蘿卜病蟲害的防治方法：

(一(yi))蘿(luo)卜(bu)(bu)病(bing)害(hai)蘿(luo)卜(bu)(bu)病(bing)害(hai)主(zhu)要(yao)是(shi)(shi)病(bing)毒病(bing)和黑(hei)腐病(bing)。病(bing)毒病(bing)至今無特效藥劑，主(zhu)要(yao)辦(ban)法是(shi)(shi)治蚜，防(fang)止高溫干旱。黑(hei)腐病(bing)是(shi)(shi)由(you)黑(hei)腐菌引起(qi)的病(bing)害(hai)，主(zhu)要(yao)癥狀是(shi)(shi)根部中心變黑(hei)以及肉質(zhi)根的維管(guan)束變黑(hei)腐爛。病(bing)菌在(zai)種(zhong)子(zi)、病(bing)株殘體上越冬，借雨(yu)水昆蟲傳播。應(ying)該選用抗病(bing)品種(zhong)，一(yi)般(ban)青蘿(luo)卜(bu)(bu)輕(qing)，白蘿(luo)卜(bu)(bu)重(zhong)，也可用50溫湯浸(jin)(jin)種(zhong)30分鐘，或福美雙100倍(bei)液浸(jin)(jin)種(zhong)2小時，可噴灑800倍(bei)液代森銨等。

(二)蘿卜(bu)(bu)蟲(chong)(chong)(chong)害蘿卜(bu)(bu)蟲(chong)(chong)(chong)害有(you)黃條跳甲(jia)、小地老虎(hu)、菜(cai)(cai)青蟲(chong)(chong)(chong)(菜(cai)(cai)白(bai)蝶幼蟲(chong)(chong)(chong))和鉆(zhan)心(xin)蟲(chong)(chong)(chong)(菜(cai)(cai)螟幼蟲(chong)(chong)(chong))等(deng)。黃條跳甲(jia)成蟲(chong)(chong)(chong)可(ke)(ke)以(yi)(yi)用(yong)90%敵(di)百蟲(chong)(chong)(chong)1000倍(bei)液(ye)打藥(yao)防(fang)治(zhi)，幼蟲(chong)(chong)(chong)可(ke)(ke)以(yi)(yi)在灌水后再用(yong)上(shang)述藥(yao)液(ye)灌澆(jiao)。小地老虎(hu)可(ke)(ke)以(yi)(yi)用(yong)20%殺滅菊酯乳劑8000倍(bei)液(ye)噴灑，也可(ke)(ke)以(yi)(yi)堆草進行(xing)誘殺，將菜(cai)(cai)葉打碎，噴上(shang)90%晶制敵(di)百蟲(chong)(chong)(chong)400-500倍(bei)液(ye)，傍(bang)晚散放在根(gen)旁，殺蟲(chong)(chong)(chong)效果也很(hen)好。