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Non-structural carbohydrate content as an aid for interpreting quality testing of nursery stock plants

(2004) Acta Horticulturae. 630. p.191-198
Author
Organization
Abstract
The effects of lifting date and increasing drought stress on root electrolyte leakage (REL) and moisture content of seedlings of Carpinus betulus, Fagus sylvatica and Picea abies were assessed to obtain threshold values for predicting plant quality. The relationships of REL and moisture content to survival were determined. Lifting date influenced REL and moisture content; a higher shoot moisture content (SMC) was found in October and March/April, while highest REL and moisture percentage of the roots was found in October. Furthermore, interpreting values of REL and moisture content without knowledge of the 'hardened' or 'dehardened' state of the plant could lead to wrongly classifying plant quality. Seasonal observations of bud dormancy showed that bud dormancy is insufficient for indicating the 'hardened' and thus more stress supporting state of the plant. Seasonal changes of nonstructural carbohydrates indicated that for the studied species the presence of raffinose and/or stachyose in bud or stem tissue were good indicators for 'hardened plants' and could help to interpret REL values and moisture content levels with respect to plant quality assessment.
Keywords
moisture content, lifting, root electrolyte leakage (REL), dormancy, Picea abies, Fagus sylvatica, Carpinus betulus, ROOT ELECTROLYTE LEAKAGE, DOUGLAS-FIR SEEDLINGS, COLD-STORAGE, SITKA SPRUCE, FROST HARDINESS, FINE ROOTS, DORMANCY, RAFFINOSE, TOLERANCE, INDEX

Citation

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Chicago
Van Labeke, Marie-Christine, and L Degeyter. 2004. “Non-structural Carbohydrate Content as an Aid for Interpreting Quality Testing of Nursery Stock Plants.” In Acta Horticulturae, ed. T Fernandez and CG Davidson, 630:191–198. Leuven, Belgium: International Society for Horticultural Science (ISHS).
APA
Van Labeke, M.-C., & Degeyter, L. (2004). Non-structural carbohydrate content as an aid for interpreting quality testing of nursery stock plants. In T. Fernandez & C. Davidson (Eds.), Acta Horticulturae (Vol. 630, pp. 191–198). Presented at the 26th International Horticultural Congress : Nursery crops : development, evaluation, production and use, Leuven, Belgium: International Society for Horticultural Science (ISHS).
Vancouver
1.
Van Labeke M-C, Degeyter L. Non-structural carbohydrate content as an aid for interpreting quality testing of nursery stock plants. In: Fernandez T, Davidson C, editors. Acta Horticulturae. Leuven, Belgium: International Society for Horticultural Science (ISHS); 2004. p. 191–8.
MLA
Van Labeke, Marie-Christine, and L Degeyter. “Non-structural Carbohydrate Content as an Aid for Interpreting Quality Testing of Nursery Stock Plants.” Acta Horticulturae. Ed. T Fernandez & CG Davidson. Vol. 630. Leuven, Belgium: International Society for Horticultural Science (ISHS), 2004. 191–198. Print.
@inproceedings{358142,
  abstract     = {The effects of lifting date and increasing drought stress on root electrolyte leakage (REL) and moisture content of seedlings of Carpinus betulus, Fagus sylvatica and Picea abies were assessed to obtain threshold values for predicting plant quality. The relationships of REL and moisture content to survival were determined. Lifting date influenced REL and moisture content; a higher shoot moisture content (SMC) was found in October and March/April, while highest REL and moisture percentage of the roots was found in October. Furthermore, interpreting values of REL and moisture content without knowledge of the 'hardened' or 'dehardened' state of the plant could lead to wrongly classifying plant quality. Seasonal observations of bud dormancy showed that bud dormancy is insufficient for indicating the 'hardened' and thus more stress supporting state of the plant. Seasonal changes of nonstructural carbohydrates indicated that for the studied species the presence of raffinose and/or stachyose in bud or stem tissue were good indicators for 'hardened plants' and could help to interpret REL values and moisture content levels with respect to plant quality assessment.},
  author       = {Van Labeke, Marie-Christine and Degeyter, L},
  booktitle    = {Acta Horticulturae},
  editor       = {Fernandez, T and Davidson, CG},
  isbn         = {9789066054974},
  issn         = {0567-7572},
  keywords     = {moisture content,lifting,root electrolyte leakage (REL),dormancy,Picea abies,Fagus sylvatica,Carpinus betulus,ROOT ELECTROLYTE LEAKAGE,DOUGLAS-FIR SEEDLINGS,COLD-STORAGE,SITKA SPRUCE,FROST HARDINESS,FINE ROOTS,DORMANCY,RAFFINOSE,TOLERANCE,INDEX},
  language     = {eng},
  location     = {Toronto, ON, Canada},
  pages        = {191--198},
  publisher    = {International Society for Horticultural Science (ISHS)},
  title        = {Non-structural carbohydrate content as an aid for interpreting quality testing of nursery stock plants},
  url          = {http://www.actahort.org/books/630/630_23.htm},
  volume       = {630},
  year         = {2004},
}

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