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What insecticide is effective for controlling rice stem maggot
Rice stem maggot has broken out and caused serious damage in most rice-growing areas in China in recent years. At present, an insecticide for controlling pests such as the rice stem maggot has been successfully invented. The purpose of this invention is to provide a highly effective and low-toxicity insecticide specifically for controlling the rice stem maggot pest. The insecticide of this invention is made from fipronil and imidacloprid...
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What are the characteristics of herbicides specifically for licorice?
With the adjustment of the agricultural industrial structure, the area planted with greenhouse crops is growing larger and larger. However, because the temperature and humidity conditions inside plastic greenhouses differ greatly from the external environment, applying pesticides according to conventional methods can easily cause phytotoxicity. To reduce the occurrence of phytotoxicity, when applying herbicides in greenhouses, attention should be paid to...
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What is the best time to spray insecticide on rice?
Do not spray insecticide on rainy days; this is basic common sense that farmers understand. However, many farmers often spray at noon on sunny days, which is highly inadvisable and harmful, because: 1. At noon, the light is strong, and pests hide on the undersides of leaves and inside stems, so the insecticidal effect is poor; 2. Under high temperatures and strong light, the pesticide volatilizes and decomposes late...
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Applicability of insecticides in sustainable rice pest management
Based on a comprehensive analysis of toxicity, insecticide resistance, effects on beneficial organisms and other aspects, the applicability of insecticides in sustainable rice pest management can be divided into 5 categories. The first category is applicable insecticides, namely fipronil, chlorpyrifos and pymetrozine; the second category is insecticides suitable for mixed use, mainly abamectin, Bt...
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What should be noted when controlling the rice leaf roller (Cnaphalocrocis medinalis) in rice?
What should be noted when controlling the rice leaf roller in rice? Please give guidance. To control the rice leaf roller, you must first know the timing of control. The control timing is determined comprehensively through the development progress of the insect stages and the fluctuation dynamics of adults under light traps, with reference to the stage duration table and in combination with short- and medium-term weather forecasts. To ensure a true grasp...
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Which pesticide is effective for controlling the rice stem borer (Chilo suppressalis)?
What pesticide should be used to control the rice stem borer? Please advise. Common control agents for the rice stem borer include 25% Actara water-dispersible granules, 5% Regent suspension concentrate, 20% Haonianidong emulsifiable concentrate, 50% fenitrothion emulsifiable concentrate, Nongjiale emulsion, 5% Shachongshuang granules, 80%...
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What insecticide works well to control the rice leaf roller?
What insecticide should be used to spray the rice leaf roller? Please give an introduction. The rice leaf roller's occurrence is characterized by early immigration, many peak generations, and large moth numbers, with the fifth (3rd) and sixth (4th) generations occurring continuously and severely, causing heavy natural damage. Because current high-yield cultivation uses large amounts of nitrogen fertilizer in the late stage, plus the expansion of direct-seeded rice, machine-transplanted rice and other cultivation areas, the rice growth period is delayed...
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Which pesticide is effective for controlling the rice leaf roller?
Which pesticides are effective against the rice leaf roller? Please give an introduction. The rice leaf roller, also known as the rice leaf roller worm, commonly called the leaf scraper, white leaf worm, leaf folder, etc., is a major pest during the rice growing period. This pest damages rice as larvae, binding leaves into longitudinal rolls, hiding inside and chewing the upper epidermis and mesophyll; the symptom is that the damaged leaves...
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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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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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