Leaf Curling in tomato: the main causes

Many vegetable growers are faced with such a problem as the Curling of leaves in tomato. Like buy only tested seed, caring for seedlings is carried out with observance of all rules... But here comes the hot summer, and then the problem starts with the seemingly healthy plants. Still no reason to get sick tomatoes are unable, therefore, to understand and identify the reasons for the sudden deterioration of their appearance. The more that depend on this next harvest.

Causes leaf roll in tomatoes may be due to the unbalanced feeding. Gardeners fertilize the seedlings with nitrogen and organic fertilizers, while forgetting about the phosphorus, potassium and zinc. Under phosphate starvation in plants the tip becomes grayish in color, appear purple-red streaks. With a lack of potassium leaves curl up, the growing point dies, the fruit not ripening, covered by apical rot. The Bush itself is small, it is rapidly developing necrosis. The leaves turn pale, then turn brown. Excess zinc is easy to find a collapsible down to old shoots. Leaf Curling in tomato can also speak of a deficiency of sulfur, copper and boron.

To combat this phenomenon is only possible through application of complex, well-balanced fertilizer, such as “Rastvorima” or “Monophosphate potassium”. It is not necessary to amend the soil a large amount of slurry or insufficiently rotted manure, as excess ammonia often provokes damage to the fruit, and burn leaves. Oddly enough, but to hurt the tomato can and excessive watering. Monitor the soil moisture, of course, necessary, the main thing - do not overdo it.

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Heat waves also cause leaf Curling in tomato, and it doesn't matter where the seedlings grow – in a greenhouse or outdoors. In may and June it so happens that the earth has not yet warmed up, the day is quite hot, and the night colder. Such temperature changes adversely affect the plants because the accumulation of nutrients slows significantly, but their decay is accelerated. In this case, it is necessary to ventilate the room, greenhouses, create drafts, pritenyat seedlings, covering her from the sun.

If leaf Curling in tomato is the result of a high temperature, for stress relief, you can spray the bushes with urea (10 liters of water is added to article 1.5. tablespoons fertilizer). After a couple of days worth of processing tomatoes by potassium permanganate - then the top will be straightened. If all the rules of growing vegetables followed, and the curl is still there, the cause probably lies in a bacterial infection that has been infected seeds. It is impossible to cure, but to stop the spread of the disease for each. To do this, you should use the drug “Avicel” or something similar.

A Variety of pests also often attack tomatoes. Sprouts (leaf rolling can be observed in young plants) may suffer from aphids or other insects. The problem itself is not resolved, therefore you should immediately buy a special product for pest control and spray the bushes. The choice can be stopped on “Furanone”, “Bioline”, “Alatare” etc.