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What specific effective fungicide should be used for citrus scab?
Citrus scab is a common fungal disease in citrus cultivation. To control it effectively, you must first understand it. What are citrus scab and its specific fungicides? I. Citrus scab. 1. The pathogen of this disease is Elsinoe fawcettii, a fungus of the genus Elsinoe in the class Deuteromycetes. The scab pathogen overwinters as mycelium in diseased tissue.
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What herbicide is effective for controlling resistant Chinese sprangletop?
During this period, many agrochemical dealers and growers have reported that Chinese sprangletop (Leptochloa chinensis) is very severe in rice fields, and many fields have failed to control it. Especially in fields where Chinese sprangletop control failed, later follow-up treatments also seem to be less than ideal. Below, based on some professional experience, I will discuss
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How Long Does Paraquat Take to Become Ineffective in the Air
Paraquat is a fast-acting herbicide that is quickly absorbed by plants and causes them to wither and die, so how long does paraquat take to become ineffective in the air? 1. What Is Paraquat Paraquat's chemical name is 1-1-dimethyl-4-4-bipyridyl cation salt, and it is a fast-acting non-selective
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Which pesticides are effective for controlling onion thrips?
Onion thrips belongs to the order Thysanoptera, family Thripidae. It mainly damages Allium vegetables such as onions and Chinese chives, and can also damage crops in the Solanaceae family, cucurbits, cotton, tobacco and others. Its host plants number more than 30 species across 18 families, and it is distributed throughout the country. So, what pesticide kills onion thrips? Part One
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What pesticide is effective for controlling rice midges?
Rice midges are a common insect pest of rice. The main harmful species are the yellow, black, and green rice midges. So what pesticide should be used to control rice midges? 1. Main damage caused by rice midges. Rice midges breed larvae in large numbers in rice fields, severely affecting the development of the rice root system.
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What pesticides are effective for controlling underground pests in watermelon
Watermelon is a common fruit; in the hot summer, eating one or two slices can cool you down and relieve the heat. It is cultivated throughout our country, so what pesticide should be used for underground pests in watermelon? 1. Seed maggot The seed maggot often gathers to damage the young stems below the topsoil of watermelon seedlings, causing germinated seeds
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How to effectively treat tomato rough fruit disease
Tomato rough fruit disease is a relatively common and serious physiological disorder of greenhouse tomatoes. Except for mildly affected fruits, none have commercial value. The stems and leaves of affected plants show no obvious symptoms. So, how to prevent and control tomato rough fruit disease? 1. Tomato rough
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What pesticide is effective for controlling ginger bacterial wilt?
Ginger bacterial wilt has a long epidemic period, usually starting in June, with severe outbreaks during the high-temperature season from August to September. So what pesticide should be used for ginger bacterial wilt? For ginger bacterial wilt, spray Bordeaux mixture, Score water-dispersible granule liquid, Longkejun (thiodiazole-copper) suspension concentrate liquid. Or Qingkulike + chlorobromoisocyanuric acid
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How to Effectively Control Broadleaf Weeds in Sesame Fields
Broadleaf weeds are a type of weed and are common weeds in sesame fields, so how do you control broadleaf weeds in sesame fields? 1. What are broadleaf weeds? Broadleaf weeds, also known as dicotyledonous weeds, have embryos with two cotyledons, are herbaceous or woody, have netted leaf veins, broad leaves, and petioles.
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What pesticide is effective for controlling red worms in paddy fields
The red worm, also called the aquatic earthworm, is bright red in color and likes to gather densely in water, which can affect the health of rice roots and stems, so pesticide control is needed. What pesticide should be used for red worms in paddy fields? 1. What pesticide should be used for red worms in paddy fields. For red worms in paddy fields, 29% beta-cypermethrin and dichlorvos emulsifiable concentrate can be used
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