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What pests and diseases should be prevented and controlled when growing bitter melon?
What pests and diseases should be prevented and controlled when growing bitter melon? Please provide an introduction to the control methods. The pests and diseases of bitter melon cultivation include the following and their control methods: 1. Powdery mildew. Symptoms of damage: mainly damages leaves. At the early stage of the disease, nearly circular small white powdery spots appear on the front or back of the leaves, mostly on the back of the leaves, and later the spots gradually expand, ...
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What are the methods for preventing and controlling the degeneration of Agaricus bisporus (button mushroom) spawn
Preventing spawn degeneration can increase yield, reduce the occurrence and development of pests and diseases, and cut down the amount of pesticides used, which is the foundation for producing organic button mushrooms. 1. The ambient temperature for culturing spawn must not exceed 28°C, and properly cultured spawn should not be stored at room temperature for more than half a month. 2. Properly master the time for mycelium to emerge from the substrate...
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What are the methods for preventing and controlling rose rot?
In the production of pollution-free edible roses, preventing pests and diseases and keeping the rose plants vigorous is the best way to control disease. Usually the following preventive measures are taken: 1. Select disease-resistant lines and use healthy plants as seedlings. 2. Avoid applying too much nitrogen fertilizer, so that the plants do not grow leggy and become insufficiently sturdy, and are prone to...
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How to prevent and control mango powdery mildew? A detailed guide to practical methods
How to prevent and control powdery mildew when growing mangoes? Please explain the methods. Powdery mildew is an important disease of mango during the flowering period, affecting flower panicles, young fruit and tender leaves. It occurs in producing areas in Guangdong, Hainan, Yunnan, Guangxi and other parts of China. It has also been reported in India, Pakistan, Brazil, South Africa, Australia, Sri Lanka and other countries abroad...
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What are the methods for preventing and controlling pests and diseases in mango trees?
What methods are there for preventing and controlling pests and diseases in mango trees? Please provide an introduction to the methods. The following methods can be referenced for preventing and controlling pests and diseases in mango trees: 1. Agricultural control. Select improved varieties that are resistant or tolerant to pests and diseases according to local conditions. A single variety should be planted in the same plot, avoiding mixed planting of varieties with different maturity periods. In...
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How to prevent and control wolfberry black fruit disease? These methods are very practical
Wolfberry black fruit disease damages the green fruit, flowers and buds of wolfberry, and also damages young shoots and leaves. From the early fruiting stage in early May to the late fruiting stage in mid-October, wolfberry can be infected by this disease. From May to June, when the daily average temperature is above 17°C, the relative humidity is around 60%, and there are 2~3 rainy days per ten-day period, the disease can occur in the field. From July to September, when the daily average temper...
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Eight precautions for the prevention and control of pests and diseases in button mushrooms
Strengthening the comprehensive management of button mushroom cultivation and creating an environment conducive to the growth of button mushrooms while unfavorable to the reproduction of pests and diseases is the key to growing organic button mushrooms. 1. Do a good job of environmental sanitation. Spawn production and operating personnel must establish a normal cleaning and sanitation management system, continuously remove contaminants and disinfect them with chemicals,...
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How to Prevent Deformed Chinese Yam? A Detailed Guide to Practical Methods
How to prevent deformed Chinese yam? Please provide guidance methods. During the cultivation of Chinese yam, due to the influence of adverse environmental conditions, cultivation measures, management methods and other factors, changes occur in the internal tissue structure of Chinese yam during its growth process, thereby producing various bizarre shapes, such as branching at the upper end of the tuber, branching at the lower end, ...
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What are the methods for preventing and controlling pests and diseases in yam?
What methods are there for preventing and controlling pests and diseases when growing yam? Please give an introduction to the methods. When growing yam, the following methods can be used to prevent and control pests and diseases: I. Agricultural control 1. Selecting disease-resistant varieties is an effective method for preventing and controlling yam pests and diseases. When cultivating disease-resistant varieties, a rational layout should be used, rotating varieties every 2 to 3 years, and paying attention...
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How to prevent dry bubble disease early in button mushroom cultivation
Dry bubble disease is one of the main diseases of button mushrooms. The pathogen infects during the spawn-running stage and grows in sync with the button mushroom mycelium, but does not show symptoms for the time being; the mycelium invades during the fruiting stage. Affected caps develop dark brown depressions and are covered with white powder; the stipes are uneven in thickness and develop abnormally; diseased mushrooms have no water soaking, no slime and no foul odor, and eventually dry up. The pathogen survives in soil for a long time and spreads through many routes, so prevention should start with substrate processing.
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