观赏南瓜种植方法
观赏南瓜种植方法,观赏南瓜喜温暖气候,不耐寒,不喜炎热,喜空气湿润。喜光,喜肥沃湿润而排水良好的土壤。
观赏南瓜必须依附墙体、棚架、树桩向上生长。因此,栽前应搭支撑架。可直接播种,也可育苗栽植。幼苗长出2~4片真叶后,带土球移栽。栽后要遮阴,浇透水,保持湿润。生长恢复后,施稀薄饼肥水,每月2~3次。
正常生长需要全光照,以搭棚架的形式满足光的需求。立秋后,基本不再形成新果实,早霜将使其叶枯萎。观赏南瓜根系庞大,较耐旱,但以湿润土壤生长最好。地栽条件下,应适当供足水肥。盆栽时,在浇水上应适当控制,防止烂根,结果期施过磷酸钙和喷0.3%磷酸二氢钾溶液,能促进果实发育。
观赏南瓜庭院种植常要搭棚,架下供做交通或休息。盆栽也可搭架造型,多次摘心,以促使分枝。在果实生长中后期,在果表面贴不透明字条或刻字,会永久烙在其上。
观赏南瓜主要采用种子繁殖。在秋天,一般待果实充分成熟后,切开瓠果取出种子,洗净晾干,放在通风处贮藏。翌年春天播种。播种前种子在水中浸泡24小时,湿沙拌种催芽,当种子有1/3露白时,播于盆中(钟尖向上)或苗床中,覆土1.5~2.5厘米,播后浇透水,保持床土湿润,5~7天可出苗,以上就是关于观赏南瓜种植方法的介绍。
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