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Jerusalem Artichoke Fructan Accumulation and Distribution Characteristics in Different Organs of the Whole Growth(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年17期
Page:
1-4
Research Field:
Publishing date:

Info

Title:
Jerusalem Artichoke Fructan Accumulation and Distribution Characteristics in Different Organs of the Whole Growth
Author(s):
ZHONG Qi-wen; WANG Li-hui; LI Yi; LI Li
Qinghai Academy of Agriculture and Forestry Sciences, Qinghai Key Laboratory of Heredity and Psychology of Vegetables, Xining, Qinghai 810016
Keywords:
Jerusalem artichoke(Helianthus tuberosus L.);  fructan;  carbohydrate;  accumulation;  distribution
PACS:
S 632.9
DOI:
-
Abstract:
Jerusalem artichoke(Helianthus tuberosus L.)(‘Qingyu 2’ and ‘Qingyu 3’) were used to study carbohydrate content changes in dynamic characteristics and distribution throughout the growth cycle of Jerusalem artichoke in different organs based fructan carbohydrate content. The results showed that fructan content and the total increased rapidly in the seedling leaf, stem and mainly stored in the leaves; fructan content in tubers, leaves, stem showed the ups and downs in the tuber formation and rapid growth period of plants. The total fructan accumulation of the whole plant has continued to rise, and mainly stored in the leaves and stems; fructan content and total accumulation of leaves, stems reached the highest value of the whole growth period in the flowering stage, and completed the transport of sugar from the leaves to the stem. The content of tubers was stable and total accumulation increased slowly. Fructan stored mainly in the stem; the whole plant fructan accumulation increased slowly in the tuber expansion period, mainly transport of internal plants, fructan quickly allocated from the stem to the tubers, fruit poly sugar the 70% fructan content of the whole plant allocated to the tubers tuber in the end of growth period.

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Last Update: 2014-08-29