非洲紫罗兰的养殖方法
非洲紫罗兰的养殖方法,非洲紫罗兰为苦苣苔科,为多年生常绿草本花卉,茎极短,叶肉质肥厚,密生细毛,卯形、心形或波浪形丛生簇拥,株姿呈莲花形。花开时常3~5枝花梗先后自叶腋抽生,梗上着花3~5朵或更多,花径3~4厘米,花冠钟状有深裂,为二唇形,上唇二裂,下唇三裂,裂片椭圆形开展,花色有紫、蓝、紫红、粉红、自、黄及白底红边或堇紫边等。
非洲紫罗兰的花还带香味,并有单瓣、重瓣及花朵大小不同的若干品种。花期夏秋,长达2个月。
非洲紫罗兰性喜温和湿润气候,适生温度18~26℃,冬季室温不可低于10℃,夏季不宜超过30℃。喜半阴,高温时节忌强光直射,并保持空气清新湿润。要求富含腐殖质、疏松肥沃、通透性强的沙质培养土。各地可因地制宜用沙壤土、腐叶土、草炭土、砻糠灰(炭化稻壳)等适量调制。
非洲紫罗兰通常播种、扦插或分株繁殖。播种繁殖在春秋两季,以秋播最好,发芽率高,长势健壮,翌年春季即可开花。早春播8月间可见花,但高温酷暑期不好过,往往长势细弱病害发生较多。非洲紫罗兰种子细小,宜用含黏粒少的纯净细面沙作基质装新烧制苗盆,压平,浇开水消毒灭活冷却后撒播。种子可掺3倍细沙均匀撒开,防止出苗过于稠密,不必覆土,播后加盖玻璃。再罩上一层字迹均匀的报纸,放光照充足20~25℃处保持湿润,约20天发芽出苗。待苗出齐逐渐揭掉遮蔽物,苗盆放疏荫处,经分苗移植1~2次,最后定植内径10~12厘米盆中,从播种到开花约需240天。
扦插繁殖宜在春季选择生长充实的叶片,带叶柄2~3厘米取下,插在颗粒均匀的纯净细沙或蛭石等基质中,插入叶柄与基质面持平。适度遮阴,保持基质及周围环境湿润,适生温度20~25℃,约20天生根,2~3个月后幼苗长成,即可上盆,从扦插到成形开花约4~5个月。分株繁殖可于春季选2~3年生的老株,结合翻盆换土,掰下小株分栽,当年即成形开花,以上就是关于非洲紫罗兰的养殖方法。
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