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近日,广东省植保植检总站组织专家组,赴湛江市遂溪县调研火龙果病害发生为害情况。遂溪县种植火龙果约2万多亩,近年来出现大面积不同程度发病症状。专家组前往发病较重的杨柑镇布政村,随机选取约4亩果园,据调查,90%火龙果茎部发生褐腐病,同时还有少量炭疽病、疮痂病等发生。但主要是褐腐病引起,其它病害后期伴随侵染。调查组初步认为:火龙果上发生的主要病害褐腐病,其病原菌为半知菌亚门节格孢属新暗色柱节孢。火龙果在广东省种植时间不长,对该病害的防治方法还须进一步研究。目前专家建议采取如下防治措施:一是引种无病苗木。确保苗木
Recently, Guangdong Provincial Plant Protection Plant Inspection Station organized an expert group to go to Suixi County, Zhanjiang City, the investigation of dragon fruit disease damage situation. Suixi planting dragon fruit about 20,000 mu, in recent years a large area of varying degrees of onset symptoms. The expert group went to Buzheng Village, Yanggan Town, where the incidence was heavier, and randomly selected about 4 mu of orchards. According to the survey, 90% of the fruits of Pitaya suffered from brown rot, while a small amount of anthracnose and scab developed. But mainly caused by brown rot, other diseases with the late infection. The investigation team initially thought: the main disease occurred on the dragon fruit brown rot disease, the pathogen is Candida albicans new dark Arthrospira spores. Dragon fruit in Guangdong Province, planting time is not long, the prevention and treatment of the disease still need further study. The current experts suggest the following prevention and treatment measures: First, the introduction of disease-free seedlings. Make sure seedlings