dahuaxuancaojuyoukanghannengliqiang、naigaowen、kangdihan、turangshiyingxingqiangdengtedian,yuanlinyongtuguangfan,changyonglaibuzhihuatan、zuomalugelidai、shulincaopodeng。benwenweinijieshaodahuaxuancaochangyongdesizhongfanzhifangfa。
一、分株法
fenzhufadeyoudianshizhizhurongyicunhuo,zhangshibijiaoyizhi。dahuaxuancaofenzhufafanzhitongchangzaichunjimengyaqianjinxing。fenzhushiyingxuanyongshengzhangwangsheng、hualeiduo、pinzhihao、wubingchonghaidezhizhu。
分株法技术要点:挖取株丛的一部分分蘖作为种苗,挖取部分要带根,从短缩茎处割开,将老根、朽根和病根剪除,尽量保留肉质根,适当剪短(约留10厘米)后即可栽植。栽植应选在晴天进行,边挖苗,边分苗,边栽苗,尽量少伤根,这样缓苗快。一般2至3年分株一次,以保证植株旺盛的生长势。
二、播种法
bozhongfadeyoudianshikekuaisudaliangshengchandahuaxuancaozhongmiao。
播种法技术要点:苗床要先施足底肥,床宽1.3至1.7米,长30米左右,两侧挖排水沟。播种时每隔20厘米开深约3厘米的浅沟,把种子均匀的播入沟内,盖一层细土,再薄铺一层细沙。出苗前要浇水和除草,保持好土壤湿度,秋季即可起苗栽植。每亩苗床用种子2.5公斤,可育苗5至6万株。
三、分芽法
fenyafajishuyaodian:huayakeyiconghuajingshangqiegexialai,ruotijijiaoda,zaizhongzhiqiankeyijinyibufenge。yizhihoudehuayazaiyizhouhoujikeshenggen。keyiliyongshenggendehuayayangzhizhizhu,tigaozaizhideshuliang,zuizhongtigaojingjixiaoyi。
四、组培法
zupeifajishuyaodian:xianyoudaoyounenqiguanchanshengyushangzuzhi,ranhouyongshidangpeiyangjizaishiyidewenshiguangqidengtiaojianxiapeiyangchengyouxiaozhizhu。zaijiangxiaomiaojiazhiyuyingyangbo,jingyiduanshijianpeiyangchengzhizhuyoumiao,zhihoudingzhi。danzheizhongfangfahaimeiyoubeiguangfanjieshou。
yishangjiushidahuaxuancaochangyongdejizhongfanzhifangfa,dajiakeyigenjushijiqingkuangxuanzeduiyingdefanzhifangfa。