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Why are insecticides prohibited during the lychee flowering period?
Experimental research and production practice have proven that placing bees for pollination during the lychee flowering period is the guarantee of a bumper lychee harvest, and the honey made by bees from collected pollen is also a natural health food for humans. In order to prevent bee poisoning and honey contamination, ensure that enough worker bees are out foraging for nectar, improve pollination effectiveness, and protect human health...
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What are the commonly used pesticide insecticides for pollution-free vegetables?
Biological pesticides: 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 good economic benefits. However, there are currently many BT manufacturers with varying quality, so a good-quality variety must be selected when using it. Precautions: BT works better when the temperature is slightly higher...
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Application Methods and Technical Key Points of Botanical Insecticides
Chemical fertilizers, pesticides and hormones are major means of agricultural production and play an important role in ensuring increased agricultural output and higher farmer incomes. With social development, in order to improve labor efficiency and increase economic returns, farmers often mix two or more of chemical fertilizers, pesticides and hormones when applying them in production. Scientific and rational...
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How to choose insecticides specifically for cucurbit crops?
During the growth of cucurbit crops, for the pests commonly encountered, there are some specialized insecticides, that is, low-toxicity pesticides that will not cause serious residue problems for cucurbits, introduced as follows. 1. Menazon. Also known as mieyaling. A highly effective, low-toxicity organophosphorus insecticide with contact and systemic action. In the early stage of melon aphid...
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What are the methods for making plant-based insecticides?
Do not use inferior pesticides. To ensure the quality of the pesticides used, purchase them from legitimate manufacturers and pesticide sales outlets to avoid buying counterfeit or substandard pesticides, and pay attention to the production date and expiration period of the pesticides. Do not use bacterial insecticides at low temperatures; their active ingredients are protein crystals and living spores...
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Application of Pesticide Synergists in Insecticides
Recently, the Rice Insecticide Application Technology and Market Promotion Exchange Meeting was held in Changsha. At the meeting, experts from the National Agricultural Technology Extension Center and several other institutions analyzed the market changes in rice insecticides in recent years from different perspectives. They also predicted that due to changes in major rice pests and the rapid development of pest resistance, the...
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What is the difference between public health insecticides and general pesticides?
First, based on the climate characteristics and the pests' day-and-night activity patterns, choose a favorable time period for application. The best times to apply are from 9 to 10 a.m. and after 4 p.m. This is because from 9 to 10 a.m., the dew on the crop leaves has dried, and it is also the time when day-active pests are most active. Applying at this time will not, because of the dew...
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What is effective for controlling diamondback moth? Bacterial insecticides work well
The diamondback moth appears year-round, and bacterial insecticides can be cleverly used to control it effectively. Against diamondback moth and other lepidopteran pests, bacterial insecticides give good control. There are many varieties of bacterial insecticides, and in China the top recommendation is high-efficiency Bt, namely Bacillus thuringiensis. The commonly used dosage is 8000 international units/ml per mu,...
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Simple Methods for Making Flower Insecticides
When flowers are attacked by pests, some simple homemade insecticides are effective at sterilizing and killing insects. 1. Laundry detergent solution: take 2 g of laundry detergent, add 500 g of water and stir into a solution, add 1 drop of oil, and spray it on the insects on the plants; it can kill aphids, scale insects, red spider mites, green slug moths, white butterflies, whiteflies, etc. 2. Soap solution: take soap and hot...
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Can sugarcane herbicides and insecticides be mixed and used together?
First: The weed-control spectrum of the two herbicides should differ. Second: A fast-acting agent should be mixed with a slow-acting agent, and a long-lasting agent should be mixed with a short-lasting agent. Third: An agent with high diffusibility and mobility in the soil should be mixed with an agent with low diffusibility and mobility. Fourth: ...
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