Main points of prevention and control of diseases and insects in melons in June

As the temperature rises, the larvae of the ladybug will damage the eggplant and the potato; the leafhopper will suck the juice on the back of the eggplant leaves, making the leaves appear red; the aphids, cabbage caterpillars, diamondback moth, cotton bollworm, tobacco budworm and other pests continue It is harmful on a variety of crops. It is necessary to take time to prevent and control these pests.

Open field cucumber is prone to downy mildew , anthracnose, bacterial angular leaf spot, root knot nematode, etc. Tomato is prone to early blight, late blight, viral disease, spot blotch, etc. Pepper is prone to viral diseases and diseases, etc. It is prone to anthrax and viral diseases. For these diseases that occur every year, prevention and control should be strengthened. For melon downy mildew, powdery mildew, anthracnose should be sprayed 50% Anke 7 days to 10 days before the onset, 43% good Lectra and 53.8% can kill 2000, or 50% chlorothalonil, 70 % 翠贝, etc.; spray on 72% Best or Anke + Dasheng m45 on cotton plague, early and late blight, leaf spot disease of the solanaceous fruit, and apply several pesticides alternately to improve the efficacy and join the cloud- 120 relieves the phytotoxicity and improves the control effect to regulate growth. For aphids, whitefly, whitefly, red spider, 10% can be sprayed or 3% acetamiprid or 5% flat mites can be applied to cabbage caterpillar, heartworm, cotton bollworm 4.5% anti-health or 0. 8% Yifu biological pesticides.

Watermelon blight: 1000 times with 40% pentachloronitro-wettable powder or 600 times with 40% melon-dried. Watermelon blight, powdery mildew: spray with 1500 times 10% or 40% DuPont Fuxing 5000 to 6000 times or 4000 times. Watermelon blight: spray with 600% antivirus 矾 600 times or 70% ethyl phosphorus manganese zinc 400-600 times. Watermelon leaf miner, Liriomyza huidobrensis: spray with 3000 to 5000 times or 1% insecticidal 1000 to 1500 times. Aphids, thrips: spray with Emerald 25,000 to 30,000 times or 20% Confort 5000 times.

Tomato late blight: virus with 64% or 70% alum 600 times 400-600 times MnZn fosetyl aluminum spray. Cucumber, long melon powdery mildew: sprayed with DuPont Fuxing 5000-6000 times. Plutella xylostella: It can be sprayed with 1% insecticidal 1000-1500 times or 5% Regent 1500 times.