The shrubs of the summer stalks are prone to wilt disease. The grafting can prevent the occurrence of the blight of the squash and increase the yield of the squash. However, if the grafting technology is not well-handed, the survival rate of grafting will be low, which will affect the yield and benefit. The measures for improving the survival rate of grafted squash are briefly described as follows: Cultivating strong seedlings and strong seedlings is the basis for raising the survival rate. Seedlings require thick stems, green leaves and flat cotyledons, and no caps are unearthed. In particular, stem diameter has a greater influence on the survival rate, and it is necessary to make the rootstock of the rootstock and scion the same as possible. Reasonable Control Humidity The first 3 days after grafting, the humidity should be controlled at 96%-98%. It is required to be irrigated after grafting, and sealed tightly around it to prevent the cold wind from entering, so as not to affect the survival rate of grafting. After 3 days, the wounds healed, and the air humidity was appropriately reduced. Generally, the air was ventilated twice a day. Afterwards, the ventilation time was gradually extended, and the shade net and arch shed were promptly removed according to the conditions so that the seedlings gradually adapted to the external environment. Reasonable control of temperature and temperature management is the key to improve the survival rate of grafting. When grafting, it is necessary to do a good job of insulation and cold-proof work. When the seedlings are suitable for grafting, they must be selected on sunny days and timely grafted. When grafting, shades with high shading rates should be used for shading, so that grafting Keep a certain temperature in the shed to prevent high temperature or low temperature caused by high temperature burns and wounds, affecting the survival rate of grafting. The seedling management process should prevent excessive soil moisture from causing damping-off. When grafting seedlings, add carbendazim or thiophanate-methyl disinfectant to the poured water. Re-watering, so as not to over-watering, affect the healing of the wound. If you are too dry when growing, you can use a small amount of water.
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