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標題: Nutrient Uptake and Transport Capacity of Different Mango Rootstocks
作者: 邱麗娜
Lee-Nor Chiou
Huey-Ling Lin
Ching-Chang Siesh
Kuo-Chuan Lee
關鍵字: Mineral nutrition;無機元素;Rootstock;Mango;砧木;芒果
Project: Horticulture NCHU, Volume 23, Issue 2, Page(s) 21-34.
興大園藝, Volume 23, Issue 2, Page(s) 21-34.

The objectives of this experiment were to investigate the mango cultivars' abilities in the uptake and transport of mineral nutrients with special emphasis on the selection of a high Ca-absorbing rootstock. The data will also be used as a guideline for choosing a rootstock for 'Chiin Whang' which is a deficiency-prone cultivar and to clarify the relationship between Ca deficiency and pre-harvest fruit deterioration. Results showed a significant difference in Ca content in leave among cultivars which were arranged according to the Ca concentration in leaves (from high to low) after calcium fertilizer was applied. They were listed as Local Varity, 'Tai-Known No. 1' , 'Keitt', 'Haden', 'Phon-Mee', 'Chiin Whang' and 'Sensation'. Calcium concentration from high to low in leaves of 'Chiin Whang' after grafting were in the following order: 'Hon-Long', 'Tai-Known No. 1', Local Varity, 'Sensation', 'Keitt', 'Haden','Chiin Whang' and 'Irwin'. After pruning the order were: Local Varity, 'Thai-Know No. 1','Keitt','Sensation', 'Hon-Long', 'Haden', 'Chiin Whang' and 'Irwin'. Leaf-calcium concentrations of cultivars planting in field were 'Tai-Known No. 1', 'Hon-Long', Local Varity, 'Haden', 'Sensation', 'Irwin' and 'Chiin Whang'. The N to Ca ratios of 'Irwin', 'Keitt' and 'Chiin Whang' leaves were higher than those of the other cultivars. Since the three cultivars mentioned above are sensative to Ca-deficiency,thus the pre-harvest fruit deterioration seems to be associated with a high N/Ca in leaves. Results also indicated that Local Varity and 'Tai-Known No. 1' had higher Ca uptake and transport capacities. It is suggested that Local Varity and 'Tai-Known No. 1' had higher Ca uptake and transport capacities. It is suggested that these cultivars could be adopted as rootstocks in the cultivation and breeding of 'Chiin Whang' mango.
ISSN: 0255-5921
Appears in Collections:第23卷 第02期

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