Recently, I came across two incidents where the use of pesticides in greenhouses caused the bees to leave the beehive and begin to die. One of my friends called and said that after a farmer used Imidacloprid to control aphids on a strawberry, the bees did not come out of the beehive after three days. The bees in the beehive began to die; the other one was talking in a forum, the nectarine shed in Liaoning, Peach sheds smoked on December 23, bees were released on December 31, and bees did not leave the beehive on January 7. Both of these issues will have a direct or indirect impact on agricultural production. How to use pesticides safely in the pollination season of honeybees is particularly important.
A few days ago, I discussed with an expert about the safety of chlorinated nicotine insecticides on bees. I checked the internet and checked some information. The most happiest thing was to contact a friend of a company in the Netherlands a few days ago. He learned from him about the safety intervals of some pesticides on bees. Share it for everyone now.
Aphids are common in winter greenhouses, but only a handful of insecticides are effective against beetles and bees are safe. After a single day of matrine treatment, bees are placed. After treatment with dinotefuran, acetamiprid, and deltamethrin, The bees can be released in 3 days, and bifenthrin and nitenpyram can be used only after 7 days of treatment. After thiamethoxam is administered, imidacloprid, beta-cypermethrin, and fenvalerate can be used to release bees 30 days after administration.
In the case of Liriomyza, the safety interval for honeybees after the administration of avermectin and deltamethrin was 3 days, and the safety interval after the administration of cyromazine was 1 day.
For locusts, there are more drugs to choose from, and the safety of bees such as diphenoquinone, ethylcarbazole, and acetylene is very good.
For lepidopteran pests, there are also a large number of drugs that can be selected. For example, the interval between the safety of benzanidin, methotrexate, and Bacillus thuringiensis is 1 day for honeybees and 3 days for deltamethrin.
Precautions:
1. The bees fight drugs or aromatherapy during pollination, and the bees are moved to other untreated sheds. The bee colony safety interval, in the case of large ventilation, strictly in accordance with the safety interval interval, in the case of cloudy days, the number of cloudy days does not count into the safety interval, the interval is postponed.
2. After the fight against drugs or aromatherapy, the ventilation of the greenhouse should be increased when the temperature is high to facilitate the dispersion of pesticides. Please use the correct concentration of medication, such as increasing the dose, we must extend the safety interval of at least one day.
3. When fighting drugs or aromatherapy, if you move the hive to another booth for more than three days, you need to open the beehive box door to allow the bees to come in and out freely to avoid suffocation. If it does not exceed three days, there is no need to open the beehive box door. .
4. Because many pesticides contain invisible ingredients, it is recommended that you buy regular manufacturers of pesticides.
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