Assessment of freeze injury of grapevine green tissues in response to cultivars and a cryoprotectant product

Michela Centinari, Maria S. Smith, Jason P. Londo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Spring frosts and subsequent crop losses threaten the economic sustainability of fruit crop producers all over the world. This study used a controlled-freezing technique to impose a post-budburst freezing stress to grapevine shoots forced from one-node cuttings [’Albariño’, ‘Cabernet Franc’, ‘Cabernet Sauvignon’, and ‘Pinot Grigio’ (Vitis vinifera)] and whole plants [’Noiret’ (Vitis hybrid)]. Our goal was to investigate the incidence of freeze injury among cultivars, stage of phenological development, and a potassium salt-based fertilizer (KDL) with potential cryoprotectant activity. Among the V. vinifera cultivars, the incidence of mortality of shoots exposed to - 3.5 °C was highest for ‘Albariño’ (71%) and lowest for ‘Cabernet Sauvignon’ (51%). Cuttings sprayed withKDL 24 hours before cold temperature exposure exhibited 16% lower shoot mortality and lower osmotic potential (Ψs) (-0.92 MPa) than the unsprayed cuttings (-0.77 MPa). However, application of KDL did not impact shoot mortality for whole ‘Noiret’ vines. Mortality for ‘Noiret’ shoots greatly increased with the advancement of phenological development, ranging from 10% in wooly buds to 78% in shoots ≈ 10-cm long. The practical significance of KDL remains questionable; cultivar selection still appears to be a more reliable method for avoiding spring frost, by planting late bursting cultivars in more frost-prone areas.

Original languageEnglish (US)
Pages (from-to)856-860
Number of pages5
JournalHortScience
Volume51
Issue number7
StatePublished - Jul 2016

Fingerprint

cryoprotectants
shoots
cultivars
frost
angle of incidence
Vitis vinifera
freezing
economic sustainability
crop losses
Vitis
fruit crops
osmotic pressure
vines
tissues
buds
potassium
planting
fertilizers
salts
temperature

All Science Journal Classification (ASJC) codes

  • Horticulture

Cite this

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title = "Assessment of freeze injury of grapevine green tissues in response to cultivars and a cryoprotectant product",
abstract = "Spring frosts and subsequent crop losses threaten the economic sustainability of fruit crop producers all over the world. This study used a controlled-freezing technique to impose a post-budburst freezing stress to grapevine shoots forced from one-node cuttings [’Albari{\~n}o’, ‘Cabernet Franc’, ‘Cabernet Sauvignon’, and ‘Pinot Grigio’ (Vitis vinifera)] and whole plants [’Noiret’ (Vitis hybrid)]. Our goal was to investigate the incidence of freeze injury among cultivars, stage of phenological development, and a potassium salt-based fertilizer (KDL) with potential cryoprotectant activity. Among the V. vinifera cultivars, the incidence of mortality of shoots exposed to - 3.5 °C was highest for ‘Albari{\~n}o’ (71{\%}) and lowest for ‘Cabernet Sauvignon’ (51{\%}). Cuttings sprayed withKDL 24 hours before cold temperature exposure exhibited 16{\%} lower shoot mortality and lower osmotic potential (Ψs) (-0.92 MPa) than the unsprayed cuttings (-0.77 MPa). However, application of KDL did not impact shoot mortality for whole ‘Noiret’ vines. Mortality for ‘Noiret’ shoots greatly increased with the advancement of phenological development, ranging from 10{\%} in wooly buds to 78{\%} in shoots ≈ 10-cm long. The practical significance of KDL remains questionable; cultivar selection still appears to be a more reliable method for avoiding spring frost, by planting late bursting cultivars in more frost-prone areas.",
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Assessment of freeze injury of grapevine green tissues in response to cultivars and a cryoprotectant product. / Centinari, Michela; Smith, Maria S.; Londo, Jason P.

In: HortScience, Vol. 51, No. 7, 07.2016, p. 856-860.

Research output: Contribution to journalArticle

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