Pineapple pest control

Wilt disease After the disease occurs, the leaves become soft and drooping, the leaves are light green to red, the base is rotted, and finally the whole plant is dead. The disease is caused by the beetle of the whitefly. Control methods: First, strictly observe the use of disease-free seedlings. Secondly, the powdered mites are extinguished in time. When planting, the head is immersed in 500 times of Lego solution, and then placed in an inverted and dried plant. After the planting, it was found that the powder beetle was harmful, and it was sprayed with 500 times liquid in time, or 25% of the melamine 1500 times liquid. If the diseased plant is found, it should be excavated in time to prevent spread.

Black rot The heart of the victim becomes black, gradually expanding to the whole fruit rot, and the pathogen is mostly invaded by the stalk and the fruit stalk wound. Control methods: Be careful not to top the topping and picking fruit in the rain to reduce the chance of bacterial invasion. This disease is also the main disease of storing fresh pineapple fruit.

Miao heart rot The seedlings die badly. Mainly caused by stacking heat or water. Prevention and treatment methods: Avoid planting seedlings for too long, especially in the long-distance transportation process, try to reduce the stacking for too long, so as to avoid the high temperature, high humidity and non-breathable heat-induced injury. When it is shipped to the destination, it will be spread out, and it will be planted after 1 to 2 days of drying. Avoid planting in rainy days and pay attention to deep cultivation.

蟋蟀 When the fruit is ripe, it will be bitten by the big head, which will make the fruit of poor quality and become a foreign fruit. Control method: Mix 1 kg of fried rice with 5 kg of rice bran into a small amount of pickled vegetables, add 90% of the crystal trichlorfon 100 g, and make a poison bait of bean size. Sprinkle the poison bait around the plant at night to trap.

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