What is the reason for the death of yam and how to treat it?
Now it is found that the death of yam is very serious, what is the reason for the death of yam and how to treat it? The main causes of death of Chinese yam are Fusarium wilt, anthracnose and brown rot. These three diseases are mainly transmitted by Rain Water and watering, and now they are in a period of high temperature and heavy rain, which also creates conditions for the occurrence of these three diseases. In the early stage of the disease, Fusarium wilt was mainly characterized by fusiform brown patches at the base of the stem, which gradually expanded around the stem, resulting in the decay of the epidermis at the base of the stem, the yellowing and shedding of the upper leaves, the withering of the vines and the browning inside the diseased stems. root infection can cause round to irregular brown spots around the lenticels. Vegetable farmers can use 1000 times of 50% chlorobromoisocyanuric acid or 40% methyl thiophanate sulfur suspension or 70% mancozeb for root irrigation. The brown spot of Chinese yam is mainly harmful to leaves and stems. The disease spot on the leaf is round to oval, the middle gray to dark gray edge is dark brown, and there are small black spots in the later stage; the stem disease spot is gray-white in the middle, with black irregular spots all around, and in severe cases, the disease spot is even into pieces until the whole plant turns black and withered. Vegetable farmers can use 1500 times solution of 25% prochloraz mixed with 1500 times solution of 10% benzimiconazole for prevention and control. Brown rot is mainly harmful to the tuber of Chinese yam, and the diseased part of the tuber shows a bad rot-like irregular brown spot. Vegetable farmers can use 1000-fold solution of 70% thiophanate or 3000-fold solution of allicin for root irrigation. Click to see more yam planting techniques click to see more vegetable planting techniques
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How to disinfect seed potato with round yam?
How to grow Chinese yam if you want to have a high yield? In order to guide the cultivation of Chinese yam, the following planting techniques can be used for reference: first, select suitable plots to do a good job of deep turning and soil preparation yam is a tuber crop, the tuber is deeply embedded in the soil, resistant to drought and afraid of stains, like deep and loose soil. Therefore, he chose high dry terrain and good drainage.
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How to apply Chinese yam fertilizer?
How should iron bar yam be fertilized? Iron bar yam is a kind of food and medicine crop with underground tuber as its product. because of its hypertrophy of tuber, some varieties are as deep as 1-2 meters of soil, so it is necessary to choose sandy loam with deep soil layer and good drainage. Iron bar yam likes organic fertilizer, which can be applied from sowing to growing. Shop.
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