馬鈴薯出現“塊莖開花”實(shi)際(ji)上(shang)是(shi)得(de)了(le)癌(ai)腫(zhong)病(bing)。從(cong)馬(ma)鈴(ling)薯(shu)癌(ai)腫(zhong)病(bing)的(de)名(ming)字(zi)就(jiu)能(neng)知(zhi)道(dao)這(zhe)種(zhong)病(bing)害(hai)主(zhu)要(yao)為(wei)害(hai)馬(ma)鈴(ling)薯(shu)，不(bu)會(hui)為(wei)害(hai)其(qi)他(ta)作(zuo)物(wu)，更(geng)不(bu)可(ke)能(neng)危(wei)害(hai)人(ren)的(de)健(jian)康(kang)。所(suo)謂(wei)癌(ai)腫(zhong)

，是(shi)由(you)於(yu)病(bing)菌(jun)所(suo)到(dao)之(zhi)處(chu)不(bu)斷(duan)刺(ci)激(ji)寄(ji)主(zhu)細(xi)胞(bao)分(fen)裂(lie)
，形(xing)成(cheng)大(da)大(da)小(xiao)小(xiao)的(de)瘤(liu)子(zi)，較(jiao)大(da)的(de)甚(shen)至(zhi)包(bao)圍(wei)地(di)下(xia)莖(jing)基(ji)部(bu)。塊(kuai)莖(jing)受(shou)害(hai)形(xing)成(cheng)癌(ai)腫(zhong)
，多(duo)發(fa)生(sheng)於(yu)芽(ya)眼(yan)處(chu)。瘤(liu)子(zi)的(de)表(biao)皮(pi)又(you)常(chang)龜(gui)裂(lie)、shusong，leisicaihuazhuang。aizhongzuzhiqianqichenghuangbaise，houqibianheihese，songruan
，yifulanbingchanshengechou。bingshuzaijiaozangqirengnengjixukuozhanweihai

，shenzhezaochenglanjiao。tianjianbingzhuchuqiyujianzhuwumingxianqubie，houqibingzhujiaojianzhugao
，yesenonglv，fenzhiduo，hua
、莖
、葉均可產生畸形病變。
   
　　馬鈴薯癌腫病1895nianshoucifaxianyuxiongyali，xianzaiyijingchengweishijieshangxuduoguojiamalingshushengchanshangdeweixianxingbinghai，zaiwoguoquedingweiyileijianyixingzhenjunbinghai。zhezhongbinghaizaichangfaquyibanjianchan50%
，並且降低薯塊品質，重者絕收或雖有產量但病薯煮不爛，不堪食用。

yinqimalingshuaizhongbingdebingjunshiyizhongdidengzhenjun。bingjunyixiumianbaozinangzaibingzuzhineihuosuibingcantiyiluotuzhongyuedong。xiumianbaozinangkangnixinghenqiang，shenzhikezaituzhongcunhuoersanshinian，tiaojianshiyishi
，mengfachanshengyoudongbaozihehezi，congjizhubiaopixibaoheyayanchuqinru。zaishengchangjijiebingjunyikaobaozinangheyoudongbaozibuduanchuanboqinran。diwenduoshi、氣候冷涼、晝夜溫差大
、土壤濕度高、溫度在12℃～24℃的條件下有利病菌侵染，所以目前該病害主要發生在四川、雲南
，而且疫區一般在海拔2000米左右的冷涼山區。此外，土壤酸性、有機質豐富有利發病。

由you於yu病bing種zhong薯shu是shi病bing害hai傳chuan播bo和he延yan續xu的de重zhong要yao環huan節jie，當dang前qian，控kong製zhi馬ma鈴ling薯shu癌ai腫zhong病bing的de首shou要yao措cuo施shi是shi對dui種zhong薯shu實shi行xing嚴yan格ge檢jian疫yi，特te別bie要yao檢jian查zha芽ya眼yan周zhou圍wei有you無wu腫zhong瘤liu。劃hua定ding疫yi區qu和he嚴yan禁jin疫yi區qu種zhong薯shu向xiang外wai調tiao運yun，建jian立li無wu病bing種zhong薯shu繁fan育yu基ji地di。病bing田tian的de土tu壤rang及ji其qi上shang生sheng長chang的de植zhi物wu也ye嚴yan禁jin外wai移yi。其qi次ci是shi選xuan用yong抗kang病bing品pin種zhong。重zhong病bing地di塊kuai應ying改gai種zhong非fei茄qie科ke作zuo物wu。一yi般ban發fa生sheng區qu要yao在zai種zhong植zhi前qian嚴yan格ge剔ti除chu病bing薯shu，施shi用yong淨jing糞fen

，增zeng施shi磷lin鉀jia肥fei，生sheng長chang季ji節jie及ji時shi挖wa除chu病bing株zhu集ji中zhong燒shao毀hui
，入ru窖jiao前qian也ye要yao盡jin量liang剔ti除chu病bing薯shu。另ling外wai，增zeng施shi石shi灰hui，中zhong和he土tu壤rang酸suan性xing有you一yi定ding的de防fang病bing作zuo用yong。