白粉病
在冬剪的同時,徹底清潔出間,消滅越冬菌源,合理施肥,適量灌溉,防止樹體貪青徒長,減輕病害發生。藥劑防治可在發病初期噴布0,3度石硫合劑,或50%甲基托布津可濕性粉劑1000倍液。
枝枯病
剪(jian)除(chu)病(bing)枝(zhi)並(bing)燒(shao)毀(hui),清(qing)除(chu)和(he)減(jian)少(shao)病(bing)源(yuan),加(jia)強(qiang)栽(zai)培(pei)管(guan)理(li),增(zeng)強(qiang)樹(shu)勢(shi)增(zeng)施(shi)有(you)機(ji)肥(fei),促(cu)使(shi)樹(shu)體(ti)健(jian)壯(zhuang),提(ti)高(gao)抗(kang)病(bing)力(li)。在(zai)冬(dong)季(ji)做(zuo)好(hao)防(fang)凍(dong)工(gong)作(zuo),預(yu)防(fang)樹(shu)體(ti)受(shou)凍(dong),減(jian)輕(qing)發(fa)病(bing),及(ji)時(shi)預(yu)防(fang)害(hai)蟲(chong),避(bi)免(mian)造(zao)成(cheng)各(ge)種(zhong)傷(shang)口(kou),減(jian)少(shao)病(bing)菌(jun)侵(qin)入(ru)機(ji)會(hui)。另(ling)外(wai),當(dang)主(zhu)幹(gan)或(huo)大(da)枝(zhi)發(fa)病(bing)時(shi),要(yao)及(ji)時(shi)刮(gua)除(chu)病(bing)斑(ban),可(ke)在(zai)病(bing)部(bu)用(yong)10%蔥油進行塗治。
腐爛病
jiaqiangzongheguanli,zengjiayoujiyuebaliao,gailiangturang,helixiujian,tigaoshushi,zengqiangkangbingli。chunjifabinggaofengshi,jishiguachubingban,xiaohuibingshupijibingzhi。guahouyaozaishangkouchutumofumeishen100倍液或5度~10度的石硫合劑。最關鍵的是,在入冬前一定要對樹幹進行塗白以預防凍害。
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