Zhazi refers to the formation of garlic bulbs. In the process of forming garlic cloves under abnormal climatic conditions, the top buds grow a lot of slender clusters like ponytails, so the growers call it “Zha Xiaoyu†or "horsetail garlic." This phenomenon caused the new leaves to not grow normally, the leaves could not be unfolded, the vegetative growth was blocked by photosynthesis, the garlic stalks were slow and short, and the garlic stalks were loosely arranged. Seriously affect the yield and quality of garlic.
First, the cause of the garlic "smashing"
1, improper selection of garlic
Garlic “Zha辫†is also called “secondary growthâ€. The hereditary and variety purity of garlic is the main factor causing the secondary growth of garlic. The garlic selected in some areas is not pure, and it is not suitable for local planting. Secondary growth. In addition, the quality of the selected garlic is too poor, the difference in the size of the garlic cloves, and the yellowness of the stems are all prone to "sanding".
2. Improper sowing date
Garlic cloves are formed by the lateral buds of the leaf buds on the bulbs. They are affected by temperature, light, nutrients, etc., so they are blindly pre-sowed, and soon after the sowing, the flower buds and buds are differentiated in advance. There is a phenomenon of "sanding" in the secondary growth.
3, improper handling of garlic
In some places, garlic farmers prefer to treat the garlic in a cool or low temperature before sowing, and then sow it to promote the early germination of the garlic. However, this will cause the outer and inner leaves of the garlic plant to be properly differentiated. The buds are delayed in dormancy, so that secondary growth occurs and the phenomenon of "sanding" occurs.
4. Improper cultivation management measures
Mainly due to improper management of fertilizer and water, excessive application of nitrogen fertilizer caused the garlic petals to delay dormancy, resulting in secondary growth. In addition, the unscientific watering is also an important reason for the secondary growth of garlic. Especially after the bud bud differentiation, the watering times are large, which will increase the incidence of secondary growth of garlic.
Second, preventive measures
1. Select high-quality garlic: Firstly, choose the suitable detoxified high-quality garlic seeds for local cultivation. The selected garlic seeds should be white, top buds, and disease-free, and must be resolutely eliminated from broken buds, rot, and stems. Yellow garlic cloves.
2, choose the appropriate sowing period: Generally speaking, the spring sowing garlic is planted around the middle of March, the average daily temperature is 3-6 degrees Celsius, and the autumn sowing garlic is in the middle of late September to mid-October. The average daily temperature is 20- Sowing at 22 degrees Celsius, the specific sowing time is determined according to the climatic conditions and varieties planted locally, and it is not possible to blindly plant early.
3, appropriate garlic treatment: before planting, the garlic will be dried in the sun for 2-3 days, making the garlic between the loose, easy to garlic. When the seed is peeled off, the garlic peel is removed to remove the residual stem disk, which can reduce the secondary growth of the garlic, and can make the sprouting early and the seedlings tidy.
4. Strengthening the management of fertilizer and water: In the whole growth period of garlic, sufficient fertilizer and water supply is needed, but it is not suitable for one-time multi-water and fertilizer. In the seedling stage, the garlic needs less water, and generally does not need watering. For the autumn sowing garlic, it can be applied in combination with Guoguang to apply 5-10kg/mu of water to promote strong seedlings. In the elongation period of garlic, it should be poured in small water, usually watering once every 7-10 days. When the garlic is inflated, the water needs to be the largest. It is still mainly watered with small water, and the soil water content is 70-80%. Generally, the water is poured once every 5-7 days. This is the key period for the expansion of the garlic. It can be combined with watering. Trace element water soluble fertilizer 5-10kg/mu to promote the expansion of garlic cloves, prevent or reduce the phenomenon of garlic "saling".
In summary, the emergence of garlic is a sign of poor growth, which has an impact on yield and quality. Farmers can prevent or reduce garlic stagnation by rational selection, strengthening field management of garlic, and paying attention to fertilizer and water management.
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