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논문 기본 정보

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학술저널
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한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.48 No.6
발행연도
2007.12
수록면
359 - 364 (6page)

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Three-year-old ‘Fuyu’ (Diospyros kaki) trees were completely defoliated with and without defruiting on Sept. 4 to monitor changes in nonstructural carbohydrates (NSCs) and their partitioning to different parts of a tree. At fruit harvest on Nov. 3, total dry weights (DWs) of the aerial woods were 277 g and those of roots were 334 g in a control tree. DW of a control tree was increased by only 4% when defruited. DW in the roots of a defoliated tree was decreased by 29%, and defruiting restored it to 14%. A control tree on Nov. 3 contained 60.9 g of soluble sugars and 37.3 g of starch in its permanent parts, more than 60% of each being in the roots. Defruiting of a control tree increased sugars by 18% and starch by 65%. Soluble sugars in aerial wood and roots of a defoliated tree were at 40% and 28% of a control tree, respectively; when defoliated trees were also defruited, these respective percentages increased to 81 and 71. On the other hand, starch contents in the aerial wood and roots of a defoliated tree were 25% and 18% of a control tree, respectively; these respective percentages were 66 and 58 when combined with defruiting. When sugars and starch were converted to glucose equivalents, a defoliated tree contained 34% and 24% of the total level found in aerial wood and roots of a control tree, respectively. By removing the fruits from such a tree these respective percentages increased to 76 and 66. The changes and the balance of NSCs among tree parts are discussed with special regard to the sustained growth of the fruits during autumn in a defoliated tree.
#carbohydrate partitioning #diospyros kaki #remobilization #reserves

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgements
Literature Cited

참고문헌 (32)

참고문헌 신청
1. [학술지(정기간행물)] - Cheng. L / 2002 / Growth of young apple trees in relation to reserve nitrogen and carbohydrates 22 : 1297 ~ 1303 google schola 2. [학술지(정기간행물)] - Choi, S.T / 2005 / Differential responses of assimilate partitioning in different parts of young ？Fuyu？ persimmon trees to different severities of defoliation 46 : 132 ~ 135 google schola 3. [학술지(정기간행물)] - Choi, S.T / 2005b / Effect of thinning degrees on fruit characteristics and carbohydrate accumulations of persimmon trees defoliated in early autumn 685 : 105 ~ 112 google schola 4. [학술지(정기간행물)] - Choi, S.T / 2002 / Thinning effect on fruit characteristics and reserve accumulation of persimmon trees defoliated in early autumn 43 : 660 ~ 665 google schola 5. [학술지(정기간행물)] - Choi, S.T / 2005a / Tree responses of ？Fuyu？ persimmon to different degrees of early defoliation on fruit characteristics at harvest and tree development the next season 46 : 136 ~ 139 google schola

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Differential Responses of Assimilate Partitioning in Different Parts of Young ‘Fuyu’ Persimmon Trees to Different Severities of Defoliation
Seong-Tae Choi ,  Seong-Mo Kang HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY 2005 .04

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