Diseases prone to the latest tomatoes

Tomato is also one of the common ingredients, in the case of vegetables in the greenhouse can basically guarantee the supply of four seasons, but some diseases of tomato are inevitable. Below, the pro-agricultural network will introduce you to some of the more common diseases so that you can have some understanding, and you also know what's going on in your heart.

1. Empty heart disease

The hollow heart disease of tomato is not obvious, more often you may have to press it by yourself. the time of occurrence is mostly concentrated in winter, and it is easy to appear when the temperature becomes larger and malnourished. When the plant is stunted, you can choose a few to try, and when you find that there is an obvious concave feeling when pressing, most of them will be. It is characterized by the state of being hollow inside. At this time, attention must be paid to temperature control and timely fertilization, so that it can grow back in the later stage.

2. Tendon rot

This is also one of the more common diseases, that is, people see something similar to a scar on tomatoes every day. When the disease is very easy to distinguish, first there will be local color abnormal, and then the color deepens, and finally form a brown scar, and even slowly spread to the inside. This only happens in the area where the disease occurs, and all other parts are normal. Don't be confused with other symptoms. Control must pay attention to the use of nitrogen fertilizer, not too much, and then spray the plant with 0.2% potassium dihydrogen phosphate solution.

3. Pedicle rot

Pedicle rot is a disease caused by the environment, which is rarely seen in daily management. The reason is that poor pollination leads to dysplasia in the later stage, coupled with frequent temperature changes in the later stage, so that the tomato can not develop completely. It turns out that there are smoky spots at the bottom of the tomato, which slowly become stiff and dry, and then spread throughout the fruit. This is mainly to do a good job in the early prevention work, the initial use of 0.3% potassium dihydrogen phosphate for prevention and control, the later stage to do a good job of management.

4. Grey mold

This is a disease that does great harm to the fruit, and the disease expands very fast, so it must be dealt with in time, mostly caused by germs. When the disease occurs, it is mostly concentrated in the tomato stalk, which begins to change into a brownish-yellow color, then slowly soft rot, and finally mildew causes the fruit to fall off. The disease body is removed directly, and it is necessary to take it out of the farmland, and then use 2000 times of 50% Sukeling wettable powder for prevention and treatment, and the excuse to remove the disease must be sprayed in place.

The above are some common diseases of tomatoes, these diseases are mainly harmful to the fruit, we must pay attention to prevention and control. Now the planting pays attention to scientific management, so we must put the management in place when planting, and do not manage it with the mentality of being indifferent to planting, which can easily lead to a reduction in production.