槟榔作为海南第二大经济作物,种植面积130多万亩,全省15个市县种植,从业人员达200多万。2014年槟榔种植产业产值41.5亿元,占当年农业总产值的3%。从1981年海南首次发现槟榔黄化病起,目前全省发生面积已不少于30万亩,全省槟榔黄化病发生的面积还在不断扩大,甚至出现加速扩散的势头,槟榔种植面积、农产品品质不同程 Areca as Hainan’s second largest cash crop, planting more than 130 acres, the province’s 15 cities and counties, employing more than 200 million. In 2014, the output value of betel nut planting industry was 4.15 billion yuan, accounting for 3% of the total agricultural output value of that year. Since the first discovery of betel nut yellow disease in Hainan in 1981, the area of ​​the province is no less than 30 million mu. The area of ​​betel yellowing disease in the province is still expanding, and even the trend of accelerating the spread of areca planted area, Different quality of agricultural products