Types, etiology and control of garlic diseases

1. Types of garlic diseases

1, round leaves (also known as buckets)

The disease is mainly manifested in the garlic sprouts before this period of time, garlic leaves at the top of the barrel will be tightly wrapped in the barrel, resulting in capsule sprouts or broken.

2. Garlic power

That is, a multi-branch, grandfather-grandson, nutrition dispersion, trunk garlic sprouts nutrition deficiency, thin and short.

3. Spots

The disease is mainly manifested in garlic sprouts before the moss, garlic sprouts appear spots, white spots, yellow spots, red spots, etc., resulting in garlic moss rot or mildew.

4, garlic lemma red or flowering

Good garlic stalks have green palea and do not bloom, while infected garlic stalks bloom red as soon as they sprout and have not yet bent down.

5. Leaves yellow, withered and dead

This is a more serious disease of garlic. Once this disease appears, it will spread and spread, and even large areas or whole pieces will wither and die.

II. Causes of disease

Garlic has a wide variety of diseases and great losses. The main causes of diseases are as follows:

1. Garlic seed aging. It is understood that in some places since the joint production contract responsibility system or even before, garlic farmers still use the garlic seeds at that time, planted year after year, planted or old garlic seeds, varieties aging, degradation, more diseases.

2, soil aging, residual bacteria more. Most garlic farmers due to less land or irrigation and other reasons, repeated planting year after year, garlic field point corn; corn field placed garlic, such a vicious cycle, resulting in land can not be deeply turned, weeds overgrown, pests and diseases are extremely many.

3. No organic fertilizer. Especially without organic fertilizer such as pig manure and chicken manure, the soil hardened and hardened, and the degree of salinization increased.

4. There are few drugs to control garlic diseases, which can not meet or keep up with the needs of garlic disease occurrence and development.

III. Radical measures and countermeasures

1. Agricultural departments should serve garlic farmers, actively purchase and introduce high-quality garlic seeds, control the quality of garlic seeds, upgrade garlic seeds and optimize varieties.

2. Do a good job of soil stubble to prevent soil aging. Garlic planting plots should be adjusted and replaced frequently, not often.

3. Deep ploughing of the land to reduce weeds, pests and germs. Deep ploughing can bury weeds, pests and germs left on the surface of the soil deep underground, so as to achieve the purpose of sterilization and pest control.

4. Spray drugs to control pests in time to ensure the normal growth of garlic from pests and diseases.

5. Apply more organic fertilizer, especially pig manure and chicken manure, to keep the soil fluffy and soft, and provide a high-quality ecological environment for the good growth of garlic.