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本刊讯随着柑桔鲜果市场趋旺态势,江永县果农更加重视管理,但配套技术滞后,黄化现象趋重,存在一定的“恐黄”现象。为了摸清柑桔黄化情况,该县3月开始组织农技人员以村为单位开展普查。从普查情况分析,柑桔黄化现象水田柑桔园重于丘岗山地柑桔园,甜橙重于椪柑,夏橙重于脐橙,纽荷尔脐橙重于7904脐橙。柑桔黄化现象的主要诱因是排水不良致须根少、根腐病严重;其次是柑桔立地土层过浅,重茬严重,裂皮病严重,挂果过量;
With the vigorous trend of citrus fruit market, Jiangyong County, more emphasis on management of fruit farmers, but the supporting technology lag, yellowing phenomenon, there is a certain “yellowing ” phenomenon. In order to find out the citrus yellowing situation, the county began in March organized agricultural workers to carry out censuses in the village. From the census analysis, citrus yellowing orange paddy field is heavier than the hillock mountain orange garden, orange is heavier than orange, summer orange is heavier than navel orange, Newhall navel orange is heavier than 7904. Citrus yellowing phenomenon is the main cause of poor drainage caused by less root, root rot serious; followed by citrus formation of shallow soil, serious serious split, split skin disease, excessive fruiting;