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How to treat rust disease in edamame? Detailed explanation of prevention and control methods
Prevention and control methods for edamame rust disease
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Wheat variety Jimai 20 can resist the new wheat stem rust fungus
Identified in Kenya through the International Maize and Wheat Improvement Center, Jimai 20 is the only wheat among China's 116 winter wheat varieties that is resistant to the new Ug99 wheat stem rust fungus. On April 12, the United Nations Food and Agriculture Organization issued a warning that a new type of wheat stem rust fungus named "Ug99" has spread from East Africa to Yemen. This new type of wheat stem rust may pose a threat to 80% of wheat varieties in Africa and Asia. Once it spreads over a large area, global food production will suffer heavy losses. Wheat stem rust is a fungal disease that affects plants
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How to prevent and control rust disease in Welsh onions during continuous rainy weather
In summer and autumn, with high temperatures and abundant rain, Welsh onions are prone to rust disease if continuous rainy weather occurs. Farmers should promptly take effective measures and strengthen prevention and control. Apply timely medication for prevention and control. In summer and autumn, especially after 2-3 days of continuous rainy weather, promptly check the occurrence of rust disease in Welsh onions. If brown-green...
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What Does Wheat Rust Look Like? Symptoms and Identification Methods
What does wheat rust look like? Wheat rust is also called jaundice. It is divided into 3 types: stripe rust, leaf rust, and stem rust. It is the most widespread and most damaging class of disease on wheat. After wheat is infected with rust, chlorotic spots first appear on the surface of the wheat leaves or stems, and later yellow or reddish-brown powder pustules grow out, namely the pathogen's uredinia...
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What are the key points for pollution-free control of white rust in water spinach?
Symptoms: The lesions appear on the underside of the leaves. On the upper surface of the leaves, pale yellow to yellow spots first appear, then gradually turn brown. The lesions expand, and on the underside of the leaves white raised blister-like spots form, nearly round or oval to irregular in shape, sometimes merging into larger blisters. In the later stage, the blisters rupture and release white sporangia. When the leaves are severely affected, the lesions are dense and the diseased...
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What to Do When Water Spinach Gets White Rust? A Detailed Guide to Prevention and Control Methods
First, implement a 2-to-3-year crop rotation with other vegetable varieties. Second, before sowing, dress the seeds for sterilization at a ratio of 300 g of 35% metalaxyl per 100 kg of seeds; third, in the early stage of the disease, spray with 50% copper metalaxyl wettable powder at 6000 to 7000 times dilution, or with 72.2% propamocarb aqueous solution at 8000 times dilution, applying once every 7 to 10 days...
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What are the key points for pollution-free control of white rust in water spinach?
Symptoms: The lesions appear on the underside of the leaves. On the upper surface of the leaves, pale yellow to yellow spots first appear, later turning brown. The lesions expand, and on the underside of the leaves white raised blister-like spots form, nearly round or oval to irregular in shape, sometimes merging into larger blisters. In the later stage, the blisters rupture and release white, non-functional sporangia. When the leaves are severely affected, the lesions are dense and the diseased...
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What chemicals are used to control white rust in water spinach?
First, implement a 2- to 3-year crop rotation with other vegetable varieties. Second, before sowing, dress the seeds for sterilization at a ratio of 300 g of 35% metalaxyl per 100 kg of seeds; third, in the early stage of the disease, spray with 50% copper metalaxyl wettable powder at 6000 to 7000 times dilution, or with 72.2% propamocarb aqueous solution at 8000 times dilution, once every 7 to 10 days...
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