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Persimmon Tree Disease Prevention and Control Methods and Key Technical Points
Fertilizer and water management during the flowering period in an ecological persimmon orchard is an indispensable specific measure. Its purpose is to push the persimmon tree's growth rhythm to a peak. By emphasizing nutrient supply, it achieves the best effect in preserving flowers and fruit. In this way, all inappropriate means and measures in the management of the persimmon orchard during the flowering period are eliminated. It not only effectively...
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What are the control methods for sweet potato skin splitting
The diseases that cause sweet potato skin splitting include blank blister disease and nematode disease. Control measures: 1. Select resistant improved varieties. 2. Establish disease-free seed production fields and cultivate disease-free strong seedlings. Disinfect seed potatoes by soaking them in warm water at 50°C-54°C for 10 minutes. 3. Carry out soil disinfection. Use 1.5 kg of 80% dibromochloropropane per mu mixed with 100-150 kg of water to prepare a medicinal solution, or use 2.5 kg of 70% ethylene dibromide mixed with 200-300 kg of water to prepare a medicinal solution, apply the pesticide in furrows 20 days before planting and immediately cover with soil and form ridges. 4. Rotate crops. Rotation with peanuts gives better results and can be done for one year. Rotation with corn (2349, 8.00, 0.34%) and sesame requires a longer time, preferably 2-3 years.
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What are the main diseases of radishes? Detailed explanation of control methods
Radish is an annual or biennial herbaceous plant of the genus Raphanus in the Brassicaceae family, and is one of the main vegetables in the root vegetable category. Radish has a large uptake of nitrogen, phosphorus and potassium, and is a high-yielding crop with high fertilizer requirements. For every 4000 kg of radishes produced, approximately 8.5 kg of nitrogen, 3.3 kg of phosphorus pentoxide, and 11.3 kg of potassium oxide need to be absorbed from the soil...
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Control methods for pests that feed at the door in spring on jujube trees
Autumn management of young jujube orchards mainly involves controlling fertilizer and water, strengthening loosening of the soil, promoting continuous thickening and lignification of the trunk, and creating good conditions for young trees to overwinter. The key technical points for autumn management of young trees are summarized as follows: Control irrigation. Jujube trees are drought-tolerant, prefer warmth, sprout late, and shed leaves early. Young trees should be watered appropriately, with the basic principle...
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How to scientifically prevent and control strawberry pests and diseases? A full analysis of methods and techniques
Under normal growth management of greenhouse-cultivated strawberries, deformed fruit accounts for 10%-20%. However, when varieties are improperly selected or the ecological environment does not meet the growth needs of strawberries, the proportion of deformed fruit often increases, sometimes reaching as high as about 50%, resulting in reduced yield and low returns. Common deformed fruits include crooked and flat fruit, plump fruit, aggregate fruit, protruding...
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How to prevent and control strawberry snake-eye leaf spot? Detailed introduction to prevention and control methods
It mainly damages the leaves, and also damages the petioles and fruit stalks, making it a common disease of strawberries. 1. Symptoms. In the early stage of the disease, small dark purple spots form, which then expand into nearly round or oval lesions. The edges of the lesions are purplish red, and the centers are grayish white or grayish brown, with slight concentric rings, making the entire lesion resemble a snake eye. On the...
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Detailed Explanation of Main Pest and Disease Control Methods for Loquat
Loquat is evergreen year-round, blooms in autumn and winter, sets fruit the same year, and is harvested the following year. It begins blooming in September, and the flowering period lasts 2-3 months. If the flowers and fruit are protected through the winter (more than 10% of flowers and fruit), a bumper harvest can be achieved. However, from the time loquat is harvested in the current year (May-June) until the fruit is harvested the following year, various pests and diseases occur and cause damage,...
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A detailed guide to cabbage aphid control methods, effectively controlling the harm of vegetable aphids
Control methods for cabbage aphids
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How to Treat Aphids Effectively? A Complete Guide to Practical Control Methods
What Is the Best Way to Treat Aphids?
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