The effect of cyanamide on the release from dormancy of grapevine buds

Shulman, Y.; Nir, G.; Fanberstein, L.; Lavee, S.

doi:10.1016/0304-4238(83)90049-3

Cited by 101 publications

(66 citation statements)

References 7 publications

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“…Interest in bud dormancy breaking agents is closely related to commercial attempts to grow grapevines in mild winter locations, where chilling requirements are not necessarily met and, in absence of chemical budbreaking agents, the results are uneven budbreak and low budbreak rates, which lead to management problems later in the growth season, resulting in reducing yield (Erez, 1987), uneven maturity and delayed harvests are problems as well. In the Sonoran Desert in NW Mexico the problem is acute and although low-chilling cultivars are used, continuous chemical applications to release buds from dormancy are required, as elsewhere (Shulman et al, 1983).…”

Section: Introductionmentioning

confidence: 99%

“…Many investigations have been conducted to artificially interrupt dormancy in grapevines with synthetic chemicals (Shulman et al, 1983;Weaver et al, 1961;Lin and Wang, 1985;Nir et al, 1988;Zelleke and Kliewer, 1989;Dookoozlian and Wiliams, 1995). Among such products, Hydrogen Cyanamide (H 2 CN 2 ) (Dormex, BASF) has been the most effective bud breaking agent for field use (Zelleke and Kliewer, 1989) It is very effective and leads to early and vigorous vegetative growth.…”

Section: Introductionmentioning

confidence: 99%

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Organic Alternative for Breaking Dormancy in Table Grapes Grown in Hot Regions

Corrales-Maldonado¹

2010

American Journal of Agricultural and Biological Sciences

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Problem statement:In warm-winter regions, the need for intervention of chemical means to break bud rest becomes a dominant factor for maintaining economic production of table grapes. However, the problem is more acute when farmers want to grow organic table grapes in the absence of environmentally-friendly budbreak promoters. Approach: This study aimed to evaluate the effect of a mix of naturally occurring Garlic Compounds (GC) in comparison to the conventional use of hydrogen cyanamide to promote budbreak and its effects on cluster quality in four table grape cultivars fieldgrown in hot region (Sonora Desert). Results: Four cultivars responded to GC, the vines bursting bud about 3 weeks after application. Quality of fruit from 4 cultivars treated with GC was excellent. Clusters weigh and berry sizes were larger than other treatments. Conclusion: Ability of GC to break dormancy in table grape grown in Sonora Desert has significant implications for organic table grape production in hot regions.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Organic Alternative for Breaking Dormancy in Table Grapes Grown in Hot Regions

Corrales-Maldonado¹

2010

American Journal of Agricultural and Biological Sciences

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“…Erratic and/or delayed bud break, decreased shoot and cluster numbers per vine, and poor uniformity of fruit development are commonly reported in regions where grapevines suffer from inadequate winter chilling (Mccoll, 1986;Shulman et al, 1983). Chilling is required to break endodormancy and the chilling requirement varies among fruit trees including grapevines (Westwood, 1993).…”

Section: Dormancymentioning

confidence: 99%

Delay of Bud Break on 'Edelweiss' Grapevines With Multiple Applications of Amigo Oil and Naa

Loseke¹,

Read²,

Qrunfleh³

2014

Acta Hortic.

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“…Many investigations have been conducted to artificially interrupt the dormancy in grapevines with synthetic chemicals (Shulman et al, 1983;Lin and Wang, 1985;Nir et al, 1988;Zelleke and Kliewer, 1989;Dookoozlian and Williams, 1995). Among such products, hydrogen cyanamide (H 2 CN 2 ) has been the most effective bud breaking agent for field use (Zelleke and Kliewer, 1989;ElSabrout, 1998 andEl-Salhy, 2002).…”

Section: Introductionmentioning

confidence: 99%

Effect of Dormex, Fructose and Methionine Spraying on Bud Dor-mancy Release of "Superior" Grapevines

2017

AJAS

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This study was carried out during the two successive seasons 2015 and 2016 on 13 years old "Superior" grapevines to study the effect of spraying fructose (3, 5%), methionine (3, 5%) and hydrogen cyanamide 5% (Dormex) on bud dormancy release of "Superior" grapevines. Cyanamide is frequently used for grape bud dormancy release. However, those chemicals are potentially harmful to humans. In this study, we used substances that are less toxic to the environment and grape growers, such as fructose and methionine to determine their effects on "Superior" grape bud break. All treatments significantly improved the percentage of bud break, fruiting buds and yield, as well as the advancement of the harvest date and improving the berry quality compared to untreat ones (control). Also, all treatments induce gradually increased bud contents of IAA and GA 3 and a gradual decrease of ABA from treated date towards buds burst compared to untreated ones. Dormex spraying gave the highest values of studied traits compared to other treatments. No significant differences were found among 5% dormex and 3% fructose spraying. Hence, 3% fructose shows potential for use as a commercial bud break and improves superior grapes fruiting.

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The effect of cyanamide on the release from dormancy of grapevine buds

Cited by 101 publications

References 7 publications

Organic Alternative for Breaking Dormancy in Table Grapes Grown in Hot Regions

Organic Alternative for Breaking Dormancy in Table Grapes Grown in Hot Regions

Delay of Bud Break on 'Edelweiss' Grapevines With Multiple Applications of Amigo Oil and Naa

Effect of Dormex, Fructose and Methionine Spraying on Bud Dor-mancy Release of "Superior" Grapevines

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