茉莉花的无土栽培
茉莉花的无土栽培,茉莉花香的主要成分是茉莉酮,它能使平滑肌收缩,并有降低血压的作用。从茉莉花中提取的茉莉浸膏,是香料工业调制茉莉型香精的主要原料。
茉莉花的无土栽培技术的基本要领,是将扦插生根的幼苗采用盆栽,选用塑料盆或陶瓷盆均可,要求盆底有多孔,盆底放一接水托盆,托盆深度3厘米左右,可以贮存水和营养液。盆内先垫一层无土栽培用的陶粒,把生根苗固定在盆内。栽植后就可浇0.2%浓度的营养液,一周后可改用0.4%浓度的营养液。
平时注意给叶面喷水,生长初期应遮住直射光,地面洒水保湿。盆内保持有水或营养液。每半个月洗刷一次托盘,以免滋生藻类。新的枝叶长出后,应加强光照,并增加营养液的用量和次数。出现花蕾后,要增加营养液的磷、钾量,减少氮的用量,以促盛花。出现第二次花蕾时,应及时摘除花蕾和枝条顶芽,这是保证茉莉多开花,开好花的关键。
有土栽培的茉莉花从5~10月有3次盛花期,无土盆栽的可以做到每个月1次盛花。冬季如能在室内加强光照和提高室温至25℃以上,可以安全越冬。冬季浇水水温宜在25℃以上,水、肥均要减少用量。
无土栽培茉莉花病虫害少,只要加强水质管理和环境卫生,一般无病虫害。为了预防扦插苗带病菌,应在上盆前用“多菌灵”1 000倍液浸根处理,防治效果极佳,以上就是关于茉莉花的无土栽培的介绍。
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