1、澆好兩次水:早(zao)春(chun)的(de)返(fan)青(qing)水(shui)對(dui)榆(yu)葉(ye)梅(mei)的(de)開(kai)花(hua)質(zhi)量(liang)和(he)一(yi)年(nian)的(de)生(sheng)長(chang)至(zhi)關(guan)重(zhong)要(yao)。這(zhe)一(yi)次(ci)澆(jiao)水(shui)不(bu)僅(jin)可(ke)以(yi)防(fang)止(zhi)早(zao)春(chun)凍(dong)害(hai),還(hai)可(ke)及(ji)時(shi)供(gong)給(gei)植(zhi)株(zhu)生(sheng)長(chang)所(suo)需(xu)的(de)水(shui)分(fen),這(zhe)次(ci)澆(jiao)水(shui)宜(yi)早(zao)不(bu)宜(yi)晚(wan),一(yi)般(ban)應(ying)在(zai)3月初進行,過晚則起不到防寒、防凍的作用,澆水時要注意澆足澆透,不可水過地皮濕;另外,在4月yue下xia旬xun還hai應ying再zai澆jiao一yi次ci水shui,這zhe次ci水shui往wang往wang被bei忽hu視shi,實shi際ji上shang這zhe次ci水shui也ye是shi非fei常chang重zhong要yao的de,因yin為wei春chun季ji多duo風feng少shao雨yu,雖sui然ran早zao春chun澆jiao了le返fan青qing水shui,但dan此ci時shi土tu壤rang墒shang情qing已yi經jing不bu好hao,這zhe時shi若ruo澆jiao上shang一yi水shui,無wu異yi於yu錦jin上shang添tian花hua,可ke使shi植zhi株zhu生sheng長chang旺wang盛sheng,枝zhi葉ye繁fan茂mao。
2、施好花後肥:榆葉梅經早春開花、萌芽後,消耗了大量養分,此時應及時對其進行追肥,這次追肥關係到植株花後的生長和花芽的分化,應本著及時、適量的原則來施肥,肥可以用氮、磷、jiafuhefei,ruotongshishiyongyixiefushufajiaodequanfeizexiaoguogenghao,bujinkeshizhizhuyingyangpingheng,liyuzhizhuduiyangfendexishou,hainengyouxiaotigaoturangdetongtouxingheshengwuhuoxing,keyicaiquhuanzhuangshifei,shifeishiyingzhuyiyiqianbuyishen,shifeihouyingzhuyijishijiaoshui。
3、修剪要合理:榆葉梅修剪,早春時應重點將交叉枝、內膛枝、枯死枝、過密枝、病蟲枝、背上直立枝剪掉,還可對一些過長的開花枝和主枝延長枝進行短截,防止花位上移,影響觀賞效果;對長勢不均勻的植株,要本著抑強扶弱的原則,對長勢好的枝條進行短截或疏除;對一些過密的輔養枝和不做預備開花枝培養的上年生枝條要進行疏除;對(dui)大(da)的(de)開(kai)花(hua)枝(zhi)組(zu)枝(zhi)條(tiao)適(shi)當(dang)進(jin)行(xing)短(duan)截(jie),對(dui)各(ge)類(lei)型(xing)開(kai)花(hua)枝(zhi)組(zu)中(zhong)過(guo)密(mi)的(de)枝(zhi)條(tiao)也(ye)應(ying)適(shi)當(dang)進(jin)行(xing)疏(shu)除(chu),防(fang)止(zhi)枝(zhi)條(tiao)過(guo)密(mi)影(ying)響(xiang)開(kai)花(hua)質(zhi)量(liang),經(jing)過(guo)這(zhe)樣(yang)合(he)理(li)修(xiu)剪(jian)的(de)榆(yu)葉(ye)梅(mei)不(bu)僅(jin)花(hua)開(kai)的(de)大(da)而(er)且(qie)花(hua)期(qi)長(chang)。
lingxuyitideshizaihuadiaoxiehouyingjishijiangcanhuajianchu,yimianqijieguo,xiaohaoyangfen,zheyidianchangyinrenlisuoxianbeihushi,qishijianchucanhuashishifenbiyaoerqieduizhizhushengchangfeichangyoulide。
4、防治病蟲害:chunjishibingchonghaidemengdongqi,yingbenzheyufangweizhu,zhizaozhiledeyuanzeduibingchonghaijinxingfangzhi,keyuzaochunmengyaqianduizhizhupenshiyicishiliuheji,yufangbinghai,huaxiezhanyehouzailianxupenliangbian75%甲基托布津1000倍液,每次間隔10天。對流膠病可采取刮除流膠、塗抹波爾多液或塗白等方法進行防治;春季的主要蟲害有紅蜘蛛、蚜蟲、葉跳蟬等,如有發生可選用廣譜殺蟲劑噴殺,但應注意不要發生藥害。
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