開春以後,我國康乃馨切花主產區雲南、四川兩地的種苗銷售如火如荼,種植戶開始忙著種苗下種。光、溫、水、feishixianqiehuashengchangdesidayaosu,xinandiquqiwenheguangzhaotiaojiandoujiaoweiyouli,chuleshuihefei,kangnaixinmiaoqidebingchonghaifangzhiyefeichangguanjian,zhesangeyaodianxuyaoyinqizhongzhihudezhongshi。
澆水是成活關鍵
四要素中的水對於康乃馨苗期生長非常重要,昆明、xichangdengzhuchanqudongjihechunjijiangshuihenshao,qihouganhan,duiyukangnaixindeshengchanbuli,zhongzhihuxuyaoqinjiaoshuilaibaozhangzhongmiaoshengchangxuqiu。juyunnannongkeyuanhuahuisuozhaopeifeijieshao,kangnaixinzhongmiaoxiazhongde“定根水”是(shi)影(ying)響(xiang)種(zhong)苗(miao)成(cheng)活(huo)率(lv)的(de)關(guan)鍵(jian),在(zai)下(xia)種(zhong)前(qian)應(ying)對(dui)土(tu)壤(rang)進(jin)行(xing)一(yi)次(ci)澆(jiao)水(shui),以(yi)保(bao)證(zheng)土(tu)壤(rang)達(da)到(dao)較(jiao)高(gao)濕(shi)度(du)。春(chun)季(ji)土(tu)壤(rang)特(te)別(bie)幹(gan)燥(zao),如(ru)果(guo)直(zhi)接(jie)下(xia)種(zhong),土(tu)壤(rang)不(bu)僅(jin)不(bu)會(hui)促(cu)進(jin)種(zhong)苗(miao)生(sheng)長(chang),反(fan)而(er)會(hui)吸(xi)收(shou)種(zhong)苗(miao)中(zhong)的(de)水(shui)分(fen),造(zao)成(cheng)種(zhong)苗(miao)枯(ku)死(si)。栽(zai)培(pei)完(wan)成(cheng)後(hou),再(zai)進(jin)行(xing)一(yi)次(ci)澆(jiao)水(shui)。這(zhe)次(ci)澆(jiao)水(shui)要(yao)澆(jiao)透(tou),春(chun)季(ji)的(de)風(feng)很(hen)大(da),所(suo)以(yi)不(bu)用(yong)擔(dan)心(xin)水(shui)澆(jiao)多(duo)了(le)。
苗期施肥有側重
康乃馨喜歡保肥性好的土壤,並要求通氣和排水性能好,最好富含腐殖質,摻有占土壤體積30%至40%的粗有機物,也可用泥炭混入珍珠岩。如果土壤有基肥,則可以在下種15天後施薄肥。若土壤沒有基肥,施肥量要酌情增加。趙培飛說:“在小苗完全成活後,要開始施氮、磷、jiafei,zhexieyuansushikangnaixinshengchanqidouxuyaode,danxiaomiaoshengchangqiyaoduoshidanfei。danfeiduixiaomiaodeyepianshengchangjiaoweiyouli,houqikeyizengjialinfeihejiafeiyongliang。”此外,施肥時盡量不要噴灑在葉麵上,澆灑在根部土壤即可,施肥的頻率以7天至10天較為適宜。
光照無礙蟲害較多
康乃馨是累積性長日照植物,日照累積時間越長,越能促進花芽分化,進而提早開花、增加花量和提高開花整齊度。四川西昌天喜園藝副總經理周培盛談道:“chunjikunminghexichanglianggezhuchanqudeguangzhaoqiangdubingbugao,duikangnaixindeshengchangbijiaoshiyi,zhongzhihumeiyoubiyaoshiyongzheyangwangdengsheshi。suizheqiwenzhujianshenggao,kuaidaoxiajishikeyishidangzengjiazheyangwangdengsheshi。qiwenshenggaohuidaozhichonghaizengjia,jiaoweichangjiandeshiyachonghejima,keyishiyongbutongpinpaideshachongjijinxingchuli,jiaotishiyongxiaoguogenghao,yifangzhichonghaiyinqiyepianniuqu。xiangduichonghailaishuo,kangnaixinmiaoqidebinghaibingbuduo,heibanbingheliandaojunyinqidekuweibinghouqikenengchuxian,keyishiyongkeshade、百菌清等交替進行預防。”
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