide chlorothalonil suitable for?
On which crops can the fungicide chlorothalonil be used? Please give an introduction. The fungicide chlorothalonil can be used on the following crops: 1. Control of rice blast. To control leaf blast, start spraying when disease centers appear in the field, then spray again after 7 days. To control panicle blast, spray once each at the booting stage and the full heading stage of rice. Each time per...
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What are the methods for using herbicides on aquatic vegetables?
How can grapes be protected from herbicide damage? Please advise. According to surveys, the harm to grapes from herbicides is also becoming increasingly serious, especially for varieties that sprout and unfold leaves early, such as Vitis amurensis (Amur grape), which suffer particularly severe damage. The leaves of affected plants look as if they have been scalded with boiling water. Later they dry up and fall off, and the clusters also show varying degrees of wilting; in severe cases the berries...
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How should plant growth regulators be used to be considered reasonable?
How are growth regulators used on cherry tomatoes? What should be noted? Cherry tomato varieties are broadly divided into two types: one is the indeterminate growth type, meaning the top does not terminate and it can grow continuously; the other is the self-terminating type, which automatically terminates after growing several leaves and continues to grow upward relying on side branches. The management of these two types of varieties differs...
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How to apply plant growth regulators to fruits and vegetables
Scientific and rational use of several plant growth regulators can effectively control the growth of fruit trees and vegetables at different stages, improve their quality and yield, and increase economic benefits. 1. Ethephon 1. Physical and chemical properties. The pure product is a white crystalline solid, easily soluble in water and ethanol, poorly soluble in benzene and dichloroethane, and in acidic solution...
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How can herbicide dosage be controlled in a scientific and reasonable way?
What should be done if wheat is damaged by herbicide phytotoxicity? What remedial methods are there? There are many varieties of herbicides for wheat crops, and their physicochemical properties, sites of action, and mechanisms of action differ, so the symptoms of phytotoxicity they cause also differ. Some are manifested inside the plant, some externally, some in the aboveground parts, and some in the underground parts...
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Which pesticides and insecticides can be used on pollution-free vegetables
Biopesticides: BT, whose Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable-growing areas of our country and has achieved relatively good economic benefits. However, there are currently many BT manufacturers, and quality varies, so a high-quality variety must be selected when using it. Precautions: BT works...
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What are the commonly used herbicides for aquatic vegetable fields?
Properly grasp the application time, generally spraying after corn sowing; spraying herbicides when the ground is moist gives the best effect. Strictly control the dosage according to the amount stated in the instructions, using a reasonable dose; too much easily causes phytotoxicity, while too little fails to achieve the proper effect. Avoid spraying on windy days; when spraying, it is best to choose weather with wind...
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What herbicides are suitable for autumn radish fields
For pre-sowing soil sterilization, you can choose 48% trifluralin emulsifiable concentrate 100-150 ml (dosage per mu, the same below), 48% butralin emulsifiable concentrate 200 ml, 33% pendimethalin emulsifiable concentrate 100-150 ml, 50% acetochlor emulsifiable concentrate 75-150 ml, and spray each mixed with 50 kg of water. Trifluralin and similar products are prone to photodegradation and volatilization, which reduce efficacy, so immediately after spraying...
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