-
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...
-
Excessive use of pesticides for pest control is not advisable; only rational use is safe
1. Chlorpyrifos easily causes phytotoxicity when used during the seedling stage of melon crops, and its use should also be avoided during the flowering period of certain crops. 2. Pesticides containing triazophos should not be used on fruit cane, as they easily cause phytotoxicity. 3. Because phoxim easily decomposes when exposed to light, its use should be avoided during the watermelon growing period and the seedling stage of radishes and leafy vegetables (even during the growing period...
-
How to care for Peperomia obtusifolia in the summer heat? Get temperature control and watering right, and its leaves will be plump, green and glossy
Summer temperatures are relatively high, and Peperomia obtusifolia is also rather afraid of high heat. Once the temperature goes above 25 degrees, Peperomia obtusifolia can be scorched to death, so you can place Peperomia obtusifolia in a cool spot for care, and be sure to replenish water for Peperomia obtusifolia, which can cool it down, Peperomia obtusifolia...
-
6 tips for proper water control in succulents, so they too can become plump and fairy-like
I believe many beginners got into the hobby after seeing the plump, adorable fairy-like succulents others grow, but as they care for their own, they find they just cannot achieve that fairy-like state. What is going on? In the process of caring for succulents...
-
A detailed explanation of new grain insect-killing technology, scientific prevention and control of grain pests
In rural areas, this phenomenon is often encountered: when farmers spray pesticides, they do not know what pesticide they are using, nor how many times it should be diluted, and only know how many caps (pesticide bottle caps) to mix into a bucket of water. This is the true portrayal of how most Chinese farmers use pesticides today. Of course, this current situation has to do with rural...
-
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,...
-
Diagnostic Methods and Prevention and Control Measures for Herbicide Damage
1. Soil residual herbicide damage: Farmland where long-residual herbicides such as triazines, sulfonylureas, and imidazolinones have been used cannot be planted with Schisandra chinensis within two years. If, due to a lack of understanding of the herbicide use on the planting plot in the previous two years, the herbicide damage to Schisandra chinensis is relatively severe, it cannot be remedied, because in current agricultural production there is still...
-
Insect growth regulators can be used for diamondback moth control
The appearance of the diamondback moth seriously affects the growth of crops, so pesticides such as insect growth regulators are chosen to completely eliminate it. First, 10.8% pyriproxyfen emulsifiable concentrate can be sprayed as an 800-1500 times dilution; second, 5% chlorfluazuron emulsifiable concentrate 30-60 ml mixed with 30 jin of water can be sprayed; third, 5% emamectin benzoate water-dispersible granules 5 g mixed with 30 jin of water can be spr...
-
What role do viral insecticides play in controlling cotton bollworm
1. An important feature of insect viruses in pest control is their host specificity. In integrated pest management systems, this is an ideal control method choice for controlling pests (not a blanket kill-all), and the potential of beneficial insects in the entire ecosystem is utilized. Viral pesticides participating in biological control are a means of ecological management, with the purpose...
-
What insecticide is effective for controlling rice stem maggot
Rice stem maggot has broken out and caused serious damage in most rice-growing areas in China in recent years. At present, an insecticide for controlling pests such as the rice stem maggot has been successfully invented. The purpose of this invention is to provide a highly effective and low-toxicity insecticide specifically for controlling the rice stem maggot pest. The insecticide of this invention is made from fipronil and imidacloprid...
条件筛选