百日草的种植方法
百日草的种植方法,百日草又名步步高。花期为7~10个月,花色有白色、黄、橙黄、粉红、桃红、紫等色。种子在8~10月成熟。生长强健,耐移植,任何发育阶段的生长期均能移栽,但需带泥球。
百日草性喜阳光充足,宜栽在肥沃疏松、排水良好的土壤中,但在一般的贫瘠土壤中亦能生长并开少量花,在积水低洼处不能生长。百日草在花坛中应用较多,家庭盆栽也可以。
百日草繁殖大多采用播种法。在3月底至4月中旬可将种子播于露地苗床。播种不宜过早,否则幼苗生长发育不良。一般发芽的室温为20℃左右,播后8~10天即可发芽,当出苗长有5~6片真叶时方可带土移植。定植株距一般为20~40厘米,但因高型种和矮生种有区别,矮生中株距为20~30厘米,高型种株距为30~49厘米,使植株能接受充足阳光,有利生长发育。当幼苗定植后茎高有10厘米左右时要摘心,促使多分枝多开花。
百日草也可在初夏利用侧枝进行繁殖,但此时气温离、多阵雨,应注意遮阳防护。 。
虽然百日草生长健壮,但在养护上也有要勤松土除草,并在开花前宜施1~2次肥液(3份肥7份水),如盆栽的,需施2~3次肥液(2份肥8份水);在生长期间,保持一般湿润即可。由于高型种植株高大,遇大风易遭折断,因此宜用细竹绑扎。矮生种百日草适宜盆栽,因为在夏日烈日照射下,地面处于高温,又时遇阵雨,矮生种百日草的叶片常遭泥浆沾溅,而导致植株枯萎和生长不良,故以盆栽为宜。
由于百日草花期长,采收种子可分批进行,收后略晒干脱粒,放于干燥处贮藏,翌年重新播种繁殖,以上就是关于百日草的种植方法的介绍。
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