Snails are miscellaneous, have a fast growth and a long period of damage. It mainly harms the leaves and seedlings of vegetables, especially the tender shoots. It not only caused holes or nicks in the leaves of the plant, but also caused the dead seedlings to be immersed in the resulting bacteria, and even caused the seedbed to be destroyed. This seriously affected the quality of the vegetables and increased the yield.
In recent years, due to sparse prevention and control, snails in some vegetable fields have been seriously developed, and there has been a tendency to spread to orchards, Daejeon vegetables, and potatoes. This should be a cause for great concern among farmers. The commonly used control methods are as follows: :
1. Agricultural control measures: Snails prefer humid environments and habits of habitat selection and breeding, and frequent activities at night or on rainy days. Therefore, water should be promptly removed after the rain, and the cultivating and weeding should be strengthened to destroy the habitat for snails.
2, artificial trapping and killing: in the evening or after the rain with leaves, leaves, fresh grass to make traps, or use old sacks or put waste piled up straw, etc., sprayed and trapped. In the early morning of the following day, the animals were captured and gushed or fed with boiled water.
3, protect the belt seedlings: 5 to 7.5 kg of lime per 667 square meters, in the ground edge of the field protection belt, protect the seedlings very well.
4. Poison bait trapping: fresh vegetable leaves, potato pieces, watermelon rind and other chopped, 80% trichlorfon wettable powder 800 to 1000 times liquid mixing, or use 5% of active ingredients of acetaldehyde mixed bran, corn Powder dubbed bait, spread in the evening burrowing in the field, the effect is good.
5. Chemical control: 98% copper sulfate 800-1000 times, or 1% salt water, or 800 times ammonia, Datian can also use 50% parathion EC 1000-1500 times spray control, are Can play a good deterrent effect.
Tafamidis Intermediates
Tafamidis Intermediates
Tafamidis Intermediates
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