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Why does spraying herbicides cause phytotoxicity?
Which types of herbicides should not be used on lawns? Seeking advice: try not to use the following lawn herbicides: 1. Herbicides with a long residual life, including imidazolinone herbicides such as imazethapyr, sulfonylurea herbicides such as metsulfuron-methyl, tribenuron-methyl, tribenuron-methyl, etc., and heterocyclic herbicides such as clomazone, etc. These types of herbicides have a relatively long residual life in the soil, and once used...
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What is the best time to spray insecticide on rice?
When is the best time to spray insecticide on rice? The following points should be noted when spraying insecticide on rice: Do not spray insecticide on rainy days; this is basic common sense that farmers understand, but many farmers often spray at noon on sunny days, which is highly inadvisable and harmful, because: 1. At noon, light...
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What are the common insecticides used on bananas? A reference for growers on pesticide use
What insecticides are commonly used on bananas? Here is an introduction so you can stock up. The insecticides commonly used on bananas include the following varieties (additions welcome): (1) High-efficiency Dagongchen 5% High-efficiency Dagongchen wettable powder is a new type of highly effective, low-toxicity, strongly systemic insecticide, with a significant control effect on piercing-sucking mouthpart pests such as aphids and thrips...
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What are some practical ways to improve the effectiveness of insecticides?
It is once again the season when pests are rampant. What should be noted when spraying insecticides? When using pesticides to control crop pests, to achieve the best insecticidal effect, in addition to selecting the right targeted pesticide and applying it at the appropriate time, special attention should also be paid to the following two easily overlooked issues. First, it depends on the climate characteristics and the pest's day-night activity...
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Paraquat Herbicide Introduction: A Comprehensive Guide in One Article
A farmer called: When selling vegetables grown nowadays, they are often asked whether there are pesticide residues. What are the consequences of pesticide residues? Answer: Pesticide residues are the portion of pesticides that remain directly or indirectly in grains, vegetables, fruits, livestock products, aquatic products, and... after pesticides are applied in agricultural production.
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What are the commonly used herbicides in soybean fields?
What herbicides can be used for growing soybeans? How to use them without causing phytotoxicity. Fomesafen (fluoroglycofen-ethyl) is a herbicide for controlling broadleaf weeds with a relatively broad weed-killing spectrum. After application, contact phytotoxic spots will appear on soybean leaves; this is normal and has no obvious effect on soybean growth, and newly grown leaves will show no phytotoxicity. Value...
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How to correctly use herbicides in forest nurseries?
Can herbicides be used when growing Schisandra chinensis? Will they cause phytotoxicity? 1. Soil residual phytotoxicity 1. Symptoms. In the middle of the growth period, the leaves wilt, and in the morning and evening the leaves recover and become upright, the plant becomes stunted and stops growing, similar to drought, and the root system develops slowly. 2. Causes. The phytotoxicity of triazine, sulfonylurea, imidazolinone, etc....
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Causes of Herbicide Phytotoxicity and How to Prevent It
How can you improve the effectiveness of herbicides applied in corn fields? Farmer friends should carefully choose good herbicide varieties and correctly master the timing and method of application to improve herbicide effectiveness: 1. Timing of use: apply herbicides after harvesting wheat and irrigating the field, because high soil moisture allows the efficacy to fully...
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How to Correctly Use Herbicides When Planting Autumn Radishes
How should herbicides be used for planting autumn radishes? What are the application methods? When planting radishes in autumn, the amount of weeds in the field is relatively large, so in production, herbicides can be selected according to actual conditions for chemical weed control. For pre-sowing soil treatment, you can choose 48% trifluralin emulsifiable concentrate 100-150 ml (dosage per mu, same below...
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How should herbicides be used in a watermelon field?
How should herbicides be used in a watermelon field? Seeking guidance. Watermelon is one of the important cash crops in our county. To meet the needs of different periods, watermelons are grown in many different ways: direct seeding, transplanting, open-field cultivation, plastic film mulching, single-layer small arch shelters, double-layer small arch shelters, medium tunnels, and large greenhouses. Whether in open fields...
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