Grapevine Response to Soil Temperature

Xylem Cytokinins and Carbohydrate Reserve Mobilization from Budbreak to Anthesis

Stewart Field, Jason Smith, Bruno Holzapfel, William Hardie, R. J. Neil Emery

Research output: Contribution to journalArticle

41 Citations (Scopus)
16 Downloads (Pure)

Abstract

Potted Shiraz grapevines, in a glasshouse, were exposed to two different soil temperatures (13°C and 23°C) to evaluate the effects on vegetative growth and floral development from dormancy to anthesis. Soil temperature had no effect on the time of budbreak, anthesis, or the number of flowers per inflorescence. At anthesis total biomass was similar for both treatments, whereas shoot biomass was greater in the warm soil. From dormancy to anthesis, both root and trunk biomass decreased in the cool soil and only root biomass decreased in the warmer soil, but by twice as much as that in the cool soil. During dormancy to anthesis decreases in total nonstructural carbohydrate accounted for most of the decrease in root biomass. At budbreak, 14 cytokinins representing four recognized classes were present in bleeding sap, with trans-zeatin riboside and isopentenyl adenosine as the dominant forms. Total and active free base cytokinin concentrations were similar for both treatments, while sap from vines in the warm soil had significantly lower concentrations of nucleotide cytokinins. However, delivery of cytokinins was significantly greater in the warm soil treatment. By anthesis, cytokinin concentrations were similar for both treatments, but total cytokinin concentrations in xylem sap had decreased by almost 90% from budbreak. Root-generated cytokinins appear to be associated with the mobilization of the carbohydrate reserves at the end of dormancy and the ensuing shoot growth. Comparison of results with those of previous studies reveals that, because of apical dominance and correlative inhibition, the response to soil temperature in terms of number of buds to break and time of budbreak is conditioned by the number of nodes per cane.
Original languageEnglish
Pages (from-to)164-172
Number of pages9
JournalAmerican Journal of Enology and Viticulture
Volume60
Issue number2
Publication statusPublished - Jun 2009

Fingerprint

Xylem
Cytokinins
budbreak
cytokinins
soil temperature
xylem
Soil
Carbohydrates
carbohydrates
flowering
Temperature
dormancy
Biomass
sap
biomass
soil
apical dominance
shoots
zeatin
adenosine

Cite this

@article{9ad287d6c7f947b18f963eb1cc1a5db5,
title = "Grapevine Response to Soil Temperature: Xylem Cytokinins and Carbohydrate Reserve Mobilization from Budbreak to Anthesis",
abstract = "Potted Shiraz grapevines, in a glasshouse, were exposed to two different soil temperatures (13°C and 23°C) to evaluate the effects on vegetative growth and floral development from dormancy to anthesis. Soil temperature had no effect on the time of budbreak, anthesis, or the number of flowers per inflorescence. At anthesis total biomass was similar for both treatments, whereas shoot biomass was greater in the warm soil. From dormancy to anthesis, both root and trunk biomass decreased in the cool soil and only root biomass decreased in the warmer soil, but by twice as much as that in the cool soil. During dormancy to anthesis decreases in total nonstructural carbohydrate accounted for most of the decrease in root biomass. At budbreak, 14 cytokinins representing four recognized classes were present in bleeding sap, with trans-zeatin riboside and isopentenyl adenosine as the dominant forms. Total and active free base cytokinin concentrations were similar for both treatments, while sap from vines in the warm soil had significantly lower concentrations of nucleotide cytokinins. However, delivery of cytokinins was significantly greater in the warm soil treatment. By anthesis, cytokinin concentrations were similar for both treatments, but total cytokinin concentrations in xylem sap had decreased by almost 90{\%} from budbreak. Root-generated cytokinins appear to be associated with the mobilization of the carbohydrate reserves at the end of dormancy and the ensuing shoot growth. Comparison of results with those of previous studies reveals that, because of apical dominance and correlative inhibition, the response to soil temperature in terms of number of buds to break and time of budbreak is conditioned by the number of nodes per cane.",
keywords = "Open access version available, Budbreak, Budburst, Cytokinins, Non-structural carbohydrates, Vitis vinifera",
author = "Stewart Field and Jason Smith and Bruno Holzapfel and William Hardie and Emery, {R. J. Neil}",
note = "Imported on 12 Apr 2017 - DigiTool details were: month (773h) = June 2009; Journal title (773t) = American Journal of Enology and Viticulture. ISSNs: 0002-9254;",
year = "2009",
month = "6",
language = "English",
volume = "60",
pages = "164--172",
journal = "American Journal of Enology and Viticulture",
issn = "0002-9254",
publisher = "American Society for Enology and Viticulture",
number = "2",

}

Grapevine Response to Soil Temperature : Xylem Cytokinins and Carbohydrate Reserve Mobilization from Budbreak to Anthesis. / Field, Stewart; Smith, Jason; Holzapfel, Bruno; Hardie, William; Emery, R. J. Neil.

In: American Journal of Enology and Viticulture, Vol. 60, No. 2, 06.2009, p. 164-172.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Grapevine Response to Soil Temperature

T2 - Xylem Cytokinins and Carbohydrate Reserve Mobilization from Budbreak to Anthesis

AU - Field, Stewart

AU - Smith, Jason

AU - Holzapfel, Bruno

AU - Hardie, William

AU - Emery, R. J. Neil

N1 - Imported on 12 Apr 2017 - DigiTool details were: month (773h) = June 2009; Journal title (773t) = American Journal of Enology and Viticulture. ISSNs: 0002-9254;

PY - 2009/6

Y1 - 2009/6

N2 - Potted Shiraz grapevines, in a glasshouse, were exposed to two different soil temperatures (13°C and 23°C) to evaluate the effects on vegetative growth and floral development from dormancy to anthesis. Soil temperature had no effect on the time of budbreak, anthesis, or the number of flowers per inflorescence. At anthesis total biomass was similar for both treatments, whereas shoot biomass was greater in the warm soil. From dormancy to anthesis, both root and trunk biomass decreased in the cool soil and only root biomass decreased in the warmer soil, but by twice as much as that in the cool soil. During dormancy to anthesis decreases in total nonstructural carbohydrate accounted for most of the decrease in root biomass. At budbreak, 14 cytokinins representing four recognized classes were present in bleeding sap, with trans-zeatin riboside and isopentenyl adenosine as the dominant forms. Total and active free base cytokinin concentrations were similar for both treatments, while sap from vines in the warm soil had significantly lower concentrations of nucleotide cytokinins. However, delivery of cytokinins was significantly greater in the warm soil treatment. By anthesis, cytokinin concentrations were similar for both treatments, but total cytokinin concentrations in xylem sap had decreased by almost 90% from budbreak. Root-generated cytokinins appear to be associated with the mobilization of the carbohydrate reserves at the end of dormancy and the ensuing shoot growth. Comparison of results with those of previous studies reveals that, because of apical dominance and correlative inhibition, the response to soil temperature in terms of number of buds to break and time of budbreak is conditioned by the number of nodes per cane.

AB - Potted Shiraz grapevines, in a glasshouse, were exposed to two different soil temperatures (13°C and 23°C) to evaluate the effects on vegetative growth and floral development from dormancy to anthesis. Soil temperature had no effect on the time of budbreak, anthesis, or the number of flowers per inflorescence. At anthesis total biomass was similar for both treatments, whereas shoot biomass was greater in the warm soil. From dormancy to anthesis, both root and trunk biomass decreased in the cool soil and only root biomass decreased in the warmer soil, but by twice as much as that in the cool soil. During dormancy to anthesis decreases in total nonstructural carbohydrate accounted for most of the decrease in root biomass. At budbreak, 14 cytokinins representing four recognized classes were present in bleeding sap, with trans-zeatin riboside and isopentenyl adenosine as the dominant forms. Total and active free base cytokinin concentrations were similar for both treatments, while sap from vines in the warm soil had significantly lower concentrations of nucleotide cytokinins. However, delivery of cytokinins was significantly greater in the warm soil treatment. By anthesis, cytokinin concentrations were similar for both treatments, but total cytokinin concentrations in xylem sap had decreased by almost 90% from budbreak. Root-generated cytokinins appear to be associated with the mobilization of the carbohydrate reserves at the end of dormancy and the ensuing shoot growth. Comparison of results with those of previous studies reveals that, because of apical dominance and correlative inhibition, the response to soil temperature in terms of number of buds to break and time of budbreak is conditioned by the number of nodes per cane.

KW - Open access version available

KW - Budbreak

KW - Budburst

KW - Cytokinins

KW - Non-structural carbohydrates

KW - Vitis vinifera

M3 - Article

VL - 60

SP - 164

EP - 172

JO - American Journal of Enology and Viticulture

JF - American Journal of Enology and Viticulture

SN - 0002-9254

IS - 2

ER -