万宁市南部地区槟榔黄化病情调查

Investigation on the Condition of Areca Yellow Leaf Disease in the South of Wanning

目的了解海南省万宁市南桥镇、长丰镇、南林农场和兴隆农场等地区的槟榔黄化病病情。方法规范地调查采样并进行鉴定。结果被调查地区槟榔黄化病的平均发病率为39.60%,平均病情指数为22.92。结论槟榔黄化病在该地区有快速蔓延之势。

Objective To understand the condition of Areca yellow leaf disease in parts of Wanning city in Hainan Province,such as Nanqiao Town, Changfeng Town, Nanlin Farm and Xinglong Farm. Methods Standardized investigation, sampling and identification were carried out. Results The average incidence rate of Areca yellow leaf disease was 39. 60%,the average disease index was 22. 92. Conclusion Areca yellow disease is spreading fast in this region.