Control methods of Golden Needle insect in Chinese chives
The root was irrigated with 1000 times of phoxim, 1000 times of trichlorfon, 4000 times of 50% cyanohydrin EC, 3000 times of chlorpromazine and 2.5 times of trichlorfon. Before sowing or planting, you can also use the above agent mixed with poison bait or coated with seed coating agent.
- Prev
Damage characteristics of chives and maggots
Leek maggot belongs to Diptera, Culicidae, which is the larva of Mushroom mosquito and the main underground pest of Chinese chive. In spring and autumn, the larvae gathered underground to feed on the young bulbs of leek, resulting in thin and yellow leaves, wilting roots, and finally withered. Therefore, for the prevention and control of leek maggots, we should master agricultural measures, biological control and chemistry.
- Next
Pollution-free control techniques of gray mold of leek
The main results are as follows: (1) the symptoms and epidemic rules are mainly harmful leaves, which can be divided into three types: White spot type, which forms water-stained gray spots on both sides of leaves, oval or fusiform, the periphery is light yellow, and the disease spot expands in the later stage, causing half-leaf or whole leaf to die. Sparse gray mold layer occurs when it is wet. Dry tip type, is in.
Related
- Where is it suitable to grow horseradish in China? it is expected to see the middle altitude horseradish in Alishan.
- How to prevent tomato virus disease reasonably? (Control methods included)
- Many people like to plant towel gourd on the balcony. What are the main points of this method and management?
- What crops can chili peppers be mixed with?
- Fertilization techniques and matters needing attention in Tomato
- What are the grafting techniques for peach seedlings in spring?
- Harm and control methods of root swelling disease of Chinese cabbage
- What are the pests of sweet potatoes? How to prevent and cure it?
- Symptoms, causes and Control methods of navel Rot in Tomato
- The cause of "Cucumber rotten bibcock" in Farmers' planting Cucumber and its Control Plan