The ideal temperature for wound healing after thermal grafting is around 25°C. In early spring, when the ambient temperature is still low, the seedbed temperature can be significantly affected by the weather. At lower temperatures, the healing process at the graft interface slows down, which can negatively impact the survival rate of the grafted plants. Therefore, it is crucial to place the seedlings in a tunnel greenhouse immediately after grafting. Once the seedlings have been placed, the plastic films should be tightly sealed to maintain warmth and moisture.
Temperature control in the seedbed is essential during the first few days. For the first 3 to 5 days after grafting, daytime temperatures should be maintained between 24–26°C, not exceeding 27°C, while nighttime temperatures should stay between 18–20°C, with a minimum of 15°C. After this period, ventilation should gradually begin, and the temperature should be slowly reduced. By day, the temperature can be lowered to 22–24°C, and at night, to 12–15°C.
Moisture management is also critical. If the air humidity in the grafted seedbed is too low, the scions may lose water quickly, leading to wilting and reducing the survival rate. To prevent this, the relative humidity inside the small tunnel should be kept between 85–95% for the first 3–5 days. However, the moisture content in the soil within the nutrient pots should not be too high, as excessive moisture can cause root rot and weaken the seedlings.
Shading is important to prevent overheating and maintain optimal humidity levels. This can be achieved by covering the greenhouse with light curtains or shade nets to block direct sunlight, which could cause the scions to wilt. Shading also helps retain heat during cooler nights. During low-temperature periods, some light should be allowed to reach the seedlings to promote healing. When temperatures rise, shading becomes necessary. Typically, two to three days after grafting, weeds can be removed in the morning and evening to allow weak, scattered light. The seedlings should be covered before and after noon. Gradually increase the time they are exposed to light, and stop shading completely after one week.
Ventilation should start once the grafted seedlings show signs of growth, usually 3–5 days after grafting. Initially, vents should be small, and the duration of ventilation should be gradually increased. Full ventilation is typically introduced after 9–10 days. While ventilating, it's important to monitor the seedlings closely. If wilting occurs, shading should be reapplied, and ventilation should be paused to avoid damage from over-ventilation.
After about a week, the rootstock’s lateral shoots should be removed. These shoots can compete with the scion for nutrients and hinder its survival. Removing them encourages the development of adventitious buds. It’s also important to promptly remove any shoots that emerge from the cotyledon nodes, as they can interfere with the scion’s growth. This task should begin approximately one week after grafting and continue for 2–3 days.
In addition, constantly check whether the scion remains fresh and shows no signs of dehydration. Once the seedlings are established, gradually introduce a larger temperature difference to strengthen their growth. For cucumber plants grafted using this method, it's important to care for them afterward. Remove the support band after 15 days and carefully cut the scion’s root with a clean blade.
Soluble Powder
Veterinary soluble powder is a type of medication that is designed to be dissolved in water before being administered to animals. This type of medication is often used in Veterinary Medicine to treat a variety of conditions, such as infections, parasites, and inflammation. The powder is typically mixed with a specific amount of water to create a liquid solution that can be easily administered to the animal either orally or through injection. Veterinary soluble powders are convenient and easy to use, making them a popular choice for treating a wide range of health issues in animals
Veterinary Water soluble powder is a type of medication that is in powder form and can be dissolved in water to create a liquid solution for animals to consume. This type of medication is commonly used in veterinary medicine to treat a variety of health conditions in animals, such as infections, parasites, and inflammation. The powder form allows for easy administration and accurate dosing for animals of different sizes. It is important to follow the instructions provided by a veterinarian when using veterinary medicine soluble powder to ensure the safety and effectiveness of the medication for the animal.
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