Types, causes and control measures of garlic diseases
First, the types of garlic diseases
1, round leaves (also called buckets)
The disease is mainly manifested in the period before the garlic is not released. The leaves on the top of the garlic are in a round barrel shape, and the garlic is tightly wrapped in the drum, causing the capsule to collapse or break.
2, the right to garlic is a multi-branched, grandfather grandson, nutrients scattered, the main garlic is not enough nutrition, thin and short.
3, the spot is mainly manifested in the garlic before the moss, the garlic skin epidermis spots, white spots, yellow spots, erythema, etc., causing the decay or mildew of the garlic.
4, garlic cloves red or flowering garlic clams are blue-green, not flowering, and the diseased garlic clams just out of the sputum, not bent down, it will bloom red.
5, yellow leaves, withered death This is a more serious disease of garlic. Once the disease appears, it spreads and spreads, and even large pieces or whole pieces die with death.
Second, the cause of the disease
There are many kinds of diseases in garlic, and the losses are extremely great. The main causes of diseases are as follows:
1. Garlic aging It is understood that some places have been used since the contract responsibility system of the joint production, even before, the garlic farmers still use the garlic at that time, planted year after year, planted or planted or old garlic, variety Aging, degeneration, and more diseases.
2, soil aging, more residual germs, most of the garlic farmers due to lack of ground or irrigation, etc., replanting years after year, corn in the ground; corn in the corn field, so vicious circle, so that the land can not be deep, weeds Crowded, there are many pests and diseases.
3. There is no organic fertilizer, especially organic fertilizer such as pig manure and chicken manure, which causes the soil to harden and compact, and the degree of salinization is aggravated.
4, less drugs to prevent garlic disease, can not meet or can not keep up with the development of garlic disease.
Third, the root of the measures and countermeasures
1. The agriculture-related department should serve the garlic farmers, actively purchase and introduce high-quality garlic seeds, turn off the quality of garlic, and update the varieties of garlic and optimize the varieties.
2. Do a good job of land collapse to prevent soil aging. The plots for planting garlic should be diligently adjusted and replaced, and should not be replaced frequently.
3. Deeply turn the land to reduce weed pests and germs. Deeply ploughing the land can deeply bury the weed pests and germs remaining on the surface of the soil underground, and achieve the purpose of sterilization and pest control.
4, timely spraying drugs to prevent pests, to ensure the normal growth of garlic is not affected by pests and diseases.
5, more organic fertilizer, especially pig manure chicken dung, etc., to maintain the fluffy and soft soil, provide a good ecological environment for the good growth of garlic.
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