1, reasonable watering
When garlic enters the convulsive stage, flower buds and scale buds rapidly differentiate and gradually enter into the growth and progression of garlic sprouts and garlic bulbs. At this time, the leaf area reaches the maximum, the root system also expands to the maximum range, and the garlic sprouts grow rapidly, which is the period when the water demand is maximum. The lack of water will hinder the growth of the plants and cause the garlic sprouts to have uneven thickness. When picking, it will be difficult to pull and break because of tightness. Therefore, it is necessary to water the pumping water in time. Water should be continuously watered after the “present tailâ€, and watering is usually done once every 5-7 days to achieve the purpose of promoting seedlings with water, until watering is stopped 2-3 days before harvesting, and the plants are slightly wilted by shallow hoeing and loose soil. So that "loose" is easy to pick. Pay attention to the protection of the leaves and roots when convulsions, prevent the premature decay of the leaves, reduce the production of organic nutrients, and hinder bulb expansion.
2, re-apply phosphorus, potash fertilizer
After the garlic was rotten, the flower buds and scale buds gradually differentiated into the elongated stems. In this period, a large number of new roots of old roots are sensationally occurring. At the same time, the stems and leaves and garlic sprouts are also rapidly elongating. The garlic also slowly begins to expand. Sufficient phosphate and potash fertilizers can promote the growth of garlic sprouts and the expansion of garlic cloves. Phosphorus and potassium fertilizers to improve the quality and yield of garlic. It is recommended to use compound fertilizer or organic fertilizer for flushing to meet the nutritional requirements of garlic and to promote the rapid growth and vigorous growth of garlic sprouts.
3, remove weeds
March warming is conducive to the growth of weeds, weeds grow too fast and garlic to win light, compete for water, compete for nutrients, resulting in garlic due to lack of nutrients and the emergence of small and scattered garlic, garlic field mainly in broad-leaved and monocotyledonous Grasses and weeds are the main crops. Weeds can be removed during the management process. You can also use the taro to plow and weed the garlic in the rows to increase the permeability of the soil and facilitate the growth of the roots. Note: Herbicides must not be used for field weeding at this time to prevent herbicides from floating on the leaves and stems of the garlic, resulting in dead leaves.
4, rational use of planting agent
The suitable temperature for the development of garlic stems and bulbs is 15-20°C. When the temperature exceeds 26°C, the plant's physiological conditions are imbalanced, stems and leaves gradually dry out, and the underground bulb growth tends to stop slowly. At this time, the plant growth regulator (S-receptor) + foliar fertilizer can be sprayed on the leaves to adjust the opening and closing of the stomata of the leaves, reduce the transpiration of the water, increase the drought resistance of the garlic, and reduce the high temperature and drought. Damage caused.
5. Pest control
The occurrence of leaf blight in garlic is severe. At the early stage of the onset of leaf blight, the white tip of the garlic appeared on the leaf tip of the leaf blight, or a hazel-orange lesion appeared on the surface of the leaf blade. When the disease was severe, the leaf blade died, the base was rotted, and the garlic plant was lodging. In the early stage of the disease, it can be controlled by using the Al-Al-Mn-Zn+cyanamide-water solution spray. The main pests of garlic during the convulsion period are root fleas, thrips and aphids. Root pods will eat garlic bulbs, cause bulb rot, harm the root system of garlic, and reduce the absorption capacity of the root system. For the root can be used to control the poisoning of poisonous arrows. However, when the thrips take garlic leaves, they will cause the leaves to become hard and deformed, resulting in insufficient supply of nutrients and serious loss of water to the garlic. The phenomenon of “ponytail†of garlic is formed, which seriously affects the quality and yield of garlic pods. Imidacloprid can be used for thrips. Spraying for prevention and treatment.
6, growth regulation
The convulsive period is the symbiotic stage of garlic garlic sprouts and garlic cloves. Reasonable growth regulation can promote the extraction of garlic sprouts on the one hand, and can promote the transfer of nutrition from the aboveground parts to the garlic cloves on the other hand to achieve the balance between vegetative growth and reproductive growth. In the convulsive period of garlic, potassium dihydrogen phosphate fruit + triacontanol cytokinin + calcium fertilizer can be used for foliar spraying to promote the transfer of organic nutrients from the leaves to the underground bulbs and promote the expansion of garlic cloves. Note: According to the growing situation of garlic, the amount of medication and the number of medications can be adjusted appropriately. Generally recommended 2 times, interval 7-10 days, mu water consumption is 30kg.
Garlic convulsions are a process in which vegetative growth and reproductive growth go hand in hand. Management during this period will directly affect the convulsions of garlic and the swelling of garlic cloves. Therefore, we must master the cultivation and management of garlic during the pumping period, in strengthening the management of fertilizer and water, pest control and prevention, but also the scientific and rational use of plant growth regulators, so as to make high quality and high yield of garlic.
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