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Yellow stripe and armor prevention
The yellow striped hop and the brown leaf belong to the same family Coleoptera, and the leaf leaf is divided into the big leaf leaf and the small leaf leaf. The three are often mixed. The main damage is cruciferous Vegetables. Every spring and autumn occurs. Peak period. First, the damage characteristics of the yellow song article adult gnats bite the leaves were dense holes, the seedling stage is the most affected, and the larvae only harm the root vegetables, in the soil specifically foraging the host's epidermis, causing soft rot. Both adults and larvae of the leafhoppers feed on the leaves, and when severe, they eat into a net shape, leaving only the veins. Second, the prevention and control methods 1, agricultural control and non-crucified vegetables, a reasonable rotation of the measures can be reduced to harm. Elimination of deciduous residues in vegetable fields, eradication of weeds, elimination of overwintering sites and food preparation bases. Deep plowing of the sun before sowing results in an environment that is detrimental to the larvae's life and eliminates part of the pupae. 2. The seed dressing before sowing of the medicine is mixed with 5% Ruijin special dressing, and the mixture is proportioned (Ruijinte: Seed 1:10), and it can be sown after drying. Ruijin Special Coating Agent has contact, stomach poisoning and systemic absorption and can kill the yellow songbird larvae in the root zone of the soil surface. 3, chemical control of the yellow song strips and fleas A mixed when the key to the prevention and control of the yellow song hop, the key is to prevent and control underground larvae, and governance 猿 leaf A. Can choose to use 48% chlorpyrifos EC 1000 times, 52% farmland EC 1500 times, 50% phoxim EC 1000 times, spray the leaves and the surface at the height of adult damage, 3 to 5 days after the second medication, When spraying, spray from the side of the field to the field to prevent adult escape. It can also be used to control the larvae of the yellow-striped flea beetles with 10000 times liquid leaching and roots and above. For example, the cabbage leaf beetle, the diamondback moth, and the night moth, etc. occur at the same time, and the control of cabbage caterpillar and diamondback moth is mainly.