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題名 | 不同濃度鉀肥對春石斛蘭生長之影響=Effects of Potassium Nutrients on the Growth of Nobile-Type Dendrobium |
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作者姓名(中文) | 魏芳明; 楊旻憲; | 書刊名 | 臺中區農業改良場研究彙報 |
卷期 | 121 2013.12[民102.12] |
頁次 | 頁1-8 |
分類號 | 435.431 |
關鍵詞 | 春石斛蘭; 鉀肥; 生長; 花卉品質; Nobile-type Dendrobium; Potassium nutrient; Growth; Flower quality; |
語文 | 中文(Chinese) |
中文摘要 | 本研究目的為探討施用不同濃度鉀肥 (K2O: 0、100、200、300、400 mg/L)對春石斛蘭 Dendrobium To My Kids ‘Smile’植株生長特性及花卉品質之影響。由試驗結果顯示,三年生植株定植後 75及115日之春石斛蘭株高在不同濃度鉀肥處理間無顯著差異;定植後 195日之植株株高則在鉀肥處理間有顯著差異,其中施用 K2O 200 mg/L之植株株高達 59.2 cm,未施用 K2O之處理組株高最矮,僅 52.9 cm。定植後 195日春石斛蘭植株葉片數、葉長及假球莖寬度在不同處理間差異不顯著;葉寬、假球莖節數及假球莖厚度在不同處理間有顯著差異,其中施用 K2O 100~200 mg/L處理效應較佳。定植後 360日春石斛蘭植株開花節數及花朵寬度 (橫向直徑)在不同濃度鉀肥處理間差異不顯著;春石斛蘭植株總花朵數在不同濃度鉀肥處理間有顯著差異,施用 K2O 200~400 mg/L處理較多,施用 K2O 0 mg/L處理最少。據此, Den. To My Kids ‘Smile’於每兩週一次施用 100~200 mg/L鉀肥對春石斛蘭生長有促進之效果。 |
英文摘要 | This study was aimed to investigate the different potassium Nutrients (K2O: 0, 100, 200, 300, 400 mg/L) on the growth and flower quality of 3 years old Dendrobium To My Kids,Smile. The results showed that plant height was not significantly different among potassium treatments both in plants of 75-day after transplanting and 115-day ones. However, plant height with K2O 200 mg/L was higher than control treatment in 195-day ones. The characters of plant leaf number, leaf length and pseudobulb width among treatments was not significantly different as well, but these of leaf width, pseudobulb nodes number and pseudobulb thickness were significantly different in 195-day ones. The application of K2O 100-200 mg/L showed better growth performance. The flowering node number and flower transverse diameter among K2O concentration treatments has no significant difference in 360-day ones. On the other hand, the total flower number among treatments was significantly different in which 200-400 mg/L K2O theatments obtained more flowers than control ones. It concluded that it is better to apply with 100-200 mg/L K2O in every two week for Den. To My Kids ‘Smile’. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。