Diseases Of Garlic. Part 2

2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38

Photo: Konstantin Gushcha / Rusmediabank.ru

We continue our conversation about the diseases of garlic.

Start here.

There is such a disease as a mosaic of garlic. In such plants, leaves and inflorescences are affected. Outwardly, the disease is easy to notice: either specks or stripes appear on the leaves, painted in light green tones, cream or white. Such stripes and specks will be extended along the entire length of the sheet. Infected leaves will be stunted, and sometimes the leaves may even become corrugated. Over time, such leaves will begin to wither and, in the end, dry out altogether. As for the arrows of the infected plant, they are slightly curved, they will also have longitudinal mosaic stripes. The inflorescences also do not receive proper development, the structure itself turns out to be rather loose. Diseased plants cannot grow further. The virus will spend winter in the bulb. This disease will be transferred from plant to plant by a four-legged garlic mite. A high temperature will be favorable for the development of the disease, the disease can manifest itself both during vegetation and already during storage of garlic.

As for the methods of combating such a disease, it should be noted that the main thing will be to protect the plantings from the carriers of this virus. It is recommended to use insecticides against such parasites, for example, intavir. Diseased plants from the beds during the growing season must be removed, because after harvesting it is impossible to distinguish outwardly diseased plants from healthy ones from a purely external view. This is especially true for yellow dwarfism. After the harvest has been harvested, the garlic must be dried for at least ten hours and at a temperature of forty degrees Celsius.

Now we turn to the consideration of fungal diseases of garlic. The most dangerous and common disease is considered to be downy mildew, known as peronosporosis. The disease manifests itself as follows: pale green spots become noticeable on the leaves, over time these spots turn into a grayish-purple bloom. As for the tops of the leaves, they will turn yellow and gradually begin to die off. The disease spreads quite quickly: infected plants will grow very slowly, and the total mass of the bulb will approximately halve. Wet weather will be favorable for the development of this disease. The infection is a mycelium and it will persist on the bulbs themselves without causing rotting. In winter, the spores of this fungus will remain on the remains of the plant and will become a source of infection in the future.

As a fight against such a disease, it is necessary to exclude both watering and feeding plants with nitrogen. The leaves should be sprayed with a fungicide solution based on copper. Spraying with copper sulfate is also optimal; tar soap should also be added to such a solution. Diseased plants should always be completely removed from the beds. The bulbs are dried in the sun after harvest, and then stored for several weeks in a well-ventilated room.

Another dangerous disease will be the rot of the bottom of the garlic, which is also called fusarium. Signs of this disease can be seen already in the garden, even during the ripening period of garlic. Initially, the disease manifests itself as follows: softening of the bottom, and subsequently a rather abundant mycelium, painted in white or yellow, will grow here. The roots of an infected plant will rot, and the leaves will begin to turn yellow and then die off. The disease develops more actively at the time of ripening of the bulbs, when there is high humidity and high temperatures. As for the source of infection, this role can be played not only by the planting material, but also by the already infected soil.

As a measure to combat this disease, both soil and planting material should be disinfected before planting. For this purpose, a solution of copper sulfate is suitable. Garlic should not be planted after potatoes - this should also be remembered, this measure will prevent such a disease.

Part 1.

Part 3.