防治方法:從病害發生初期開始,用50%甲霜銅可濕性粉劑700-800倍液、72.2%普力克水劑800倍液、64%殺毒礬可濕性粉劑500倍液或58%甲霜靈錳鋅可濕性粉劑500倍液,每隔7-10天噴1次,連噴3-4次。必要時,也可用上述藥液灌根,每株灌0.4-0.5升;若噴霧與灌根同時進行,則效果更好。
西瓜疫病又叫疫黴病,俗稱"死秧",是一種土傳真菌病害,在西瓜幼苗及成株期均能發生,尤以西瓜生長後期、高溫多雨條件下,發病迅速而嚴重;一般雨季來得早,降水時間長、雨量大,則發病早、病情重、sunshida。tianjianfabinggaofengwangwangjinjiezaiyulianggaofengyihou。yepianfabing,chanshenganlvseshuizizhuangyuanxinghuobuguizexingbingban,shidudashifulanhuoxiangkaishuitangguoyiyang,ganzaoshibingbandanhese,yipolie。manjibufabing,chuxianfangchuixingshuijinzhuanganlvseaoxianban,baoweijingbuqiefulan,bingbuyishangquanbukusi。guoshifabing,xingchenganlvseyuanxingshuijinzhuangaoxianban,houxunsukuojiquanguo,zhiguoshifulan,fachuqingzhusiliaodeqiwei,bingbubiaomianmishengbaisejunsi。
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