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Occurrence and Control Methods of Rice Pests and Diseases at the Mid-Season
According to field surveys of pests and diseases by each forecasting station, the field moth population of the third generation of the rice leaf roller is currently large, and the egg mass is high. All towns are urged to actively carry out control work. I. Occurrence situation: (1) Third generation of the rice leaf roller: 1. Field moth population: According to observations at each forecasting station, the field moth population
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What are the control methods for rice stem borers?
Netizen Yeshan Judicial Office sent an email on July 4: I am a staff member of the town agricultural technology station. Right now we have too many rice stem borers here, and they are hard to control! I had farmers use Dakuangsha and dimethoate, but the feedback was that the control effect on stem borers was poor. May I ask what methods should be used to control them
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How to control the rice whorl maggot, Hydrellia philippina
Scientific name Hydrellia philippina Ferino, belonging to the order Diptera, family Ephydridae. "Maoyan shuiying" is a collective term for the shore flies that damage rice; besides Hydrellia orientalis, it also includes Hydrellia griseola, the rice stem maggot (Ephydra macellaria Egger) and several other species. Five species have been found worldwide, all similar in appearance
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How to prevent and control rice purple sheath disease? Practical methods and key technical points
Symptoms After rice heading, dense pinhead-sized purple dots appear on the leaf sheath of the flag leaf, then gradually spread to most of the leaf sheath or the entire leaf sheath turns purplish-brown, especially obvious on the outer wall of the leaf sheath, sometimes infecting the inner wall or reaching deep into the stem. In severe cases, the flag leaf dies 7-10 days early.
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Integrated Control Methods and Techniques for Rice Stem Borer Damage
Integrated control technology for stem borer damage refers to addressing the adverse conditions of residual toxicity, resistance, and resurgence caused by long-term pesticide application against rice stem borers, minimizing harm to humans and environmental pollution while earnestly implementing the plant protection policy of "prevention first, integrated control," persisting in carrying out pest and disease forecasting
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Control Methods and Technical Key Points for Rice Bakanae Disease
Symptoms: After rice is infected with bakanae disease, the internodes of the affected plants elongate, growing thin and tall, the plant color is paler, the leaves are narrower than those of normal plants, there are varying numbers of adventitious roots inside or outside the leaf sheaths at the nodes, and white mold grows inside the rice stalks, later turning light red, sometimes
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Detailed Explanation of Cultivation Points for the Late Growth Stage of Rice
Pest and disease control: Diseases: The main disease requiring attention in the late growth stage of rice is rice blast. After rice heading, seize the opportunity to apply pesticide 2---3 times, with an interval of about 7 days. Apply about 100 grams of tricyclazole wettable powder per mu, mixed with 30 kg of water for foliar spraying.
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Detailed Explanation of Key Points for Rice Viral Disease Prevention and Control Technology
The occurrence of rice viral diseases is characterized by outbreaks, intermittency and migration. The severity of rice viral disease occurrence is closely related to the farming system, the population and migration patterns of transmission vectors, climatic conditions and cultivation management measures. Control should implement the principle of prevention first, integrated control
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High-Yield Peanut Cultivation Techniques and Disease Control Methods
I. Bacterial Wilt of Peanut This disease mostly occurs from the seedling stage to the peak pod-setting stage of peanut. Spring peanuts are affected from May to June, and summer peanuts from September to October, with a relatively severe incidence rate. In infected plants, the top leaves first become soft and droop, then the leaves of the whole plant wilt and hang down, but the wilted leaves can still remain green
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What are the control methods for peanut root rot?
In recent days, many farmers have brought peanut leaves to the shop to ask what is going on. On the surface, the leaves are yellowing, and some farmers think it is a lack of nutrients, but in fact it is mainly caused by root rot. A while ago, rain was frequent, making the soil damp,
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