Moisture requirements for the growth of garlic
The garlic leaves are banded, the leaf area is small, the surface is waxy, the root system is small, the soil is shallow, the distribution range is narrow, the root hair is very few, and the ability of absorbing water is weak, so the garlic root is strict to water, sensitive to reaction, and the leaf is drought-tolerant. According to the morphological characteristics of garlic, the requirement of garlic for water is that sufficient water supply is required from sowing to seedling emergence, but the soil should not be too wet. If the soil tillage quality is poor, the soil moisture is not good, and the exposed soil is too shallow, the phenomenon of jumping garlic will appear, but if the soil is watered too much and the soil moisture is high, it is easy to cause rotten mother phenomenon, so from sowing to seedling emergence, the soil should be moist and not flooded. After emergence, the leaves grow rapidly and need more water, and sufficient water supply should be ensured during the bolting period. Water should be controlled before bolting, and bolting is not easy to break when the plant is slightly wilted, and immediately watering after bolting. To ensure that nutrients are transported to the storage organs, when the growth of garlic reaches the maximum, it is necessary to control soil moisture and promote the ripening of garlic to improve the quality and storability of garlic.
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Control techniques of garlic diseases in growth period
1. Garlic rust in case of heavy rainfall years, early spring timely inspection of the disease center, timely prevention, generally choose 15% triadimefon wettable powder 1000 times solution, or 15% triadimefon wettable powder 1500 times solution plus 70% mancozeb wettable powder 1000 times solution in early April to control the first time, 10 to 15 days later to control once, generally depending on the disease control 2 to 3 times. 2. Garlic leaf blight, leaf spot, gray mold, etc. 75% chlorothalonil wettable powder 800 times solution, or 64% kill
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Problems and Countermeasures in garlic production
Problems and countermeasures in garlic production Yongnian County is the only high-quality garlic production and export base in our province, with a planting area of 180000 mu and an annual output of more than 100 million kilograms of garlic bolts and garlic heads. In recent years, due to continuous cropping for many years, long-term asexual reproduction, improper planting and management methods and other measures, resulting in serious degradation of varieties, serious diseases and insect pests, yield stagnant. For this reason, we have conducted a systematic investigation. At present, there are mainly the following problems in garlic production in Yongnian County: the serious degradation of varieties leads to the degradation of varieties.
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