新几内亚凤仙怎样种植?
新几内亚凤仙怎样种植?新几内亚凤仙是近年来发展的、备受消费者欢迎的新潮花卉。它属于凤仙花科多年生常绿草本植物,茎肉质粗壮,呈暗红色,分枝多而扩张,叶色为深绿或铜绿色,中脉明显,叶柄常呈绿色,花具长柄,品种花色丰富,有白色、桃红、玫瑰红、红至深红等色。
新几内亚凤仙性喜温暖湿润的半阴环境,忌曝晒,如曝晒,叶缘焦枯卷曲,生长受到抑制,开花减少,日照应控制在60%~70%。生长适温15~25℃,不耐寒,气温下降到7℃时受冻害。新几内凤仙根系不发达,要求肥沃、疏松、排水良好且富含有机质的偏酸性土壤。
由于其枝叶茂盛,所以需肥较多,但又不能浓肥,重肥,生长期需每周施1次稀薄的复合肥或饼肥水,浓度不超过0.5%,以使叶色翠绿。浇水要足,由于它叶片气孔大,蒸腾旺盛,需水较多,所以要及时浇水,浇足水,特别是夏季,浇水不足会引起叶片萎蔫甚至落花。由于其对盐分很敏感,所以施肥一定要稀,以减少盐分层积,浇水一定要大,以冲走一定的盐分。
新几内亚凤仙萌芽力强,无须摘心亦能密生许多分枝,当分枝长到3~5厘米时,适当疏掉一些细弱枝及密生枝,以增加透光透气性,使植株矮壮,叶片肥大,枝叶茂盛,紧凑整齐,提高观赏效果。新几内亚凤仙扦插容易生根,可结合修剪进行,将剪下的枝条剪去基部的1~2轮叶后,放入清水中浸泡15~30分钟,使枝条吸足水分,然后插入介质中,浇足水,适当遮阴,保持基质湿润,一周左右即可生根,生根后起苗上盆,即可进入常规管理,扦插时间以4~9月最佳,以上就是关于新几内亚凤仙怎样种植的介绍。
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