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Main Pests and Control Methods for Rice in the Mid-to-Late Growth Stage
Which pests should be controlled in the mid-to-late growth stage of rice? Please provide an introduction and control methods. The pests to be controlled in the mid-to-late growth stage of rice are: 1. Control of rice planthopper: Rice planthoppers mainly inhabit the base of rice clumps, suck plant sap, causing rice plants to turn yellow and affecting yield. The control agents selected are: ① 25% Youlede wettable powder at 30 grams per mu: ② 25% sumicidin wettable powder at 100 grams per mu, mixed with 45 kg of water for spray control; ③ 20% yamailing emulsifiable concentrate at 100 mL per mu mixed with 45 kg of water for spray control; ④ saiqinone or 10% imidacloprid at 30 grams/mu mixed with 45 kg of water for spraying.
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What are the prevention methods for the rice stem borer (Chilo suppressalis)?
How to prevent the rice stem borer (Chilo suppressalis)? Please provide an introduction to the methods. The following methods can be used for preventing the rice stem borer (Chilo suppressalis): 1. Agronomic measures. When damaged plants with dead leaf sheaths, dead hearts, or dead panicles are found, they should be pulled out promptly, which not only reduces the number of insects but also prevents larvae from moving to other plants to cause damage. 2. Chemical control. When the control threshold is re...
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What are the methods for growing button mushrooms in rice fields?
How are button mushrooms grown in rice fields? Please explain. Button mushroom cultivation in rice fields is a planting method that uses rice straw and other materials as the main raw materials, which are composted and fermented to make the growing substrate, utilizes the temperature and light resources of autumn, winter and spring and the idle seasons, and adopts open-field cultivation of button mushrooms in rice fields after the rice harvest. 20...
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What pesticide should be used to control the small brown planthopper at the rice heading stage?
What pesticide should be used to spray for the small brown planthopper at the rice heading stage? Please note that for the small brown planthopper at the rice heading stage, the following pesticides can be used for reference: the small brown planthopper not only transmits the virus and causes viral diseases such as rice stripe virus disease, but also concentrates on the panicles to cause damage during the heading stage of late rice. The experiment set up per mu with 40% chlorpyrifos emulsifiable concentrate 100 ml, 10% nitenpyram aqueous solution 3...
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What pesticide gives good control results against rice stem borers?
What pesticide should be used to control rice stem borers? Please give guidance. The rice striped stem borer, the rice yellow stem borer and the rice pink stem borer are all commonly known as stem borers. After these pests bore into the rice stems and cause damage, the commonly used pesticides such as monosultap, bisultap, triazophos, diazinon, acephate, phenthoate, chlorpyrifos, cartap and abamectin...
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What are the control methods for rice stem borers?
What methods are there to control rice stem borers? Please provide an introduction. The following methods can be used to control rice stem borers: 1. Eliminate overwintering insect sources: Through plowing for planting or shallow rotary tillage to remove stubble, reduce the amount of residual rice stubble, clean up rice straw, and remove wild rice stems and weeds along field edges and ditches, to reduce insect sources, destroy the overwintering sites of stem borers, and lower their overwintering survival rate.
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What pesticide is effective for controlling rice stem borers?
What pesticide can be used to control rice stem borers? Please give an introduction. Rice stem borers are commonly known as "zuankin chong" (stem borers), including the Asiatic rice borer (Chilo suppressalis), the yellow stem borer (Scirpophaga incertulas), and the pink stem borer (Sesamia inferens). After these pests bore into rice stems and cause damage, commonly used pesticides such as monosultap, bisultap, triazophos, diazinon, acephate, phenthoate, chlorpyrifos, cartap, and abamectin all give very poor control...
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Rice pests and diseases: What pests and diseases affect rice in August?
What pests and diseases affect rice in August? Please explain and guide how to prevent and control them. The key targets for prevention and control of rice pests and diseases in August are rice false smut, neck blast, and bacterial leaf streak, while also controlling rice planthoppers and rice leaf folders. You can refer to the following methods for prevention and control: 1. One week before rice booting (when the boot swells),...
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What pests and diseases affect rice in the late stage? A single article explains the control methods clearly
What pests and diseases affect rice in the late stage? How to control them? Please explain in detail. The main pests and diseases in the late stage of rice are: 1. Sheath blight: the disease has recently risen faster, with an average diseased-hill rate of 13.7% and a diseased-plant rate of 3.3%. The rise in disease severity is noticeably faster than in the previous period, especially for the Wuyunjing series varieties, where sheath blight is generally quite severe...
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What should be noted for pest and disease control in the late stage of rice?
What should be noted for pest and disease control in the late stage of rice? Please advise. The following points should be noted for pest and disease control in the late stage of rice: The control target must be clear. According to the different types of pests and diseases in the field, corresponding pesticide control should be adopted. When pesticides are mixed, their content must be clearly understood, especially for the control of panicle neck blast. Tricyclazole has...
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