-
How to use insecticides for the best results? A detailed guide to the correct method of use
How to use insecticides for the best results
-
What are the commonly used pesticide insecticides? A detailed explanation of deltamethrin and methyl parathion
(1) Parathion, also known as 1605, is a broad-spectrum highly toxic insecticide. It has strong contact, stomach and fumigant action, and good ovicidal effect, but no systemic translocation...
-
Growing vegetables without spraying pesticides: homemade insecticides work better, and you can eat with peace of mind.
Anyone who has grown vegetables knows that as long as you grow vegetables, there will be all kinds of pests. Among leafy vegetables, the cabbage caterpillar (Pieris rapae) does the most serious damage; among solanaceous and fruiting vegetables, the whitefly (Trialeurodes vaporariorum) troubles many vegetable growers; and chives...
-
What Types of Pesticide Insecticides Are There? A Detailed Guide to Selection Precautions
1.1 Classification by composition and source: Inorganic insecticides, such as lead arsenate, calcium arsenate, arsenites, sodium fluoride, sodium fluorosilicate, sulfur, zinc phosphide, etc. Organic insecticides. Natural organic insecticides can be divided into botanical insecticides (such as derris, pyrethrum, tobacco, pine resin, santonin, toosendanin, etc.) and mineral-derived insecticides...
-
How to prevent and control flower diseases? Learn to make homemade insecticides
Common chemical agents cause varying degrees of phytotoxicity to vegetables and fruits. For example, omethoate should not be used within 30 days before harvest; malathion is phytotoxic to melons and peaches; fenitrothion is phytotoxic to cruciferous plants and should not be used within 15 days before harvesting fruits and vegetables. Dichlorvos should not be used within one week before harvesting fruit trees and vegetables...
-
Detailed Explanation of the Classification and Research Progress of Botanical Insecticides
10% cypermethrin EC used 2 to 5 days before market: 2.5% deltamethrin 2 days; 2.5% kung fu EC 7 days; 5% leifuling EC 3 days; 50% pirimicarb WP 6 days; 1.8% abamectin EC 7 days; 10% kuaishadi...
-
Six precautions to note when using bacterial biological insecticides
Biological pesticide: BT, Chinese name Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable-growing areas of our country and has achieved good economic benefits. However, there are currently many BT manufacturers with varying quality, so when using it you must choose a variety of good quality. Note: BT is effective when the temperature is slightly higher...
-
Applicability of insecticides in sustainable rice pest management
Based on a comprehensive analysis of toxicity, insecticide resistance, effects on beneficial organisms and other aspects, the applicability of insecticides in sustainable rice pest management can be divided into 5 categories. The first category is applicable insecticides, namely fipronil, chlorpyrifos and pymetrozine; the second category is insecticides suitable for mixed use, mainly abamectin, Bt...
-
Six key taboos to remember when using bacterial biological insecticides
Edible fungi suffer pest damage during the mycelium growth and mushroom fruiting stages due to the distinctive odor of the mycelium, so insecticides are often used when pest damage occurs. When pest damage occurs in edible fungi, the first step is to choose insecticides that are highly effective, low in toxicity, and have a short residual life, such as decis and dichlorvos; do not use banned substances such as benzene hexachloride (BHC) and DDT...
-
Sensitivity of Crops to Common Insecticides and Fungicides and Precautions for Use
① Take 200 g of scallions, chop them, soak them in 10 L of water for a day and a night, filter the liquid, and use it to spray the affected plants several times a day for 5 consecutive days. ② Take 200-300 g of garlic, crush it and extract the juice, dilute it with 10 L of water, and use it immediately to spray the plants. ③ Take 400 g of tobacco powder and soak it in 10 L of water for two days and two nights...
条件筛选