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What are the main diseases of rice at the seedling stage? Read this article to find out
Rice at the seedling stage requires good disease control work to ensure vigorous growth later and the production of high-quality rice ears. What are the main diseases of rice at the seedling stage? How should they be controlled? 1. Main diseases of rice at the seedling stage 1. Bakanae disease In rice at the seedling stage, diseased seedlings are thinner and taller than healthy seedlings, with slender leaves and leaf sheaths, pale yellow leaf color, and poor root development, and some diseased seedlings die before transplanting. On dead seedlings there are pale red or white moldy powdery substances, the affected internodes are obviously elongated, the nodes are often curved and exposed outside the leaf sheath, and many adventitious fibrous roots grow in reverse from the lower stem nodes, with few or no tillers. When the leaf sheath is peeled open, there are dark brown streaks on the stem, and when the diseased stem is cut open, white spiderweb-like mycelium can be seen, after which the plant gradually dies. When humidity is high, the surface of dead diseased plants is covered with pale brown or white powdery mold, and later black small dots form, which are the fungal perithecia.
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How to ensure fruit set and control pests and diseases in over-summer watermelon?
Summer is the time when watermelons set fruit and go to market, but excessively high temperatures often affect their fruit-setting rate. The higher the fruit-setting rate, the higher the growers' returns, so everyone is very concerned about this issue. So how do you ensure that over-summer watermelons set fruit? Which pests and diseases need to be controlled
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A Detailed Explanation of the Key Technical Points for Summer Fruit Tree Pest and Disease Control
Because summer weather is hot, fruit tree pests and diseases are extremely likely to occur if management is improper. Once fruit trees are affected by pests and diseases, there is great damage to yield, quality, and so on, leaving growers with unbearable hardship. Below, let us take a look at the key points of summer fruit tree pest and disease control techniques.
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Common Eggplant Pests and Diseases and Detailed Control Measures
Eggplant is one of the common vegetables in everyday life. Because its flavor and texture are both quite good and it has high nutritional value, market demand for it is relatively large. In recent years, many farmers have chosen eggplant as their main vegetable crop and have also achieved relatively good returns
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What are the main diseases of onions? And how should they be prevented and controlled?
Onions are widely planted and cultivated in China and are one of the main vegetable crops grown in the country. So what diseases do onions have during cultivation? And how should they be prevented and controlled? Although onions are widely grown, in China they are still mainly concentrated in Fujian, Shandong, Gansu, Inner Mongolia, Xin
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Common Diseases of Bitter Gourd and Their Control Methods
Bitter gourd has the effects of clearing heat and detoxifying, nourishing the skin, and nourishing the blood and liver, making it an excellent ingredient in summer. So, what are the common diseases of bitter gourd during cultivation, and how should they be controlled? 1. Damping-off Disease Symptoms: Damping-off disease is most likely to occur shortly after the seedlings emerge.
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Identification of Common Corn Diseases and Remedies for Herbicide Damage
For arid and poor-soil regions, corn is an excellent food crop, but during cultivation, the occurrence of diseases affects yield. So what are the common corn diseases? How do you remedy the situation after herbicide damage occurs? Let's find out below.
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Cucumber diseases must be prevented and controlled early, growers need to pay attention
Cucumbers are widely cultivated throughout China, with greenhouse or plastic tunnel cultivation in most regions; they are now widely grown in temperate and tropical regions. Cucumber growers need to pay attention: the following symptoms indicate disease, and prevention and control should be carried out as early as possible. I. The main
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Experience sharing on reducing diseases in grouper aquaculture
If animals' healthy living environment cannot be basically guaranteed, excessively high stocking density, restricted movement, and an environment that becomes extremely harsh will all cause a decline in the animals' body resistance, creating conditions for the outbreak and spread of disease. With grouper artificial breeding and aquaculture technology
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How can diseases in grouper aquaculture be effectively reduced?
With breakthroughs in artificial breeding and aquaculture technology for grouper, the scale of grouper farming has continued to expand. In particular, the industrial recirculating aquaculture model has become an important support for the development of the grouper farming industry in the north in recent years, but large-scale outbreaks of grouper diseases have also become
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