Pineapple tree disease picture collection

The black heart disease of pineapple tree is one of the main diseases of pineapple, which mainly harms the fruit, which affects the quality of the fruit and loses the commercial value of the fruit. Pineapple wilt pictures pineapple wilt, fruit growers call it red leaf disease, root rot, pineapple blast. The disease is a destructive disease caused by pink scale beetle, which can occur from seedling stage to fruiting stage. the diseased plant begins to die and rot from the small root, then develops to most of the root rot, and the leaf tip of the diseased plant turns yellow, dry, shrunk, lose luster, and the leaf edge curls inwardly. after the aggravation of the disease, the yellow part gradually deepens into reddish brown stripes, the red part extends to the middle of the leaf, the plant stops growing, and the flower stem atrophies. The fruit became smaller, and when the disease was serious, the plant withered. Pictures of pineapple tree blast the aboveground parts of pineapple tree blast showed that at the initial stage of the disease, the basal leaves turned yellow and red, wrinkled, lost luster, the leaf edge curled inward, and then the leaf tip withered, the leaf withered and the plant stopped growing. With the development of the disease, from root tip rot to partial or total root rot, the plant withered. Most people believe that the disease is caused by virus infection carried by the pineapple pink scale. Pineapple root nematode disease picture because the root nematode parasites in the root, and causes the root tissue to overgrow, forming tumors of different sizes. The picture of pineapple heart rot is mainly harmful to seedlings, but it can also harm adult plants. The leaves of the injured plants were still green at the initial stage, only the leaves were slightly dark and dull, and the heart leaves were yellow and white, easy to pull up and generally not easy to detect. Then the leaf color of the diseased plant gradually faded green to yellow or reddish yellow, the leaf tip became brown and dry, the base of the leaf had a light brown water-stained rotten surface, the rotten tissue softened into cheese, and the junction of the healthy part was dark brown. Due to the invasion of secondary bacteria, the rotten noodles smelled so that the whole plant withered. Black rot of pineapple trees the disease mostly occurs in mature fruits during storage, and it is a common disease in pineapple storage. The infection first appeared at the cut end of the fruit stalk, and there were dark brown water-stained soft spots on the fruit surface at the initial stage of the disease, and there was a clear distinction between the water-stained part of the disease spot and healthy tissue. The injured tissue gradually decomposes, turns black, and gives off a unique fragrance. A large amount of fluid exudated from the diseased fruit in the later stage. Click to get more pineapple planting techniques click to get more fruit planting techniques