蘿luo卜bu軟ruan腐fu病bing是shi由you胡hu蘿luo卜bu軟ruan腐fu歐ou氏shi杆gan菌jun軟ruan腐fu病bing亞ya種zhong侵qin染ran引yin起qi的de蘿luo卜bu常chang見jian病bing害hai
，蘿luo卜bu肉rou質zhi根gen發fa病bing後hou完wan全quan失shi去qu商shang品pin價jia值zhi和he食shi用yong價jia值zhi。近jin年nian來lai，進jin入ru雨yu季ji以yi後hou，蘿luo卜bu軟ruan腐fu病bing發fa病bing均jun較jiao為wei嚴yan重zhong
，應ying多duo加jia防fang範fan。

changqilianzuodaozhiturangzhongdebingyuanjishuzengda。youyuluobuzaipeizhonglianzuojiaoduo
，zhishiturangzhongruanfubingbingyuanxijunjishuzhunianzengda
，zheshiluoburuanfubingjiazhongfashengdejichu。gengweiyanzhongdeshiyoudecainongjiangqianchawushangpinjiazhidedaliangranbingluobuzhijiekansuifanrucaitiandangfeiliao，shiturangzhongruanfubingbingyuanxijunjishuxunsuzengda，daozhiluoburuanfubingbaofa。

雨水多
、土壤濕度大。雨季栽培蘿卜
，由於雨水多
、土(tu)壤(rang)濕(shi)度(du)大(da)，為(wei)病(bing)原(yuan)細(xi)菌(jun)的(de)繁(fan)衍(yan)提(ti)供(gong)了(le)良(liang)好(hao)的(de)濕(shi)度(du)環(huan)境(jing)。而(er)雨(yu)點(dian)撞(zhuang)擊(ji)蘿(luo)卜(bu)病(bing)部(bu)後(hou)形(xing)成(cheng)向(xiang)外(wai)飛(fei)濺(jian)的(de)小(xiao)雨(yu)點(dian)，可(ke)直(zhi)接(jie)將(jiang)軟(ruan)腐(fu)病(bing)的(de)病(bing)原(yuan)細(xi)菌(jun)向(xiang)外(wai)傳(chuan)播(bo)，這(zhe)是(shi)雨(yu)季(ji)蘿(luo)卜(bu)軟(ruan)腐(fu)病(bing)易(yi)暴(bao)發(fa)的(de)主(zhu)要(yao)外(wai)因(yin)。

裂(lie)根(gen)和(he)地(di)下(xia)害(hai)蟲(chong)為(wei)害(hai)加(jia)重(zhong)了(le)軟(ruan)腐(fu)病(bing)的(de)發(fa)生(sheng)。據(ju)調(tiao)查(zha)，蘿(luo)卜(bu)軟(ruan)腐(fu)病(bing)發(fa)病(bing)重(zhong)的(de)田(tian)塊(kuai)，往(wang)往(wang)也(ye)是(shi)裂(lie)根(gen)現(xian)象(xiang)或(huo)地(di)下(xia)害(hai)蟲(chong)為(wei)害(hai)較(jiao)重(zhong)的(de)田(tian)塊(kuai)。裂(lie)根(gen)現(xian)象(xiang)突(tu)出(chu)、dixiahaichongweihaijiaozhongshiluoburuanfubingduofadeyouyizhongyaoyuanyin。yinweibingyuanxijunzhuyaotongguoshangkouqinru，erliegenhegezhongdixiahaichongweihaihuizailuoburouzhigenbiaomianxingchengshanghen，weibingyuanxijundeqinruchuangzaoletiaojian
，erqieluoburuanfubingdebingyuanxijunyenengtongguohaichongchuanbo。