How to graft greenhouse cucumbers?
The sowing period depends on the age of the seedlings and the planting period. Cucumber seeds are sown 5-7 days earlier than pumpkin seeds. About 15 days after cucumber sowing, the cotyledons of cucumber seedlings turn from yellow to green and fully expand, and the second true leaf is slightly exposed. The cotyledons of pumpkin seedlings unfold and the first true leaves are revealed as the best time for grafting. First use a bamboo stick to dig out the growth point of the pumpkin seedling, and then use a blade to make a 45-degree incision at the top of the pumpkin seedling about 1 cm away from the cotyledon. The mouth depth is about two-thirds of the stem thickness, and then use the blade Cut the upper part of the cucumber about 1.5 cm away from the cotyledon with a 45-degree incision, the depth is about two-thirds of the thickness of the stem. After the two melon seedlings are cut, immediately align the cucumber seedling to the cut surface of the pumpkin seedling, and align it. The joint is inserted properly, leaving no gap in the incision, and then the grafting clamp is used to fix it close to the cucumber seedling. When grafting, strive to be accurate, fast and clean.
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