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題 名 | 虎頭蘭植株氮、磷、鉀、鈣及鎂吸收特性之研究=Studies on the N, P, K, Ca and Mg Uptake Rate of Cymbidium Orchid1 |
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作 者 | 蔡宜峯; 洪惠娟; 郭雅紋; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 113 2011.12[民100.12] |
頁 次 | 頁45-58 |
分類號 | 435.431 |
關鍵詞 | 虎頭蘭; 營養要素; 吸收; Cymbidium Orchid; Nutrients; Uptake; |
語 文 | 中文(Chinese) |
中文摘要 | 摘 要 本研究目的為探討不同生育期虎頭蘭植株氮、磷、鉀、鈣及鎂等營養要素吸收特性, 以期提供日後合理施肥研究與應用之參考。試驗品種包括‘Gust moon’、‘Kenny’、‘Serena’, 分別於2009及2010年秋季營養生長盛期及2010及2011年春季開花盛期採取虎頭蘭植株地 上部、根部、假球莖及新芽(或花枝)等樣品。由結果顯示,虎頭蘭不同品種及不同植株部 位的氮、磷、鉀、鈣及鎂含量及植株乾重略有差異,其中秋季營養生長盛期植株氮、磷、 鉀、鈣及鎂含量分別為9.35~18.9、1.43~3.55、6.90~23.0、5.23~14.6及2.03~3.40 g/kg。氮、 磷及鉀含量以新芽較高,鈣含量約以假球莖較高,鎂含量在不同植株部位之差異不明顯。 春季開花盛期植株氮、磷、鉀、鈣及鎂含量分別為6.65~14.5、1.45~3.20、8.06~22.8、6.50~14.3 及1.66~2.91 g/kg,氮、磷及鉀含量以花枝較高,鈣含量以假球莖較高,鎂含量在不同植 株部位之差異不明顯。由全植株氮、磷、鉀、鈣及鎂吸收量之結果顯示,近80%全植株氮 吸收量於營養生長期內完成,開花期氮吸收量佔全植株氮吸收量約20%。近70%全植株 磷、鉀、鈣吸收量於營養生長期內完成,開花期磷、鉀、鈣吸收量佔全植株磷、鉀、鈣 吸收量約30%。近95%全植株鎂吸收量於營養生長期內完成,開花期鎂吸收量佔全植株鎂 吸收量約5%。秋季營養生長盛期全植株氮、磷、鉀、鈣及鎂平均吸收量分別為410、75.4、 486、278及86.9 mg/plant,春季開花盛期虎頭蘭全植株氮、磷、鉀、鈣及鎂平均吸收量分 別為486、105、631、391及88.8 mg/plant。 |
英文摘要 | ABSTRACT The objective of this research was to evaluate the N, P, K, Ca and Mg uptake rate of Cymbidium Orchid at different growth stages. Three varieties i.e. 1)‘Gust moon’, 2)‘Kenny’ and 3)‘Serena’ were conducted. Plant samples including the shoot, root, pseudo bulb and new bud were collected at vegetative growth stage on autumn 2009 & 2010, and these samped as well at flowering stage on spring 2010 & 2011. The results indicated that there were slight different on the content of N, P, K, Ca, Mg and dry weight of different plant parts and different varieties of Cymbidium Orchid. The contents of N, P, K, Ca and Mg of Cymbidium Orchid were 9.35-18.9, 1.43-3.55, 6.90-23.0, 5.23-14.6 and 2.03-3.40 g/kg at vegetative growth stage in autumn, respectively. At this time, the N, P and K contents of new bud and the Ca in pseudo bulb were higher than those in other plant parts, and the Mg content of different plant parts had not significant difference. The contents of N, P, K, Ca and Mg of Cymbidium Orchid were 6.65-14.5, 1.45-3.20, 8.06-22.8, 6.50-14.3 and 1.66-2.91 g/kg at flowering stage in spring, respectively. At this time, the N, P and K contents of flower stalk and the Ca in pseudo bulb were higher than those in other plant parts, and the Mg content of different plant parts had not significant difference. The results farther indicated that the N uptakes of Cymbidium Orchid were 80% and 20% at vegetative growth stage and at flowering stage, respectively. The P, K and Ca uptake of Cymbidium Orchid were 70% and 30% at vegetative growth stage and at flowering stage, respectively. The Mg uptake of Cymbidium Orchid were 95% and 5% at vegetative growth stage and at flowering stage, respectively. The uptake of N, P, K, Ca and Mg of Cymbidium Orchid were 410, 75.4, 486, 278 and 86.9 mg/plant at vegetative growth stage in autumn, respectively. The uptake of N, P, K, Ca and Mg of Cymbidium Orchid were 486, 105, 631, 391 and 88.8 mg/plant at flowering stage in spring, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。