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龍利葉栽培方法(含插圖示意)
龍利葉(Sauropus rostratus)為大戟科常綠小灌木,耐陰、耐濕、耐修剪,極適合室內盆栽、陽台綠植、藥用小品。生長緩慢,管理粗放,「插枝即活」。
一、基本環境需求
🌞 光照:半陰~散射光(每日 3–5 小時),耐陰忌烈日
🌡️ 溫度:18–30°C 最適,耐寒至 0°C(短期)
🌱 土壤:疏鬆透氣、微酸(pH 5.5–6.5),腐葉土+珍珠岩=7:3
💧 水分:保持微濕,耐濕不耐旱
✂️ 株型:高 30–50cm,需定期修剪控形
二、繁殖方法
1. 扦插繁殖(最簡單,成活率 >95%)
時間:全年(春夏最佳)
步驟:
剪健壯半木質化枝 8–12cm(帶 3–4 葉)
去下部葉,保留頂端 2 葉
插濕潤介質(珍珠岩+泥炭=1:1)
蓋塑膠袋保濕,散光處
7–14 天生根,移盆定植
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2. 播種繁殖(少用)
春季播種,25°C 發芽,30 天出苗,成長慢
三、日常管理
項目方法澆水表土微干即澆,葉面噴霧增濕施肥生長期每月稀薄液肥(1:1000),冬季停肥修剪隨時摘心,促分枝、控高度換盆每 1–2 年春季,根滿盆時進行越冬室內 >5°C,避免冷風
每月施肥隨時摘心葉密濕潤常綠全年
四、盆栽要點(室內首選)
盆徑 ≥15cm,底孔排水
介質:泥炭:珍珠岩:松針 = 6:3:1
置北窗或燈下,避免直射
葉面定期擦拭,防積塵
五、採收與藥用
葉片:全年採嫩葉,鮮用或曬乾
用法:鮮葉 15–30g 煎湯,或乾葉 6–15g 泡茶
功效:清肺化痰、止咳通便
六、常見問題
問題原因解決葉黃掉落積水爛根控水換土生長慢光照不足補散射光蚧殼蟲通風差酒精棉擦拭
小貼士:龍利葉是「懶人綠植」,室內半陰 + 微濕 = 常綠不敗。1 盆可持續採葉 3–5 年,兼具觀賞與藥用!