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Some Onion Cultivars and Effect of Temperatures on Bulb Storability
W. N. Chang
A. Y. Su
|關鍵字:||Onion;洋蔥;Temperature;Storability;Bulb;溫度;儲藏能力;鱗莖||Project:||興大園藝, Volume 6, Page(s) 29-40.
Horticulture NCHU, Volume 6, Page(s) 29-40.
These are significant differences in bulb storability among cultivars. Tainan Ⅰ showed the best in bulb keeping quality among five cultivars studied. The percentage of rotted bulbs of cultivars Tainan Ⅰ, Texas Early Grano 502 and Granex was high when stored at room temperature, followed by 30℃ and low at 10℃. Percent age of sprouting was higher at 10℃ and lower at room temperature as well as 30℃.
Dry matter content of bulb was increased during storage, but bulb firmness was decreased under all temperatures. Nitrogen content and pyruvic acid were increased in begining then start to decrease after three months of storage. Bulbs with lower nitrogen content, high pyruvic acid in dry matter content, bulb firmness, pyruvic acid content and lower in reducing sugar and nitrogen content than Texas Early Grano 502 as well as Granex at either 10℃, 30℃ or room temperature.
|Appears in Collections:||第06期|
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