2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
The Savior of the World - Beauty, herself needs devoted defenders to survive in this world. Many ill-wishers and open enemies are trying to squeeze her out of the light. This situation is especially typical for beautiful plants, including gladioli, which cannot always resist pests on their own, and therefore rely on the help of a grower
Fusarium and Rhizoctonia tuber
The love of gladioli for humidity also has a negative side. After all, where moisture lives, there is always a place for microscopic fungi that love to feast on the roots, tubers and leaves of plants.
Moreover, the disease overtakes the bulbs of gladioli both when they are in the soil, accumulating reserves of nutrients, and when they wait out frosts, lying on the shelves of storage facilities. The difficulty of detecting the disease in the early stages of development is due to the presence of a protective shell on the bulbs, which is not immediately affected by pests.
It is possible to detect diseases of the bulbs in the soil by the condition of the leaves and stem. In a diseased plant, they begin to turn yellow and gradually die off, not having time to give life to the inflorescences.
Fresh manure used to feed the plant can become a provocateur of the disease. Fresh manure is not only a source of nitrogen, but also a favorable environment for the rapid development of pathogenic bacteria and fungi. And their rapid development contributes to the death of all flower garden gladioli.
The causative agents of these diseases are hardy and ubiquitous. They survive the winter frosts perfectly, having penetrated into plant debris, bulbs wintering in the soil, in order to begin their subversive activities in the spring. Damp, unventilated rooms, in which seeds are sometimes stored, are also excellent for their life.
Fusarium and tuber rhizoctonia control measures
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Culling and destruction sick tubers. During the cultivation period in the open field, weak and diseased plants are systematically removed.
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Disinfection tubers. Before planting tubers that are obtained from the outside or do not inspire confidence, they are immersed for a couple of hours in a 0, 12% formalin solution, and then immediately planted in the soil. If for some reason planting is delayed, the disinfected bulbs should be rinsed in cold water and dried.
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Soak planted bulbs for half an hour in special suspensions offered by our trade. In addition, you can make an infusion of dry marigolds yourself (pour half a bucket of marigolds with warm water for 2 days). Place the bulbs in the finished infusion for 10 hours before planting. A similar infusion can be used for watering at the beginning of the flowering of gladioli.
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Change of growing place gladioli every summer season. Gladioli can return to the first landing site no earlier than after 4 years.
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Usage as fertilizer only
well rotted manure … Do not overdo it with nitrogen fertilizers.
Sleep is out of hand
In the Dream Interpretations they write that if a person dreams of a plant that is sick with rhizoctonia, then pleasant changes in his life await him. So, at least somewhere there is a benefit from the disease:).
Brown heart rot
Another harmful fungus strives to destroy the beauty of gladiolus, affecting all parts of the plant and turning them into brown soft mass. This can happen during storage of the bulbs, as well as during the growing season.
Measures to combat brown rot
In addition to the control measures described above, spraying the soil and the plant itself with Bordeaux liquid, foundationol and other similar chemicals is used.
Creeping pests
Such plant eaters as the larvae of the nutcracker and the May beetle, the spider mite, caterpillars of the scoop, slugs and the bear, do not bypass the gladiolus. Bears especially adore him. Control measures for such pests are detailed in other articles.
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