Can urea plus washing powder control aphids?
Can urea plus washing powder control aphids? Is this true? Spraying urea plus washing powder can prevent and cure aphids, because urea can destroy the chitin of aphid body wall, and washing powder contains surfactant sodium alkylbenzene sulfonate, which can dissolve the wax layer of aphid body wall. and attached to it to form an impervious, airtight film, resulting in aphid stomatal blockage and suffocation. The mixed use of the two has the advantages of high efficiency, no pollution, convenience and topdressing effect, which can be referred to the following methods: the proportion of detergent, urea and water is 1: 3: 300. When preparing, use hot hydration to open the washing powder, then add urea and water, stir well. Note: stirring fully during preparation, do not leave particles, these particles are easy to cause leaf burning. Spray evenly, be sure to spray the liquid on the aphids, otherwise it won't work. Click to get more pesticide application techniques
- Prev
What's the effect of avermectin?
What's the effect of avermectin? Which pests does avermectin have effect on? Please introduce that avermectin has stomach toxicity and contact killing effect on mites and insects, but can not kill eggs. The mechanism of action is different from that of general insecticides in that it interferes with neurophysiological activities and stimulates the release of GABA, which affects arthropods.
- Next
How to control sugarcane aphids?
What are sugarcane aphids? How to control sugarcane aphids? Please introduce that sugarcane is vulnerable to cotton aphids in the middle and later stages of growth. Sugarcane aphids gather on both sides of the midvein on the back of the leaves to suck juice, wither and wither the leaves, excrete honeydew on the leaves, induce soot disease and affect the normal photosynthesis of the leaves.
Related
- Fuxing push coffee new agricultural production and marketing class: lack of small-scale processing plants
- Jujube rice field leisure farm deep ploughing Yilan for five years to create a space for organic food and play
- Nongyu Farm-A trial of organic papaya for brave women with advanced technology
- Four points for attention in the prevention and control of diseases and insect pests of edible fungi
- How to add nutrient solution to Edible Fungi
- Is there any good way to control edible fungus mites?
- Open Inoculation Technology of Edible Fungi
- Is there any clever way to use fertilizer for edible fungus in winter?
- What agents are used to kill the pathogens of edible fungi in the mushroom shed?
- Rapid drying of Edible Fungi