Technical points?:
1. Choose the most resistant varieties: such as Jinza No.2, Jinchun No.1, No.3 or Zhongnong No.11 and No.13.
2. Use disease-free seeds or disinfect the seeds: Soak the seeds with active ingredient 0.1% carbendazim hydrochloride plus 0.01% level and soak for 1 hour.
3. Cultivate disease-free and strong seedlings: Use disease-free soil to raise seedlings and strengthen management.
4. Grafting and cultivation: pumpkin as rootstock, cucumber as scion for grafting, can prevent soil-borne diseases such as withering and disease, and get early maturing and high yield.
5. Apply organic fertilizer, increase phosphorus and potassium fertilizer, use sorghum planting and mulching.
6. Physical control: Use three high temperatures in summer.
(1) Apply 100 kg of lime per acre and 500 kg of ground straw after cleaning the garden and apply it evenly on the surface;
(2) 33 cm of high ridge height after 66 cm of deep soil;
(3) Irrigation: Water is always filled in the furrow (during treatment);
(4) Covering and sealing sheds and chambers for 10 to 15 days. Prevention and treatment of nematodes, blight, diseases, sclerotinia and other effects are good. ?
7. Ecological control: 1 hour release in the morning, close the shed and room in the morning, raise the temperature to 28～34°C; release the air at noon and afternoon, the humidity drops to 70%～75%; close the room in the evening after releasing the air for 3 hours, temperature Fall 11 ~ 12 °C, if the minimum temperature in the evening exceeds 13 °C above, then the whole night release (except for wind and rain outside). Require sunny watering in the morning, close the greenhouse after pouring water, the temperature mentioned 35 ~ 45 °C, boring 1 ~ 2 hours after the release of moisture, but also at night to release the wind and humidity. It has good effects on downy mildew, gray mold, angular spot, powdery mildew, anthrax, and black spot disease.
8, combined with chemical control: downy mildew can be used 70% manganese manganese wettable powder or 7% anti-mildew spirit dust; gray mold and anthrax 50% mildewin wet powder; powdery mildew with Wuyimycin or baking soda Neoplasma or midmycin for Keratoderma; 40% Nova Emulsion for Scab and Blight. ?
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