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How to control orchid pests? Mastering these methods is enough
1. Orchid scale insect, commonly known as orchid louse, is one of the most common and widespread pests harming orchids. This scale insect is covered with a flat, round, earthy-brown waxy shell, about 0.1 cm in diameter, shaped like a flea, attaching to both sides of the leaves or inside and outside the leaf sheaths. The insect uses its thread-like mouthparts to suck the nutrient fluid from within the leaves. After scraping off the insect bodies, pale yellow marks appear on the leaf surface. If they cluster densely, the affected parts gradually turn yellow, growth vigor weakens, and in severe cases the plant progressively shrivels and dies.
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What are the control methods for the rice stem borer (Chilo suppressalis)?
How to control the rice stem borer (Chilo suppressalis) in rice? Please advise. The rice stem borer is one of the main pests on rice in our county. Its larvae mainly bore into the stems and cause dead hearts; when they attack during the booting and heading stages of rice, they form half-blighted panicles, dead booting panicles and white heads, seriously affecting rice yield. In our county, the control of the first generation of the rice stem borer was very uneven this year...
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How to control rice stem borers? Practical methods and techniques explained
How to control rice stem borers? Please advise. Rice stem borers are commonly known as dead-heart borers, among which the most widespread and serious are the striped stem borer and the yellow stem borer, along with the rice skipper and the greater rice stem borer. The striped stem borer damages not only rice but also gramineous crops such as corn and wheat, while the yellow stem borer is a monophagous pest that attacks only rice. For...
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Control Methods and Technical Key Points for Mushroom Brown Blotch Disease
A rare mushroom delicacy -- the brown mushroom, also known as Xiangkou mushroom, has a large cap and thick stem, with plump and fleshy mycelium. Its taste is more delicate and savory than the white mushroom, and its aroma is richer and more palatable than the shiitake mushroom. At the same time, it has extremely high nutritional, health-care and medicinal value. It has now become a high-grade edible fungus popular in Europe, America and developed countries or regions around the world, and has formed its...
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What are the control methods for gummosis in apricot trees?
How to control gummosis in apricot trees? What causes gummosis in apricot trees? What methods can control it? Please explain. Gummosis in apricot trees is a non-infectious disease that can affect both the trunk and the fruit. When it occurs, a soft gummy substance oozes from the bark of branches and trunks or from cracks in wounds, and after contact with air and drying, it forms a hard amber...
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What are the control methods for scale insects on apricot trees?
How do you control scale insects on apricot trees? When do scale insects on apricot trees appear? What methods can be used for control? Please explain. As the apricot tree area expands year by year, the number of scale insect pest species on apricot trees increases and the affected area expands, and the damage is becoming increasingly serious. At present, scale insects have become one of the main factors affecting apricot production in our county...
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How to treat southern corn leaf blight? Mastering the control methods is key
How to treat southern corn leaf blight? For guidance on southern corn leaf blight, you can refer to the following control methods: 1. Symptom presentation. Southern corn leaf blight can occur throughout the entire growth period of corn, mainly damaging leaves and leaf sheaths, and the husks and ears can also be affected. It usually starts on the lower leaves of the plant and spreads and expands upward. Leaf lesions...
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How to control aphids in cornfields? These methods are very practical
How to control aphids in cornfields? The methods for controlling aphids in cornfields are as follows: (1) Chemical control: use 5% phorate granules at 200 g per 667 sq m, mix with 1.5 kg of fine sand or soil, apply the pesticide every other ridge, and fumigate to kill the aphids; spray 0.5% dimethoate powder at 1.5-2.0 kg per 667 sq m, or 50% dimethoate...
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What to Do About Corn Stalk Rot? Detailed Control Methods
What is corn barren stalk disease? An introduction to the symptoms of corn barren stalk disease: corn usually produces 1-2 ears, most commonly one ear, but during production, barren stalks often appear, affecting yield increases. For example, surveys in Kuandian, Yanyan, Benxi, Huanren and other places in Liaoning found barren stalk rates of 12%-20%, with a yield reduction of 50kg per 667 sq m...
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What are the control methods for potato soil pests?
How do you control potato soil pests? Please give guidance. The main soil pests of potatoes are white grubs and wireworms. The more convenient methods for controlling these two pests are seed potato coating and applying chemicals in the furrow at sowing. For seed potato coating, you can choose 70% thiamethoxam dispersible seed treatment agent, at 100 kg seed potatoes...
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