怎样使雏菊的花色更加艳丽?
雏菊又称春据、延命菊,常作1~2年生栽培。株丛矮小,株高仅10~20厘米。花茎从叶丛之间抽出。花色有白、粉、红、紫等色。花期是3~7个月。性耐寒,喜冷凉天气,忌炎热,喜阳光,也能耐半阴,耐贫瘠土壤,在肥沃和富含腐殖质的壤土中生长良好。在一般园土上,生长期每15天施追肥1次,3~5月开花不断。5月下旬种子陆续成熟,由于花托突出,果实易被雨水冲掉,所以每逢晴天应随时观察,见熟就采。春秋两季最适生长,如环境适宜,可周年开花。根系发达,耐移植。
雏菊有单瓣、重瓣品种及四倍体极性矮生品种等。有种子播种或分株繁殖两种方式。种子繁殖以秋播为主,8~9月播种,4~5天发芽,长出2~3片真叶便可移植。冬季则在冷床越冬,翌年春季定植。且肥水跟上,使幼苗发棵。
雏菊是耐移植的品种,移植能使其须根发育得更好。因而有时植株已到开花期还可移栽成活。种子发芽适宜温度为22~28℃。种子播种繁殖变异较大,为保持优良品种可进行分株繁殖,首先要选好母株,人夏前移植于花盆内,置凉爽处养护,秋季再行分株。
雏菊花早密茂,要及时剪除残花,保持土壤湿润,年中追施肥料1~2次,使后期花势旺盛不衰。种子易散落,要及时采收。
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