1、boerduoyedeshajunyuanliboerduoyepenzaizhiwubiaomianhou,shizhiwubiaomianxingchengyicengbaohumo,qimoshangmibuyoulidetonglizi,juntihuobingyuantijiechutonglizihou,tonglizikeshenrujuntixibaoyumeijiehe,congershiquhuoxingjishengmingli。danduiyiqinruzhiwutineidebingjunshashanglijiaodi。
2、波爾多液的配製波爾多液的原料配製是:硫酸銅、生石灰、水,要選擇青蘭色,有光澤的硫酸銅晶體,綠色或紅色有雜質不宜使用;選白色塊狀新鮮優質石灰塊。原料之間的比例為1:2--3:200-400,即1份硫酸銅,2-3份生石灰和200-400份水。
配製方法:jiangliusuantongheshengshihuifenbiefangzaifeijinshurongqizhong,yongshaoliangreshuihuakai,jiangsanfenzhiyideshuidaorushihuiyezhong,jiangsanfenzhierdeshuidaoruliusuantongyezhong,ranhoujiangliusuantongyemanmandaorushihuiruzhong,biandaobianjiaoban,shiyetichengtianlanse,jipeizhiwancheng。
3、波爾多液在棗樹上的應用棗樹開花前,在噴殺蟲、殺菌、抗病毒藥物7天後,用硫酸銅:石灰:水=1:3:400的波爾多液噴籬可防止炭疽病、鏽病等病原菌的侵害;7月初棗果進入膨大期後,用1:2:300的波爾多液,防縮果病、炭疽病等;8月份棗果進入膨大後期用1:2:200的波爾多液防炭疽病和褐斑病。
4、注(zhu)意(yi)事(shi)項(xiang)波(bo)爾(er)多(duo)液(ye)配(pei)製(zhi)時(shi)一(yi)定(ding)要(yao)將(jiang)大(da)部(bu)分(fen)的(de)硫(liu)酸(suan)銅(tong)液(ye)倒(dao)入(ru)少(shao)部(bu)分(fen)的(de)石(shi)灰(hui)乳(ru)中(zhong),絕(jue)不(bu)可(ke)將(jiang)石(shi)灰(hui)乳(ru)倒(dao)入(ru)硫(liu)酸(suan)銅(tong)液(ye)中(zhong),否(fou)則(ze)會(hui)產(chan)生(sheng)沉(chen)澱(dian),降(jiang)低(di)藥(yao)效(xiao),導(dao)致(zhi)藥(yao)害(hai)。
波bo爾er多duo液ye的de配pei製zhi,如ru果guo配pei用yong硫liu酸suan銅tong過guo量liang,易yi產chan生sheng藥yao害hai。石shi灰hui含han量liang大da比bi較jiao安an全quan,並bing且qie附fu著zhe力li強qiang,藥yao效xiao較jiao持chi久jiu,但dan殺sha菌jun作zuo用yong減jian慢man,防fang治zhi效xiao果guo降jiang低di。反fan之zhi,石shi灰hui用yong量liang小xiao,藥yao效xiao加jia快kuai,防fang治zhi效xiao果guo提ti高gao,藥yao害hai相xiang對dui增zeng大da。波bo爾er多duo液ye要yao隨sui用yong隨sui配pei,放fang置zhi時shi間jian不bu宜yi超chao過guo24小時。
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