What to do if watermelon seedlings grow too tall
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What to do if watermelon seedlings grow too tall
When germinating watermelon seedlings, the temperature at night can be lowered, increasing the day-night temperature difference, and properly adjusting light, temperature, and humidity. Maintain good ventilation in the environment. Before fruit setting, it is best to avoid excessive and frequent watering and fertilizing, especially controlling the application of nitrogen fertilizer. It is also necessary to do a good job of pruning, pressing vines, and pinching the growing tips to adjust the nutrient distribution of the watermelon plants, controlling excessive vegetative growth, and reducing the occurrence of excessive growth.
What does excessive growth of watermelon seedlings look like
When watermelon seedlings grow vigorously, they tend to exhibit excessive growth, with internodes continuously elongating upwards, the petioles and leaves becoming longer, the leaf color becoming light green, the leaf texture becoming thinner, and the female flowers appearing later.
Reasons for excessive growth of watermelon seedlings
The reasons for excessive growth of watermelon seedlings are varied, mainly due to high nighttime temperatures, excessive watering, insufficient lighting, and excessive application of nitrogen fertilizer. Seedlings with excessive growth have poor adaptability to low temperatures and often result in significant seedling retardation when encountering adverse external environments, easily leading to frost damage.
Methods for dealing with excessive growth of watermelon seedlings
When germinating watermelon seedlings, the temperature at night can be lowered, increasing the day-night temperature difference. Under conditions of insufficient lighting, it is appropriate to lower temperature and humidity to inhibit vegetative growth and promote reproductive growth. Properly adjust light, temperature, and humidity, maintain good ventilation in the environment, and before fruit setting, it is best to avoid excessive and frequent watering and fertilizing, especially controlling the application of nitrogen fertilizer.
During the growth period of watermelon seedlings, pruning is also necessary to reduce the occurrence of excessive growth. Measures such as pruning, pressing vines, and pinching the growing tips should be taken to adjust the nutrient distribution of the watermelon plants and control excessive vegetative growth. However, if conditions such as overcast and rainy weather, low temperature, and insufficient lighting affect the plants, these measures can easily lead to the occurrence of various diseases.
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