What diseases and insect pests do pineapples have to prevent?

What diseases and insect pests do pineapples have to prevent? Please introduce the prevention and control of the following diseases and insect pests in the process of pineapple planting: after the onset of wilt disease, the leaves become soft and drooping, the leaves are light green to red, the base rot, and finally the whole plant dies. The disease is caused by pink scale insects. Prevention and control methods: first of all, pay strict attention to the propagation of diseased seedlings. Secondly, kill the pink scale beetle in time, soak the head with 500 times dimethoate solution and plant it after being cold and dry. If you find the damage caused by pink scale insects after planting, spray dimethoate 500x liquid in time, or 25% Chinese family meiling 1500 times liquid. If diseased plants are found, they should be dug up in time to prevent them from spreading. The core of the fruit affected by black rot blackened and gradually expanded to the whole fruit rot, and most of the germs invaded from the bud picking place and the fruit stalk wound. Prevention and control methods: be careful not to top and pick fruit in rainy days, so as to reduce the chance of germs invading. This disease is also the main disease of storing pineapple fresh fruit. Seedling heart rot, seedling heart rot and death. It is mainly caused by stacking heat or stagnant water. Prevention and treatment: avoid stacking seedlings for too long, especially in the process of long-distance transportation, so as to avoid fever and injury caused by high temperature, high humidity and airtight. Spread out as soon as you arrive at the destination, plant after a little sun for 1 or 2 days, avoid planting in rainy days, and pay attention to deep ploughing and shallow planting. When a cricket is bitten by a big-headed cricket when the fruit is ripe, it will cause poor fruit quality and become a grade exocarp. Control method: 1 kg of fried sweet potato with 5 dry grams of rice bran is mixed with a small amount of pickle juice, and then 100 grams of 90% crystal trichlorfon are added to make a poison bait the size of beans, and each bait is trapped around the plant at night. Click to get more pineapple planting techniques click to get more fruit planting techniques