Study on Carbohydrates Metabolism of Jerusalem artichoke in Different Altitude
Jerusalem artichoke (Qingyu 2 and Qingyu 3) were used to study the carbohydrates metabolism through assigning four altitude. The investigation indicated that general fructan and soluble sugar decreased in every organ, sucrose increased in leaves,descend firstly then ascend in stem, sucrose in tuber and reducing sugar content in leaves presented downtrend with raising elevation, the reducing sugar in stem decreased gradually and the reducing sugar in tuber remained steady with the increasing of the height below 2600 m,the reducing sugar increased rapidly in the areas with altitudes 2900 m.
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