Greenhouse cucumber seedling grafting technology

The preparation of nutritious soil The fermented pig manure was dried and finely sieved and then mixed with the sieved soil in a ratio of 3:1 soil and fertilizer (5 cubic meters of nutritive soil for 80 meter shed).
The seedbeds start from the second room in the greenhouse. Each room has two nursery beds that are 5 meters long, 1.5 meters wide, and 8 centimeters above the ground. The 80m shed requires a total of 7 nursery beds.
Seed treatment cucumber seed, black seed pumpkin seeds with 60 °C water. First pour the water into a clean container, and then put the seeds into the mix. When the water temperature drops to 25~30°C, remove it, put it in clean water to rub it, remove the slime of the seed shell, then use 30°C water. soak. Cucumber seeds are soaked for 4 hours before they are removed and wrapped in clean gauze. Then, the upper layer of small quilts is placed in the house during the day and can be placed in the greenhouse for germination at night. The temperature cannot exceed 35°C. Once the air is released once a day, the buds can be harvested after three days and the seeds can be sowed. Black seed squash seeds were soaked for 13 hours in addition to slime, which was removed by drying and sowing, without germination.
Before planting seedlings, the seedbeds were sprayed with water, and cucumber seeds were sown on the first seedbed. The seedlings should be sown as thin as possible, and the black seed pumpkin should be sown in the second seedbed. After the next kind of cucumber seedbed soil 1 cm. Then use 800 times the enemy liquid to dip the cover soil thoroughly, and then on the seedling bed mulch, the incubation temperature during the shed should be controlled at 35 °C, cucumber seeding three days after the emergence of one-third, this time can be The mulching film was sprayed, and water was sprinkled according to the situation. The chlorothalonil, zeocin, and thiophanate-methyl were sprayed once every 4 days.
After 5 days, when the cucumber seedlings are out, the temperature in the shed should be controlled at 27°C during the day and 14°C at night. After sowing, the pumpkin seed bed is covered with 2 cm soil, and the cover soil is thoroughly stricken with 500 times the enemy liquid. Then the membrane is inserted into the bamboo arch. The temperature should be controlled at 35°C. After the seedlings are removed, the plastic film and bamboo arches are removed and 400 times methyl is used. Topuzin liquid spray. Pumpkin seedlings are generally sown 5 days later than cucumbers.
Grafting grafting timing should be mastered in the seedling height of 8 to 9 cm, pumpkin seedlings really leaves the beginning of the first true leaf cucumber seedlings when the first exhibition, grafting as soon as possible, generally used by the graft method, grafted cucumber seedlings the day before spraying a drug. When grafting, the two seedlings were first removed from the seedbed, and the pumpkin seedlings were used as rootstocks. From the top of the cotyledon, the knife was placed at a 25-degree angle from top to bottom. The cutting was good and the grafting clip was clamped. Pumpkin seedlings should be placed outside the grafting clips.
After grafting, the grafted seedlings will be planted on the whole seedbed at an interval of 1010 cm. The side of the plant will be dredged with water and water. Be careful not to spill the water on the soil. The buried soil shall be about 2 cm away from the grafting clamp, and the side shall be planted. Insert bamboo arch, cover film, temperature within the arch shed should be maintained at 35 °C within 5 days, after 5 days should be controlled at around 27 °C, can not exceed 14 °C at night, should pay attention to pull the straw curtain at any time after transplanting, adjust the light in the greenhouse The strength was sprayed once every 6 days with chlorothalonil, dexamethasone, and thiophanate-methyl 400 to 500 times. After grafting for 10 to 15 days, the cucumber seedlings were transplanted and pulled out six days after the roots were cut off. At the same time, pay attention to changes in the seedlings, use straws to adjust the light intensity and temperature inside the shelter.
The best time for colonization and colonization is when grafting 3 to 4 true leaves of cucumber seedlings. Planting, according to the spacing of 27 cm, a small row of 40 cm, 80 cm row spacing, ridge height 20 ~ 25 cm is appropriate. When planting, the first true leaf of the seedling shall be directed to the sun side, covered with a mulch after planting, and then poured with water for easing seedlings. The temperature within the shed within 5 days after planting shall not exceed 35°C. After 5 days, the maximum temperature in the shed shall not exceed 30°C, and the temperature shall be controlled below 13°C at night.

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