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What are the methods for controlling underground pests in sunflowers?
How should underground pests be controlled when growing sunflowers? The main underground pests of sunflowers include mole crickets, white grubs, cutworms, wireworms, and other soil-dwelling pests. The control measures are as follows. (1) Agricultural control. ① Before sunflower emergence or during the peak outbreak period of 1st to 2nd instar cutworm larvae, promptly remove weeds from the field, bury them deep or haul them out of the field for composting, to eliminate egg-laying hosts.
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What pesticides are commonly used for controlling pests and diseases in chrysanthemums?
I. Main symptoms: They occur on the leaves, mostly on the lower leaves. The lesions begin as chlorotic yellow spots; after expanding, the lesions become round to irregular in shape, with dark brown edges and grayish-brown centers; in the later stage the lesions dry up and black granular bodies appear. II. Cause of the disease: It is a fungal disease. The pathogen survives in the soil...
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What are the methods for controlling rice pests and diseases in summer?
How to control pests and diseases in rice in summer? Need guidance. According to trend analysis, in summer and autumn, rice pests and diseases focus on the "three insects and three diseases" (namely rice leaf roller, rice planthopper, striped stem borer, rice blast, rice false smut, and sheath blight). In early September, the sixth (4th) generation rice planthopper, the sixth (4th) generation rice leaf roller, the third generation...
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What are the methods for controlling rice pests and diseases?
What are good ways to control pests and diseases in rice? Asking for advice. The success or failure of rice pest and disease control plays a vital role in rice yield. For the control of rice pests and diseases, first, select varieties resistant to pests and diseases; second, fertilize reasonably, applying more organic fertilizer and phosphorus and potassium fertilizer; third, use water scientifically, keep the field dry, and during the rainy period pay attention to clearing ditches and draining water...
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What are the methods for controlling underground pests of sweet potatoes?
How to control underground pests of sweet potatoes? Please give guidance. During the period of rapid tuber expansion of sweet potatoes, drench the root area once every 10-15 days with a clarified infusion made from 25-30 times diluted superphosphate mixed with dry, clean plant ash, or with a 15-20 times diluted clarified tobacco leaf infusion, etc., for 2-3 consecutive drenches, applying about 5-6 kg per sq m of soil each time...
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What are the methods for controlling red spider mite pests on mung beans?
How do you protect mung beans from the red spider mite pest? Please advise focusing on chemical control. Strengthen field inspections; when localized patchy outbreaks are found, spray promptly for control. Use 50% malathion emulsifiable concentrate at 1000 times dilution, or 50% naled at 2000 times dilution, or 25% deltamethrin at 5000 times dilution. Spray once every 7 days, for 2 to 3 consecutive applications....
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Making succulents plump is not hard: start by controlling watering to make the leaves thick and fleshy
Once the root system of a succulent is well established, it does not need special watering; it should already be fairly plump on its own. But if it is given more water, the plant will grow desperately, yet it will not become compact and plump. Water control means giving appropriately less water, and even...
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What are the methods for controlling underground pests in sweet corn?
How to control underground pests in sweet corn? Please advise. The underground pests damaging sweet corn mainly include mole crickets, white grubs, wireworms and cutworms. These pests damage sweet corn in their larval stage, mainly during the seedling stage of sweet corn, causing dead seedlings and missing plants. To ensure full and strong seedlings, integrated control should be carried out....
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What pesticides work well for controlling kudzu diseases?
What pesticides are used to control kudzu diseases? The main diseases of kudzu include damping-off, downy mildew, and anthracnose; they can be controlled with a 600-fold dilution of 50% carbendazim, or an 800-fold dilution of 70% thiophanate-methyl wettable powder. At the same time, methods such as pruning diseased branches and leaves, or manual capture and trapping of pests, can also effectively...
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What pesticide is effective for controlling rice stem borer larvae?
What pesticide should be used to control rice stem borer larvae? For controlling rice stem borer larvae, you can use 30 to 40 ml of 5% fipronil suspension concentrate per mu, or 120 to 150 ml of 20% triazophos emulsifiable concentrate plus Tianda 2116. When using chemical control, maintain a 3 to 5 cm deep water layer in the field and let it dry naturally. Click to get more insecticide...
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