Gardeners often fail to create optimal conditions for the cultivation of garlic and onions. Not receiving proper care, they signal about the lack or excess of nutrients and moisture, and various pests lesion external features, in particular a color change foliage. Growers with more experience can easily determine why the onion and garlic whiten the tips of the feathers in time taking measures to save the crop, and are happy to share with others their experiences.
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Deficiency of nutrients
Problems during the growth of the onion crop most often occur due to improper soil plants. In soil with high acidity garlic and onion acclimatized bad. They not only weedy, pale leaves, but almost no developing follicles. Vegetables prefer slightly acidic and neutral soil, so the land on garlic and onion beds often needs a pre-liming ashes, chalk or dolomite flour.
If the vegetables are still planted in the wrong soil, the correct position can be emergency measures, consisting in the treatment of plants with a mixture consisting of:
- 1 cup of hydrated lime;
- 10 liters of water.
Instead of lime can take 2 or 3 cups of ash Art. l. calcium nitrate. After dilution spend watering, spending on each plant about 1 cup dressing. Deoxidizer based ash is desirable to prepare as follows;
- the substance is diluted in a small amount of boiling water:
- is poured into a container with a mixture of the remaining water.
Onions and garlic are like loose soil, providing oxygen to the root system. Its decline may also cause whitish foliage, so the beds with vegetables, you should regularly loosened.
The tips of the feathers turn white with a deficit of macro- and micronutrients, such as:
- nitrogen;
- potassium;
- copper.
When nitrogen starvation not only whiten the tips of the leaves. Feathers acquire the entire length of a pale yellowish green and shades. As an emergency conduct foliar and root feeding of plants. They are sprayed with 10% ammonia solution (3 tbsp. l. preparation of 1 a bucket of water) is poured or diluted in water in the same proportions of calcium nitrate.
If the stems with leaves preserved color and white with only the tips, onion and garlic in need of copper. Its shortage is more common in the peat soils of the plants. Eliminate copper deficiency recommended drugs such as:
- Hom;
- oksihom;
- PolyChim;
- Bordeaux mixture.
The treatment is carried out with aqueous solutions of 0.1% concentration of the substance.
Potassium deficiency is impersonating whitening and twisting feathers. Cope with it will help root feeding of onions and garlic with a solution of potassium chloride (3 tbsp. l. chemical 1 bucket of water).
Weather conditions and pests
Negatively on the state of the leaves of garlic and onions freeze affect. After they whiten not only tips but also the stems. Restore the vitality of the green mass can be the root fertilizing plants with a solution of urea (1 tbsp. l. fertilizers 1 bucket of water), or calcium nitrate (3 tbsp. l. 1 bucket of water).
Another unfavorable weather factor onion crops - cloudy. Found in wet soil bulbs are deprived of oxygen. The moisture rapidly developing fungal infections. Part of the problem is solved placing beds on the ground with good drainage. We do not recommend watering the onion and garlic too often.
Cause whitening tips of the foliage can be defeated plants onion fly. With parasite fighting sprinkling the plant beds and ash, by spraying a solution of ammonia or drug Fitoverm.
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