Grafting cultivation is used in summer to enhance the resistance to stress. The scion is made of the heat-resistant Dutch variety Mariana or Cuibao, and the rootstock is made of black seed pumpkin. Sowing in mid-April, planting in mid-to-late May, harvesting from June to October, about 1500 grains of cucumber and black seed pumpkin seeds. Adopt rain-proof cultivation to create the best growing environment. The use of a dome-shaped shed with a top film prevents rainwater impact and direct sunlight from causing aging of the blade. Â
1, bed soil preparation
The fully decomposed compost and fertile garden soil are mixed in 2:1, and the fungicide is added to disinfect the bed soil. The 50% carbendazim wettable powder can be mixed with 50% thiram double wettable powder according to 1:1, each cubic meter bed. The soil is mixed uniformly with about 200 grams.
2, sowing
In the rain-proof arch shed, the cucumber seeds were planted into a 128-hole tray, and the black-seed pumpkin was sown into a nutrient bowl of 8 cm × 8 cm. In order to promote germination, it is necessary to sprinkle water moderately, and the temperature is maintained at about 28 °C. Note that the pumpkin does not have too much water, otherwise it will germinate badly.
3. Management after germination
Slowly cool down after germination, increase light, strengthen ventilation, and prevent prolonged. In the high temperature days, when the strong light is encountered and the dry outside air is encountered due to the wind, it is easy to cause the cotyledons to be injured. It is necessary to cover the grass rafts moderately on the arch shed to make the seedlings see the light green.
4, grafting (depending)
On sunny days, avoid rainy days and low temperature days. It is advisable for the true leaves of cucumber to have a size of 0.1 yuan to 1 yuan. Cut into the depth, the rootstock pumpkin 1/2, cucumber 2 / 3, the nutrient é’µ first into the bed soil, irrigation, cover film, insulation. Grafting is performed by the docking method.
5. Management after grafting.
After grafting, ensure that the ground temperature is about 25 °C, and the daytime temperature is about 27 °C. On the second day, if the grafted seedlings do not wilting, try to increase the light. The ventilation should be carried out from the top of the arch shed. About 7 days after grafting, it was confirmed that the hypocotyl of cucumber did not fester and wilting. After 2 days, the cucumber hypocotyls were cut, small sticks were inserted, and grafted seedlings were fixed with plastic rope.
6. Management in the late stage of nursery
When the leaves of the seedlings are in contact with each other, the distance between the nutrients and the sputum should be increased to make the lighting and ventilation good. Watering is carried out before 10:00 am on a sunny day, and the amount of water is preferably dry at night.
7, nursery days
From 30 to 35 days after sowing, the true leaves were planted at 3.5 tablets.
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