很多花卉只有春夏两季开花,但为了满足一年四季的市场用花需求,常采用一定的生产管理技术使花卉冬季也能绽放。牡丹作为广受市场欢迎的一种花卉,当然也很有必要让其在冬季开花。下面为你简单介绍牡丹的冬季催花生产技术。
yi、mudandongjicuihuashouxianzuohaowendu、shidudediaokong
1、chuqiguanli。qianqiwendubaitianzai10-15℃,wanshang6-8℃。7tianzhihoubaitianwendukediaokongdao12-16℃,wanshang8-10℃。kongqixiangduishidubaitiankekongzhizai50-70%,wanshang80-90%。zheiyangjingguo8-10tian,huayamengdongeryouguangze。12-14tian,jikexianlei。zheiyiqijiandeguanliduiyuyihoumudandeshengzhangzhiguanzhongyao。
2、zhongqiguanli。mudanxianleihou,baitianwendukekongzhizai16-18℃,wanshang10-12℃。20tianzuoyoujikejinru“youleiqi”。ciqijianhualeiduiyuwendubianhuafeichangmingan,changyinyouleikangninenglichaerchuxianbaiyu,suoyiwenduyaoxiangduibaochiwending。kongqixiangduishidubaitianbaochizai50-60%,yewan70-90%,qiejiyepian、hualeizhangshijianjiechushuifen,yimianganranbingjun,zheishikeyongduojunling、jiajituobujindengyaowupensazhizhu,shineikeyongbaijunqingyanwujimiejunxiaodu。zhidezhuyideshi,cishiyouleinenruo,yaowushiyongnongdubuyiguogao。
25tianzuoyou,zhizhujinruzhanyeqi。wendubaitiankekongzhizai18-20℃,yewan12-14℃。zhongwuwendugaoshikezaiwenshidingbutongfeng,yiduanlianzhizhudekangnixingneng,tongfengshijiandezhangduanyinggenjushineiwenduerding。buyaozaiwenshixiafangtongfengjiangwen,bimianlengkongqizhijieqinxizhizhu,shihualeitingzhifayu,sucheng“shangfengganmao”。youtiaojiandekezaiwenshineizengshekongqixunhuansheshi,cushishineikongqiliutong,tigaoyepiandezhengtengzuoyong,duimudanzhanye、fangye,jianshaobinghaijunyouhaochu。
35tianzuoyou,hualeijinru“pingleiqi”,cishidehualeikangnixingjiaoqiang,duiwendudebianhuazhujianshiying,zhiyaowendubushibianhuaguoda,jibenbuyingxiangchenghualv,zheishijikegenjuyudinghuaqi,helizhangwowendu。baitianwenduyibankekongzhizai18-20℃,wanshang10-16℃。cijianwenshineiwendugao,shiduda,changyoujingfubingdefasheng,weifangzhizheizhongqingkuangdefasheng,keyongruidumei600-800beiyehuo10%jiajituobujinkeshixingfenji500beiyepenwufangzhi。
3、后期管理。40天左右牡丹进入重萼期,45天左右进入绽口期,此时可根据花开时间合理调控温度,即使存放在2-4℃的冷室中,经10-20天,仍能正常开花。
er、mudandongjicuihuaxuyaorengongbuchongguangzhao
牡丹属于长日照植物,因冬季日照时数短,光照强度弱,往往影响成花率及生长势。初期光照不足可使花梗加长、变细、花朵下垂;后期光照不足时,可影响上色,降低催花质量,因此应适时补充光照,以满足生长发育对光照的要求,具体做法是,用日光灯或白炽灯对牡丹进行补充光源,阴天全天补光,晴天于凌晨和黄昏时补光,现蕾前每天补充光照3小时,日平均光照度为4045勒克斯,现蕾展叶期日加光5小时,日平均光照度5150勒克斯,展叶重开期,日加光7小时,日平均光照度5330勒克斯,即可使叶大而肥,花朵发育好,花色纯正、鲜艳。
san、mudandongjicuihuaxuyaopeizhiteshudepeiyangjizhi,tongshihaiyaobushifeishui
1、peizhijizhi。mudanxihuanfeiwo、shusongdeshazhirangtudi,zaipentuxuanzeshanggengyaozhuyitadetedian,yibanxuanyongjingshuixiguodexiluzha、caotantugeyifenpeizhi,zheizhongjizhitouqixinghao,shenshuinengliqiang,feilizu,zaizhidemudanxinshenggenduo,bulangen,shengzhanghao,zhangshiwang。
2、bushifeishui。chuqiguanli:qianqiyingjiaotoushui,yihougenjupentudeshirunchengdujishijiaoshui,yiban7-10tian1ci。jiehejiaoshui,kezhuishifeiliao,yibanyichongfenfushudebingfei、youzhahuolinsuanerqingjiaxishihoushiyong。zhanyeqihou,jikeduimudangenwaizhuifei,rengyilin、jiafeiheweifeiweizhu,shaoshidanfei。linsuanerqingjiayibanzhangwozai0.3%yinei,yishaoshi、qinshiweiyuanze,3-5tianpenwu1ci,penwushiyebeiheyemiandouyaochongfenpenyun,yibudishuiweiyi。shijianyizaixiawujinxing。jiehepenshifeiliao,jiapenshajunji,yifangzhibinghaidefasheng。