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How should fungicides be used to improve their efficacy?
How can fungicides be used to improve their efficacy? Please introduce the methods. To improve the efficacy of fungicides, you can refer to the following suggestions: Mix the concentration properly. Different fungicides have specific requirements for their use concentration. When mixing the concentration, you must strictly follow the "instruction manual" and must not increase or decrease it at will. ...
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What are the effects and uses of copper hydroxide fungicide?
What is copper hydroxide fungicide used for? Please give an introduction to copper hydroxide fungicide: other names include Kocide, Guanjuantong, Fenghu'an, etc. Common formulations include 77% copper hydroxide wettable powder, 57.6% copper hydroxide dry granules, 37.5% copper hydroxide suspension concentrate, 25% copper hydroxide suspension concentrate. At present in agriculture...
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What are the precautions for using phoxim and chlorpyrifos?
What should be noted when using phoxim and chlorpyrifos? Please introduce phoxim: 1. Stop using phoxim 3-5 days before vegetable harvest. 2. Phoxim must not be mixed with alkaline pesticides. 3. Phoxim is prone to causing phytotoxicity to cucumber, Chinese cabbage and kidney bean, so it should be used with caution. 4. Apply the pesticide in the evening or on cloudy days. 2-3 days after spraying...
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What kind of pesticide is acephate? Detailed explanation of its action and uses
What is acephate? Please give an introduction to acephate: Other name Orthene. Toxicity: Acephate is a low-toxicity insecticide. The oral LD50 of the technical material in rats is 945 mg/kg, the dermal LD50 in rabbits is 2000 mg/kg, and no lesions were found in beagles fed 1000 mg/kg daily for 1 year...
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What insecticide works well for controlling the rice stem borer (Chilo suppressalis)?
What insecticide should be used against the rice stem borer? Please note that controlling the rice stem borer also depends on the natural enemy situation in the paddy field. There are many natural enemies that parasitize the rice stem borer, mainly the egg parasitoid Trichogramma, the larval parasitoid Cotesia, and predatory natural enemies such as spiders. When the number of natural enemies is large, the control threshold can be appropriately relaxed. Commonly used control agents include Bai...
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How much chlorpyrifos and phoxim should be used to dress wheat seed?
How much chlorpyrifos and phoxim is suitable for dressing wheat seed? Please advise: 40% phoxim emulsifiable concentrate is registered for wheat seed dressing to control soil-dwelling pests, using 180-240 ml of the formulation per 100 hectares of seed, diluted with water and sprayed onto the wheat seed while mixing. For dressing seed with chlorpyrifos to control soil-dwelling pests in wheat, use 200 ml of 48% chlorpyrifos emulsifiable concentrate per 100 kg of wheat seed...
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On which crops does ethephon work well?
Which crops does ethephon work on? Please explain. Ethephon is an organophosphorus broad-spectrum low-toxicity plant growth regulator that promotes ripening. It can enter the plant through leaves, bark, fruit and seeds, then be transported to the site of action, where it releases ethylene. It can promote fruit ripening and coloring, promote leaf and fruit...
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The correct method for using ethephon to ripen cotton
How do you use ethephon to ripen cotton? Please give an introduction. Correct use of ethephon to promote ripening of cotton bolls can make the bolls open 7-10 days earlier, increase yield by 6.4%-10.2%, and increase income by 26-40 yuan per mu. However, the following points should be noted when using it: 1. Efficacy. Ethephon on the market mainly comes in aqueous and oil...
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What kind of pesticide is vinclozolin?
What is vinclozolin? Please introduce vinclozolin, also known as Ronilan. It is a protective fungicide. It has good control effects on gray mold, brown spot, and sclerotinia of fruit trees and vegetables. At present, the domestic 50% vinclozolin wettable powder is limited to the control of cucumber gray mold and early blight. Us...
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A Detailed Guide to Using Ethephon on Cotton in the Late Stage
How is ethephon used on cotton in the late stage? Here is an introduction. Using ethephon in the late stage of cotton growth has become a yield-increasing technique very popular among cotton farmers. Ethephon is a ripening agent; after use, it generally allows cotton bolls to open 7-10 days earlier, increases the amount of cotton picked before frost by 20-30%, and can improve the luster of the cotton...
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