土壤處理:維(wei)持(chi)田(tian)間(jian)濕(shi)度(du)幹(gan)旱(han)時(shi)勤(qin)澆(jiao)水(shui),避(bi)免(mian)辣(la)椒(jiao)因(yin)空(kong)氣(qi)單(dan)調(tiao),泥(ni)土(tu)濕(shi)度(du)小(xiao)而(er)落(luo)花(hua)落(luo)果(guo)延(yan)續(xu)陰(yin)雨(yu)氣(qi)象(xiang),辣(la)椒(jiao)整(zheng)個(ge)生(sheng)育(yu)期(qi)均(jun)可(ke)發(fa)病(bing),主(zhu)要(yao)危(wei)害(hai)葉(ye)片(pian)和(he)果(guo)實(shi),成(cheng)熟(shu)的(de)果(guo)實(shi)和(he)老(lao)葉(ye)易(yi)受(shou)害(hai)。葉(ye)片(pian)受(shou)害(hai),葉(ye)緣(yuan)出(chu)現(xian)近(jin)圓(yuan)形(xing)水(shui)漬(zi)狀(zhuang)褐(he)斑(ban),病(bing)斑(ban)中(zhong)間(jian)淡(dan)灰(hui)色(se),其(qi)上(shang)有(you)輪(lun)生(sheng)小(xiao)黑(hei)點(dian)(病菌分生孢子盤)。果梗受害,產生褐色不規則凹陷斑,幹燥時易開裂。果實受害後易幹縮,病斑呈膜狀,易破裂同時配合噴施新高脂膜800倍同時配合噴施促花王3號,可迫使植株枝條頂梢旺盛的精華營養回流,轉向飽和供應果實生殖發育。控梢瘋長、均衡成花量、提高花粉受精質量和果實膨大速度,省去了整枝管理。
植株調整:但dan是shi辣la椒jiao的de根gen係xi較jiao弱ruo,再zai生sheng能neng力li較jiao弱ruo,過guo旱han或huo過guo澇lao都dou會hui影ying響xiang辣la椒jiao根gen係xi的de生sheng長chang,導dao致zhi辣la椒jiao生sheng長chang不bu良liang。菜cai農nong為wei了le防fang止zhi辣la椒jiao旺wang長chang而er長chang時shi間jian不bu澆jiao水shui,就jiu會hui導dao致zhi土tu壤rang中zhong的de養yang分fen不bu能neng溶rong解jie而er辣la椒jiao不bu能neng吸xi收shou利li用yong,導dao致zhi辣la椒jiao出chu現xian脫tuo水shui脫tuo肥fei,生sheng長chang弱ruo小xiao,開kai花hua坐zuo果guo能neng力li降jiang低di。用yong根gen施shi通tong膠jiao囊nang與yu‘微肥’配pei合he灌guan根gen可ke使shi能neng誘you導dao植zhi株zhu對dui土tu壤rang中zhong氮dan磷lin鉀jia。及ji各ge種zhong微wei量liang元yuan素su消xiao化hua釋shi放fang提ti升sheng果guo實shi發fa育yu正zheng能neng量liang優you化hua果guo實shi品pin質zhi。尤you其qi是shi到dao辣la椒jiao的de生sheng長chang中zhong後hou期qi,因yin為wei辣la椒jiao的de根gen係xi發fa育yu不bu良liang,當dang辣la椒jiao進jin入ru坐zuo果guo旺wang季ji時shi,就jiu會hui因yin根gen係xi吸xi收shou的de養yang分fen不bu足zu而er導dao致zhi出chu現xian大da量liang的de落luo花hua落luo果guo現xian象xiang,大da大da影ying響xiang辣la椒jiao的de產chan量liang。噴pen施shi辣la椒jiao壯zhuang蒂di靈ling可ke增zeng強qiang各ge種zhong辣la椒jiao植zhi株zhu營ying養yang匹pi配pei功gong能neng,杆gan莖jing、果蒂增粗,葉片葉色肥厚鮮嫩,防止病蟲擴散及提高抗災能力,有效提高產量。
病蟲害防治:在高溫高濕條件下蔓延快,危害時間長,常造成較大損失。應采取綜合措施:(1)選優良品種,適時播種,播種施足底肥、澆透水,整地下種後,再噴灑新高脂膜土壤表麵,可保墒防水分蒸發、防曬抗旱、保溫防凍、防土層板結,窒息和隔離病蟲源,提高出苗率。(2)加強栽培管理。根據品種特性和肥水條件合理密植;噴(pen)施(shi)新(xin)高(gao)脂(zhi)膜(mo)在(zai)植(zhi)物(wu)表(biao)麵(mian),能(neng)防(fang)止(zhi)病(bing)菌(jun)侵(qin)染(ran),提(ti)高(gao)抗(kang)自(zi)然(ran)災(zai)害(hai)能(neng)力(li),提(ti)高(gao)光(guang)合(he)作(zuo)用(yong)強(qiang)度(du),保(bao)護(hu)禾(he)苗(miao)茁(zhuo)壯(zhuang)成(cheng)長(chang)。棚(peng)室(shi)及(ji)時(shi)通(tong)風(feng)排(pai)濕(shi),避(bi)免(mian)高(gao)溫(wen)高(gao)濕(shi);雨後及時排水,及時清除病殘株;(4)發病初期噴施新高脂膜+針對性藥物,每隔10~15天一次,連續防治3~4次。
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