Plants

Diseases tomatoes

Features of tomato cultivation

The tomato, scientific name Solanum lycopersicum, belongs to the Solanaceae family; it is a plant native to South America, imported by Christopher Columbus and his missions. It is widespread throughout Italy due to its productivity and popularity in our dishes. The green parts of the plant are considered toxic even after cooking, the fruit instead is edible rich in nutrients despite the rather moderate caloric regime. Tomatoes exist in various species and in cultivation the one that best suits the soil and local climatic conditions should be preferred. It does not withstand too cold temperatures for this is an annual crop. It also suffers from humidity and excessive heat which can cause a number of diseases and plant diseases.

Rust and gray mold, main diseases in tomatoes


Among the most known and fearful tomato diseases for our crop, Rust should be analyzed. The symptoms of Rust are represented by concentric blackish spots that affect both the leaves and the stems and fruits of the tomato shrub. Damaged parts must be removed and burned immediately. Furthermore, since May it is necessary to operate with specific fungicides to prevent the formation of rust. The treatment should be repeated at least twice with an interval of two weeks. Another disease is gray mold, this among the tomato diseases is one of the most serious. It is caused by too hot and humid weather and shows brown gray spots on both sides of the leaves. Also in this case it is necessary to work with chemical agents in a preventive way,

Downy mildew of tomato


Among the most well-known tomato diseases, tomato blight should not be forgotten. This is caused by a pathogenic fungus called Phytophthora infestans. This fungus can attack both the leaves and the fruits of our tomato, leading to a significant loss in production. In the fruits brownish spots and other symptoms of dehydration and desiccation are created which lead as a final consequence to the detachment of the completely dried fruit. It is necessary to operate on a preventive level, directing the selection towards specimens more resistant to attack by fungi. It is not natural to work with chemicals but these become inevitable to fight the tomato blight. There are several products that allow you to fight it effectively, we remind you in this article the Anilazine,

Diseases tomatoes: Septoria and verticillium


The latest tomato diseases we analyze are much rarer than, for example, downy mildew, but just as fearsome and dangerous for our crop. Septoriosis occurs through grayish circular spots with internal dots. Another typical symptom is the rapid drying and fall of the affected leaves. It is necessary to remove and burn the affected plants and treat the others with specific chemicals. Verticillium is a soil fungus that hinders the absorption of nutrients and in particular does not allow water to reach the tomato plant. Symptoms of this disease are the characteristic yellow leaves that tend to dry out and curl up. The treatment to be applied is the

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