permethrin Learn more about permethrin
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The efficacy of permethrin
Permethrin is a kind of insecticide with moderate toxicity to humans and animals and high toxicity to fish, so what is the effect of permethrin? How is permethrin prepared? First, the basic introduction of Lianben pyrethrin pure product is white solid, soluble in C.
2020-11-08 Lianben chrysanthemum efficacy lianben yes yes. -
What pesticides do ants use?
Ants are one of our common animals. As long as we take a closer look at the front and back of the house, we can always find a few small ants crawling around on the ground, busy carrying some food scraps. It's common to see one or two ants, but if it's a large group of ants,
2020-11-08 Ants use what pesticides ants yes we common -
Safety interval of several common pesticides (with quick look-up table of pesticide safety interval)
When some vegetable farmers use pesticides to control diseases and insect pests, they often do not pay attention to the pesticide safety interval before the vegetables are on the market, resulting in excessive pesticide residues on vegetables. For this reason, the majority of vegetable farmers should be reminded to strengthen their understanding and pay attention to the interval between the listing of vegetables after drug use to ensure that
2020-11-09 Several common pesticides safety interval period attached period speed look-up table -
Which pesticides can not be used in planting mulberry?
Which pesticides can not be used in planting mulberry? Please also know the netizens to help introduce the use of pesticides to control mulberry diseases and insect pests is one of the main methods with high effect, high speed, simple use, less regional restrictions, and suitable for large areas. However, because mulberry leaves are the feed of silkworms, improper use of pesticides.
2018-07-17 -
Prevention and Control of Gray planthopper in Corn Field
Prevention and Control of Gray planthopper in Corn Field
2018-07-24 -
Attention should be paid to spraying fruit before ripening.
The banned pesticides are 1605, methyl 1605, fenitrothion, monocrotophos, methamidophos, triathion, omethoate, zinc phosphide, aluminum phosphide, carbofuran, formearsine, chlordimeform, aldicarb, lindane and other pesticides. Dicofol can not be used in fruit trees because of its high residue of DDT. Note that the last spray in the safety period should not be less than 7 days from harvest: 50% dichlorvos EC, 40% dimethoate EC, 50% carbendazim wettable powder, 50% prohydantoin wettable powder, 20% chlorphenicol.
2019-01-16 -
The effect of fenpropathrin
Fenpropathrin has contact toxicity, stomach toxicity and certain repellent effect, wide insecticidal spectrum and long residual period, and has a good effect on many kinds of spider mites. Especially for pests and harmful mites, it can be used to treat both pests and mites, especially for pests and harmful mites.
2020-11-09 Methyl cyanide permethrin action methyl cyanide with contact -
Types of pesticides and matters needing attention in their selection
1.1 Inorganic pesticides are classified according to their composition and source, such as lead arsenate, calcium arsenate, arsenite, sodium fluoride, sodium fluorosilicate, sulfur, zinc phosphide, etc. Organic pesticides. Natural organic insecticides can be divided into plant insecticides (such as ivy, pyrethrum, tobacco, turpentine, anistemisin, azadirachtin, etc.) and mineral pesticides.
2018-07-16 -
How to control gray planthopper in corn?
How to control gray planthopper in corn? Please introduce the method when gray planthopper occurs in cornfields, it usually requires frequent and heavy use of drugs to control the number of insects. In recent years, accidents of drug damage to corn caused by improper use of drugs occurred frequently in production. Therefore, attention should be paid to the safe use of drugs in the control of gray planthopper. ...
2018-07-18 -
Grape garden diseases corresponding to the use of pesticides! Grape farmers don't worry anymore!
Suggestions on the selection of control agents for grape diseases and insect pests 1. Protective fungicides commonly used in vineyards generally have a wide germicidal spectrum and are commonly used in vineyards.
2019-02-26 -
Is deltamethrin toxic to people?
Deltamethrin is one of the most virulent pyrethroids insecticides, which has the effects of contact and stomach toxicity, rapid contact killing, strong knockdown power, no fumigation and internal absorption, and has repellent effect on some pests at high concentration. So is deltamethrin toxic to people?
2020-11-08 Bromine permethrin to people toxicity big bromine yes -
What about the wooden worm on the duck's foot?
The flower leaf duck foot wood is also called the flower leaf goose palm wood, its plant is compact, the crown is neat, the leaf surface is like the palm shape, is a kind of ornamental plant. What about the duck foot wood worm? What is the fertilizer suitable for duck foot wood? First, how to deal with the duck foot wood worm 1. Round shield scale duck foot wood
2020-11-08 Duck feet wood worms what to do flowers and leaves duck feet flowers -
Chemical pesticides for controlling common insect pests in vegetables
Chemical pesticides for controlling common insect pests in vegetables
2018-07-10 -
Is there any good way to control edible fungus mites?
Is there any good way to control edible fungus mites?
2021-02-18 -
Mosquito incense is more toxic than King Pesticide.
Recently, a piece of news that "for fear of being bitten by mosquitoes and ordering 20 plates of mosquito-repellent incense in the house, all five members of the family were poisoned" has maxed out many people's moments. The net of part-time jokers.
2019-02-22 -
Occurrence and control of main tea pests during summer tea
Due to the low temperature rain and snow weather in last winter and this spring, the base number of tea overwintering pests is low and the occurrence time is delayed, and the harm of spring tea is mild, but the weather in summer is more suitable for the occurrence and harm of diseases and insect pests. therefore, it is necessary to do a good job in the monitoring and control of diseases and insect pests. The occurrence degree of whitefly was lighter than that of last year, but the number of insects in some tea gardens still exceeded the control target. According to the investigation of Songyang County Plant Protection Station, the peak of overwintering adults was on April 15, with an average population of 17.4 louvers, which was later and less than that of last year (April 5).
2019-01-16 -
The two-point nocturnal moth has appeared! Summer corn growers should be careful!
The two-point nocturnal moth has appeared! Summer corn growers should be careful!
2019-02-20 -
Preparation of cultured Penaeus vannamei before stocking
The preparation work before stocking of Penaeus vannamei is mainly to renovate shrimp ponds, drainage and irrigation systems and other production facilities, drug cleaning ponds and culture basic bait, etc. First, shrimp pond finishing (1) the purpose of the drying pond is to restore the bottom of the pond. In general, shrimp ponds should drain water after harvest.
2020-11-08 Culture South whitening Shrimp stocking Front preparation event -
Control technology of grape green bug
When it comes to green bugs, many farmers have a headache. In the early years, they were only secondary pests. However, with the significant reduction in the use of chemical pesticides and the adjustment of agricultural industry structure, the population of green bugs has increased dramatically.
2018-06-03 -
What are the pests of camellias to be controlled?
What are the pests of camellias to be controlled? Please give a detailed introduction to the following pests of camellias: aphids [morphology and harm] aphids are divided into winged aphids and wingless aphids. Winged viviparous female aphid, transparent wings, dark brown body; wingless viviparous female aphid, wingless, dark brown body. In addition, if early appearance and adults.
2018-07-18