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香蕉是我区的主要果树之一,现有种植面积达3000公顷。近年来,由于引起香蕉束顶、花叶、黄叶等病症的各种病害影响,危及了香蕉的生产。据初步调查,由于上述病症而被挖除率为20—40%,严重者达90%,迫使病地改种或轮作。笔者1989年在本所香蕉病害综合防治试验田中发现,大部分具有束顶和黄叶症状的蕉株,其根部在不同程度上感染了南方根结线虫(Meloidogyneincognita)。并已明显构成危害,这在国内未查见详细记载,特将调查结果报告如下。
Banana is one of the main fruit trees in my district, with an existing planted area of 3,000 hectares. In recent years, due to the banana top, mosaic, yellow leaves and other diseases caused by a variety of diseases, endanger the production of bananas. According to the preliminary investigation, due to the above-mentioned illness, the rate of removal is 20-40% and the seriousness is 90%, forcing the disease to be replanted or rotated. The author found in 1989 in our banana disease comprehensive prevention and control experiment field, most of the plants with the top of the beam and yellow leaf symptom, the root infected to varying degrees with Meloidogyne incognita (Meloidogyne incognita). And has clearly constituted a hazard, which is not found in the country documented in detail, especially the findings of the report as follows.