All eggplants are seeds. The sweet potatoes are deformed and cracked. What disease did they have?
1, Q: how to do the sweet potato deformity, cracks?
Experts replied: There are many reasons for the cracking of sweet potatoes. The above phenomena can be caused from planting management to pests and diseases. Common examples include: 1. Planting with stones or stones leads to bifurcation or cracking in growth; Fertilizer application too much or not fully mixed with the soil evenly, placing the yam plant when the seedlings and seed fertilizer contact, the buds and growth points burned, resulting in tuber decentralization, long and other deformities; Unripe organic fertilizer, heat-burning growth point in the process of maturity; 4. Underground pest damage, such as cracking phenomenon caused by hazards such as wireworms, cockroaches, cockroaches, root-knot nematodes. Therefore, according to the operating conditions to determine what, do not blindly medication or arbitrarily increase the dose. The yam plant will be renewed and rejuvenated on a timely basis in production, and every 3-4 years will be used as a cycle to regenerate the yam with yam beans.
2. Q: The eggplant is full of seeds. The other is asymptomatic. What is the reason?
Experts answer: This is an eggplant fruit disease, mainly the quality of the seedlings is not good, root development is slow, narrow water absorption range, especially the seedling stage intolerance to dry, resulting in slow growth of eggplant, fruit age, so that poor eggplant coloring, lack of light Insufficient accumulation of pigments, soil drought, long fruiting time leads to the formation of seeds of fruit, and there are many seeds, which are more obvious in the absence of fertilizer and high temperature. It is recommended that water should be properly grounded, water should be poured and water poured, and water-soluble fertilizer and biological agents be applied to promote the coloration of the expanded fruit.
3, Q: What are the reasons for rotten cabbage?
Experts answer: Most of the cabbage rot is a bacterial disease. It is mostly caused by the base of the stem, and the diseased part is softened and rotted, giving off bad odor. The pathogenic bacteria overwintered in the soil with diseased bodies and spread in the fields with rainwater and irrigation water. Do a good job in the cleanup of crops on the upper part of the crop. Use 2% methotrexate or copper thiazolyl, quinoline copper, methamphetamine, and chlorobromoisocyanuric acid in combination with calcium fertilizers at the beginning of the disease. Alternate dosing interval 4- 5 days, playing 3 times.
4, Q: This cabbage, cauliflower has appeared the phenomenon of decay, what disease? How to deal with it?
Experts answer: This is caused by black rot in cabbage, which needs to be strengthened during the cultivation process, while paying attention to increasing the use and absorption of calcium fertilizer. It is suggested that this diseased plant can be unplugged from black stems, and other plants can use copper-containing preparations or 6% of kasugamycin, 2% of mesitulin, 2.3% of octomycin, 20% of methamphetamine or Bacillus subtilis, etc. The medicament is treated, sprayed with a shower bag, and some calcium fertilizer can be properly added.
5. Q: What is the illness of ginger?
Experts' answer: It looks like eye spot disease is one of the common diseases on ginger. It is recommended to use 24% pyraclostrobin (25% azoxystrobin) + 40% fluorosiliconazole (12.5% ​​epoxiconazole, 25 Propiconazole, 40% difenoconazole, etc.) + foliar fertilizers and regulators.
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