What should be noted when planting autumn pumpkins? Detailed explanation of cultivation key points
What should be noted when cultivating autumn pumpkins? Please give guidance. Generally, there are two methods for cultivating autumn pumpkins: one is to renew and renovate summer-sown pumpkins, and the other is autumn sowing. The methods can refer to the following: 1. Renovate old plants. For summer-sown pumpkins, in mid-August remove all old and tender pumpkins, cut off old leaves and...
What should be noted when cultivating autumn pumpkins? Please give guidance.Generally, there are two methods for cultivating autumn pumpkins: one is to renew and renovate summer-sown pumpkins, and the other is autumn sowing. The methods can refer to the following:
1. Renovate old plants. For summer-sown pumpkins, in mid-August remove all old and tender pumpkins, cut off old leaves and some side branches, and apply 25-30 kg of compound fertilizer per mu. After fertilizing, carry out deep intertillage between the rows to a depth of 15-20 cm, and turn the fertilizer into the soil. After intertillage, irrigate thoroughly and keep the soil moist regularly, so that around early October the plants can once again bear pumpkins in large quantities.
2. Autumn sowing. Select pumpkin varieties that are both heat-tolerant and disease-resistant, and sow directly after sprouting from late July to early August. It is best to raise seedlings in nutrient pots and cover them with shade nets to protect the seedlings; transplant after the seedlings are more than 20 days old. Before transplanting, apply 30-40 kg of compound fertilizer per mu as base fertilizer. After transplanting, cover the bed surface with grass to lower temperature and preserve moisture. From after planting until early September, the bed surface should be covered with shade nets, and during this period spray 1-2 times with a 50 mg/kg naphthaleneacetic acid solution to prevent the plants from developing viral disease. After the plants begin to vine, set up trellises on the bed surface and carry out single-vine pruning, removing all side branches, water in time to resist drought, and after fruit set apply topdressing 1-2 times, each time applying 15-20 kg of compound fertilizer per mu.
Autumn-sown pumpkins are prone to aphids and viral disease. Every 7 days, spray once with a 0.3% potassium dihydrogen phosphate solution, and use a mixed solution of 10% imidacloprid wettable powder plus 20% virus A wettable powder for spray control.
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