The causes and methods of eliminating the twisting of leaves in tomatoes.
Content
Twisting of leaves is a common problem that gardeners face when growing tomatoes. This can happen both on open ground and in greenhouses. There are many reasons why the leaves are twisted. In this article we will tell you why this is happening, and how to deal with this situation.
The leaves of tomatoes in the greenhouse are twisted: Causes
Mostly twisting of the leaves contributes to improper care of plants.
The main reasons for twisting leaves on tomatoes:
- Heat. With an increase in temperature above 35 degrees, organic substances that come to tomatoes are incorrectly decomposed, forming salts that do not feed the root system of plants. Because of this, the leaves are twisted.
- Incorrect stepson and pinching mode. It is usually observed during the period of active vegetation, when pruning and subsequent pinching of tomatoes are performed. Excessive removal of sprouts just helps to twist tomatoes. The most interesting thing is that subsequently this can cause complete falling out of foliage and lack of crop.
- Negatively affects the state of tomato leaves insufficient watering Or vice versa, high humidity. Accordingly, it is necessary to constantly control the humidity in the greenhouse. In no case do not fill, and also do not dry tomatoes.
- Incorrect introduction of mineral fertilizers. An excessive amount of organic fertilizers or a lack of phosphorus leads to twisting the leaves. If this is a lack of phosphorus, then in addition to twisting the leaves, purple-red veins are observed, the shade of the leaves becomes grayish.
- Cancer of the plant. It is usually manifested not only by twisting the leaves, but also by the appearance of cracks, as well as ulcers on the stems. If you notice this, then cultures must be dug, because subsequently the fruits will not be suitable for eating.
- The presence of whiteflies or aphids. These insects suck in plant juices, so the ends of tomatoes dry and twist.
- Viral plant diseases. There are several types of viruses that affect tomatoes and lead to twisting the leaves. The most interesting thing is that such diseases are not treated, therefore it is necessary to devote maximum attention and time to prevention. It is necessary to prevent the twisting of tomato leaves in the greenhouse.
What to do if the leaves of tomatoes in the greenhouse are twisted?
There are several rules, adhering to which you can avoid twisting the leaves and get a good harvest of tomatoes.
Ways to eliminate twisting leaves:
- Constantly ventilate the room in the greenhouse. This will help reduce air humidity and rapidly drying the upper layers of the soil. Which prevents the appearance of twisting, propagation of bacterial and fungal flora in the upper layers of the soil.
- To cope with the twisting of the leaves in the greenhouse, you can increase the amount of watering. Please note that this does not apply to an increase in frequency. An ideal option is watering tomatoes once a week, but in large portions. It is necessary to increase the amount of moisture by one and a half times in order to prevent such a problem.
- It is necessary to use the correct fertilizers. One of them is the drug solution. If you use organic fertilizers, in no case should you use fresh or insufficiently bustled manure. You can bring it to the soil, only that substance that is well intertwined. It can be diluted in water, used for watering tomatoes, because a concentrated solution can cause not only twisting, but also burns of leaves, and tomato stems, as well as further death.
- In the case of twisting tomatoes due to bacterial lesion, it is best to spray the bushes with the drug Avixil. With it, it will be possible to suspend the reproduction of bacteria. But it is best to tear out and burn such bushes.
- If twisting occurred due to the appearance of insects, such as whiteflies or aphids, it is necessary to treat them with Tanrek, Fufanon, Alatar.
- If you notice that in addition to twisting the leaves, the stem of tomatoes is significantly thickened, This indicates a large amount of nitrogen. Perhaps you overfeed with organic fertilizers. To get rid of the consequences, it is necessary to rinse the upper layers of the soil.
- If you notice a huge amount of green mass along with twisting leaves, This means that tomatoes must be stuffed and pinch. After a couple of weeks, the leaves will deal.
Prevention of twisting leaves in tomatoes
Preventive measures:
- To avoid such problems, it is best to choose stress -resistant varieties, as well as those that are quite strong, feel good, are not infected with bacterial and viral infections
- Before planting, the seeds must be pulled by sulfuric acid or potassium permanganate. Some recommend using saturated sulfuric acid in order to kill viruses and bacteria
- Water tomatoes correctly and add organic fertilizers
As you can see, there are a huge number of reasons for the appearance of twisting on the leaves of tomatoes. With proper care of tomatoes, it will be possible to get rid of not only twisting the leaves, but also get a good harvest in a small area. The main advantage of growing in the greenhouse is that it is very easy to control the temperature and humidity. Accordingly, there are practically no situations in greenhouses that the gardener cannot control.