In the current continuous low temperature and rainy weather, greenhouse vegetables are prone to gray mold. It is understood that the current greenhouse eggplant, pepper, pumpkin, melon and so on have been listed one after another, young fruit, tender stems, flower buds, etc. are prone to gray mold, and must be timely prevented.
Gray mold occurs mostly from flower buds, tender stems and young fruit. When the humidity is high, there is a gray mold layer on the surface of the diseased part, and there are irregular lines, deep and shallow lines, and the boundary between disease and health tissue is obvious.
Smokey methods should be used to control gray mold in rainy days. Can be used as bacteriostatic agents such as chlorothalonil and scopolamine. Each standard shed (30 meters long and 6 meters wide) requires 4 smokers, and the extended greenhouses increase the amount of smoked agents proportionally. The use of the fumigant should be carried out in the evening when the work is completed. The fumigant is hooked with fine lead wire and hung evenly in the middle of the greenhouse. When igniting, you must start from the innermost one, immediately ignite the open flame after igniting the fuming agent, let it slowly release the smoke, and close the greenhouse. By the next morning, ventilate as usual. According to the development of the disease, continuous rainy weather, generally 7-10 days with a fumigant to prevent and control 1 time, preferably continuous smoked 2-3 times. Should pay attention to the use: 1 the greenhouse must be sealed, otherwise the air leakage will affect the smoke effect; 2 pay attention to safety, after the smoked agent emits smoke, it must be evacuated in time to prevent smoke and injury; 3 smoked agent is not suitable in the small and small shed Use to prevent phytotoxicity.
When the weather gap is clear, you can also use 50% of the phlegm 1000-1500 times, 50% keiling 1000-2000 times, 65% carbendazim 1000-1500 times and other agents spray, pay attention to the above agents alternate rotation, not continuous Use a fungicide. At the same time, pay attention to the spray time, do not increase the humidity in the shed due to spraying.
Gray mold occurs mostly from flower buds, tender stems and young fruit. When the humidity is high, there is a gray mold layer on the surface of the diseased part, and there are irregular lines, deep and shallow lines, and the boundary between disease and health tissue is obvious.
Smokey methods should be used to control gray mold in rainy days. Can be used as bacteriostatic agents such as chlorothalonil and scopolamine. Each standard shed (30 meters long and 6 meters wide) requires 4 smokers, and the extended greenhouses increase the amount of smoked agents proportionally. The use of the fumigant should be carried out in the evening when the work is completed. The fumigant is hooked with fine lead wire and hung evenly in the middle of the greenhouse. When igniting, you must start from the innermost one, immediately ignite the open flame after igniting the fuming agent, let it slowly release the smoke, and close the greenhouse. By the next morning, ventilate as usual. According to the development of the disease, continuous rainy weather, generally 7-10 days with a fumigant to prevent and control 1 time, preferably continuous smoked 2-3 times. Should pay attention to the use: 1 the greenhouse must be sealed, otherwise the air leakage will affect the smoke effect; 2 pay attention to safety, after the smoked agent emits smoke, it must be evacuated in time to prevent smoke and injury; 3 smoked agent is not suitable in the small and small shed Use to prevent phytotoxicity.
When the weather gap is clear, you can also use 50% of the phlegm 1000-1500 times, 50% keiling 1000-2000 times, 65% carbendazim 1000-1500 times and other agents spray, pay attention to the above agents alternate rotation, not continuous Use a fungicide. At the same time, pay attention to the spray time, do not increase the humidity in the shed due to spraying.
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