Garlic is the most commonly used seasoning vegetable in our daily dishes. It is often eaten with good bactericidal effect. Garlic has the function of preventing colds. However, in the process of garlic planting, garlic growers may find such a problem. In the middle to late stages of garlic growth, garlic often has dry and yellow leaves. What is the cause? What is it? Prevention measures?
Analysis of the causes of the dry yellow leaves of garlic:
1. Planted in the same vegetable field for many years: Long-term continuous cropping of garlic will cause more harmful organisms accumulated in the soil, and the probability of occurrence of pests and diseases will increase. Insufficient soil nutrients lead to weak plants.
2, the normal physiology of garlic: this physiological phenomenon generally appears in the lower part of the plant 1-4 leaves, red skin garlic occurs in the six-leaf stage, white-skin garlic occurs in the ten-leaf stage.
3, the impact of cultivation measures: the root system of garlic is like wet root system, the soil is too dry or too wet, or the density is too large, it is also prone to yellow leaves dry tip.
4. Climate change: Garlic is a cool vegetable. When the weather is hot, the water transpiration of the garlic leaves increases, and the nutrient consumption increases. The top of the leaves of the garlic plants will produce yellow leaves due to water loss, resulting in a dry tip.
5. Degeneration of garlic plants
6, the occurrence of garlic pests and diseases caused by dry yellow leaves
Prevention and control measures for dry yellow leaves in garlic:
1. Appropriate rotation: Garlic should be rotated with crops such as melons, solanaceous fruits or corn in the rotation.
2, preferred garlic species: large petal, storage nutrients, seedlings robust, strong resistance, garlic thick, large garlic, high yield, excellent quality. In addition, it is necessary to introduce a good variety of detoxified garlic in a planned manner.
3, suitable sowing: sowing in the weather suitable for garlic sowing, about 20 degrees Celsius.
4, fertilization should be carried out scientifically
5, to prevent the occurrence of pests such as garlic
6, cultivating
The above content is probably the reason for the dried yellow leaves of garlic and its prevention measures. I don't know how everyone knows?
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