最近,一些種植越夏西紅柿的菜農反映,近期西紅柿細菌性病害發生嚴重,如細菌性髓壞死、chuangjiabinghekuiyangbingdeng。zaishiyongtongyizhongyongyaofangfajinxingfangzhishi,youdecainongfanyingxiaoguohenhao,eryouxiecainongzefanyingxiaoguoquebulixiang。jirantongshixijunxingbinghai,weishenmetongyangyongyaofangzhixiaoguochabiequezhemedane?
據ju筆bi者zhe了le解jie,細xi菌jun可ke在zai西xi紅hong柿shi植zhi株zhu的de表biao皮pi或huo者zhe內nei部bu為wei害hai,而er防fang治zhi細xi菌jun性xing病bing害hai的de藥yao劑ji又you分fen為wei觸chu殺sha性xing藥yao劑ji和he內nei吸xi性xing藥yao劑ji兩liang類lei。觸chu殺sha型xing藥yao劑ji主zhu要yao是shi指zhi銅tong製zhi劑ji,內nei吸xi性xing藥yao劑ji則ze包bao括kuo抗kang生sheng素su類lei、葉枯唑等。所以,在防治時,針對西紅柿植株不同部位發生的細菌性病害,防治方法也有所不同。像西紅柿的瘡痂病、潰(kui)瘍(yang)病(bing)等(deng)病(bing)害(hai),細(xi)菌(jun)主(zhu)要(yao)在(zai)西(xi)紅(hong)柿(shi)的(de)表(biao)皮(pi)為(wei)害(hai),菜(cai)農(nong)可(ke)以(yi)使(shi)用(yong)銅(tong)製(zhi)劑(ji)等(deng)具(ju)有(you)觸(chu)殺(sha)性(xing)的(de)藥(yao)劑(ji)進(jin)行(xing)防(fang)治(zhi),效(xiao)果(guo)較(jiao)好(hao)。而(er)細(xi)菌(jun)性(xing)髓(sui)壞(huai)死(si)主(zhu)要(yao)是(shi)在(zai)西(xi)紅(hong)柿(shi)植(zhi)株(zhu)的(de)莖(jing)稈(gan)內(nei)部(bu)為(wei)害(hai),這(zhe)時(shi)如(ru)果(guo)再(zai)使(shi)用(yong)觸(chu)殺(sha)性(xing)的(de)銅(tong)製(zhi)劑(ji)等(deng)進(jin)行(xing)防(fang)治(zhi),效(xiao)果(guo)就(jiu)不(bu)理(li)想(xiang),菜(cai)農(nong)應(ying)使(shi)用(yong)具(ju)有(you)內(nei)吸(xi)性(xing)的(de)藥(yao)劑(ji),如(ru)農(nong)用(yong)鏈(lian)黴(mei)素(su)、葉枯唑、新植黴素等,效果較好。
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