1、 地下莖切塊繁殖
采用地下莖切塊育苗一般在11-12月間,將地下莖挖出來,大的可切成7-8塊,小的切成兩塊,每塊留一壯芽,塊重120克以上,切口塗上草木灰,按株行距15厘米×15厘米的規格,芽眼朝上,平放在畦麵上,蓋一層薄土,然後再蓋些稻草。翌年1-2月,待蕉苗高40-50厘(li)米(mi)時(shi),即(ji)可(ke)控(kong)苗(miao)定(ding)植(zhi)。此(ci)法(fa)育(yu)出(chu)的(de)種(zhong)苗(miao)可(ke)與(yu)同(tong)期(qi)定(ding)值(zhi)的(de)吸(xi)芽(ya)同(tong)時(shi)開(kai)花(hua)結(jie)果(guo),產(chan)量(liang)無(wu)差(cha)異(yi)。但(dan)要(yao)注(zhu)意(yi)選(xuan)擇(ze)無(wu)病(bing)健(jian)壯(zhuang)的(de)母(mu)株(zhu),否(fou)則(ze)很(hen)難(nan)避(bi)免(mian)束(shu)頂(ding)病(bing)傳(chuan)播(bo)。
2、 吸芽繁殖
采用3-4月出土、苗高40-50厘米的劍芽和褸衣芽進行分株繁殖。劍芽,即當年春、xiajimengfadeya,xingsizhusun,yepianxixiaorujian,ciyadingzhixianchangye,houchanggen,miaolingyouxiao。lvyiyayouchengguodongya,shiqiannianqiumocongdixiajingjiaodibuweimengfadeya,youyudonghouyepiangankuxiachui,xingsipoyishan,guerdeming。ciyadingzhihoushixianchanggen,houchangye,shengchangxunsu,jieguojiaozao。fenzhushiyaoyongtezhidechangbinglichan,congxiyashimuzhuxianglianchugeli,jinliangshaoshangmuzhudixiajingbu。xiyabixudaiyoubenshendedixiajing,dingzhihouyiyuchenghuo,qiekouzuihaotuyicaomuhui,bingliangganhoujinxingdingzhi。bunengxuanzeshengchangxiruodemuzhuhuoshouguohoucanzhudixiajingchoufachudedayeya,cimiaochangshiruo,jieguochi,yongqixiyafanzhirongyifashengshudingbing。
為了減少蕉苗帶來的病蟲害,蕉苗必須消費處理。方法是:采用石灰少量式波爾多液(硫酸銅0.5千克,生石灰0.175千克,加水50千克)、或50%多菌靈可濕性粉劑1000倍液、或50%托布津可濕性粉劑1000倍液噴灑,以消滅炭疽病和葉班病病菌,可用40%樂果乳劑2000倍液消滅帶毒蚜蟲,預防束頂病的發生。
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