L. Federico Casassa, Sean T. Kuster, Paul Gannet, Aude A. Watrelot
{"title":"Temperature and Cap Management Effects on the Chemical, Phenolic, and Chromatic Composition of Pinot noir Wines from the Central Coast of California","authors":"L. Federico Casassa, Sean T. Kuster, Paul Gannet, Aude A. Watrelot","doi":"10.5344/ajev.2023.23031","DOIUrl":"https://doi.org/10.5344/ajev.2023.23031","url":null,"abstract":"","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135159903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Concentrations and Similarities across Countries in the Mix of Winegrape Cultivars","authors":"G. Puga, K. Anderson","doi":"10.5344/ajev.2023.22067","DOIUrl":"https://doi.org/10.5344/ajev.2023.22067","url":null,"abstract":"","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Training Technique May Have an Effect on Permanent Cordon Longevity","authors":"Patrick O’Brien, R. de Bei, C. Collins","doi":"10.5344/ajev.2023.23017","DOIUrl":"https://doi.org/10.5344/ajev.2023.23017","url":null,"abstract":"","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"34 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Schreiner, M. Moyer, Katherine E East, I. Zasada
Background and goals Arbuscular mycorrhizal fungi (AMF) are root symbionts that help grapevines acquire nutrients from soil. Growers in many regions, including the Columbia River basin of Oregon and Washington, lack information needed to best manage AMF. Such lacking information includes understanding whether natural AMF populations are sufficient to ensure healthy colonization in new plantings, and what factors influence AMF in established plantings.
{"title":"Managing Arbuscular Mycorrhizal Fungi in Arid Columbia Basin Vineyards of the Pacific Northwest United States","authors":"R. Schreiner, M. Moyer, Katherine E East, I. Zasada","doi":"10.5344/ajev.2023.23005","DOIUrl":"https://doi.org/10.5344/ajev.2023.23005","url":null,"abstract":"Background and goals Arbuscular mycorrhizal fungi (AMF) are root symbionts that help grapevines acquire nutrients from soil. Growers in many regions, including the Columbia River basin of Oregon and Washington, lack information needed to best manage AMF. Such lacking information includes understanding whether natural AMF populations are sufficient to ensure healthy colonization in new plantings, and what factors influence AMF in established plantings.","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of Phytosanitary Practices in Tunisian Vineyards on the Presence of Pesticide Residues in Winegrapes","authors":"Ghaya Mechichi, Marie-Louise Scippo, Olfa Daaloul, Hanene Chaabane, Laure Joly","doi":"10.5344/ajev.2023.23016","DOIUrl":"https://doi.org/10.5344/ajev.2023.23016","url":null,"abstract":"","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135753558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yiliang Cheng, Alexander D. Gapinski, Lucas Buren, G. Nonnecke, Aude A. Watrelot
{"title":"Impact of Post-Fruit Set Leaf Removal on Marquette Phenolic Compounds during Berry Development and Ripening","authors":"Yiliang Cheng, Alexander D. Gapinski, Lucas Buren, G. Nonnecke, Aude A. Watrelot","doi":"10.5344/ajev.2023.22054","DOIUrl":"https://doi.org/10.5344/ajev.2023.22054","url":null,"abstract":"","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jinxz Pollard-Flamand, Julie Boulé, Miranda Hart, José Ramón Úrbez-Torres
Abstract
Background and goals
Botryosphaeria dieback is a grapevine trunk disease responsible for significant economic losses to grape producers worldwide. There are currently no products registered in Canada to control grapevine trunk diseases, and sustainable production has become a focus of the Canadian grape and wine industry. Therefore, the objectives of this research were to evaluate locally sourced Trichoderma spp. as biocontrol of Botryosphaeria dieback fungi in the field, to compare Trichoderma spp. against commercial products registered in other countries, and to determine optimum temperatures for conidial germination of Trichoderma spp. found in British Columbia (BC).
Methods and key findings
Detached cane assays under greenhouse conditions and field trials in a Merlot vineyard during two growing seasons assessed Trichoderma spp. from BC and commercial products as pruning wound protectants against Diplodia seriata and Neofusicoccum parvum over time. The Trichoderma-based treatments developed in this study provided pruning wound protection for up to 60 days after treatment and performed better or similarly to commercial products. Germination studies showed conidia of Trichoderma canadense germinated faster at lower temperatures than the other Trichoderma spp.
Conclusions and significance
This represents the first study evaluating locally sourced Trichoderma spp. as protection against grapevine trunk disease fungi under field conditions in Canada, and shows the potential that these endophytic isolates have as pruning wound protectants over time. This study also screened commercial products to manage grapevine trunk diseases for the first time in Canada, providing key data to support product registration. The discovery of faster conidial germination of T. canadense at lower temperatures deserves further investigation, as this species could be better adapted and thus provide more effective pruning wound protection when applied at the colder temperatures experienced in BC during the pruning season.
{"title":"Biological Control of Botryosphaeria Dieback of Grapevines in British Columbia, Canada","authors":"Jinxz Pollard-Flamand, Julie Boulé, Miranda Hart, José Ramón Úrbez-Torres","doi":"10.5344/ajev.2023.23052","DOIUrl":"https://doi.org/10.5344/ajev.2023.23052","url":null,"abstract":"<h3>Abstract</h3> <h3>Background and goals</h3> Botryosphaeria dieback is a grapevine trunk disease responsible for significant economic losses to grape producers worldwide. There are currently no products registered in Canada to control grapevine trunk diseases, and sustainable production has become a focus of the Canadian grape and wine industry. Therefore, the objectives of this research were to evaluate locally sourced <i>Trichoderma</i> spp. as biocontrol of Botryosphaeria dieback fungi in the field, to compare <i>Trichoderma</i> spp. against commercial products registered in other countries, and to determine optimum temperatures for conidial germination of <i>Trichoderma</i> spp. found in British Columbia (BC). <h3>Methods and key findings</h3> Detached cane assays under greenhouse conditions and field trials in a Merlot vineyard during two growing seasons assessed <i>Trichoderma</i> spp. from BC and commercial products as pruning wound protectants against <i>Diplodia seriata</i> and <i>Neofusicoccum parvum</i> over time. The <i>Trichoderma</i>-based treatments developed in this study provided pruning wound protection for up to 60 days after treatment and performed better or similarly to commercial products. Germination studies showed conidia of <i>Trichoderma canadense</i> germinated faster at lower temperatures than the other <i>Trichoderma</i> spp. <h3>Conclusions and significance</h3> This represents the first study evaluating locally sourced <i>Trichoderma</i> spp. as protection against grapevine trunk disease fungi under field conditions in Canada, and shows the potential that these endophytic isolates have as pruning wound protectants over time. This study also screened commercial products to manage grapevine trunk diseases for the first time in Canada, providing key data to support product registration. The discovery of faster conidial germination of <i>T. canadense</i> at lower temperatures deserves further investigation, as this species could be better adapted and thus provide more effective pruning wound protection when applied at the colder temperatures experienced in BC during the pruning season.","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135612180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Background and goals Winter temperature inversions in 2020 and 2022 saw much of Nova Scotia drop below -20°C, with the coldest vineyards registering below -25°C. With sizable plantings of both interspecific hybrids and Vitis vinifera L., we examined both in terms of bud hardiness, viability, and the regional historical frequency of like events. A pruning study using one hybrid and one V. vinifera site tested whether minimal pruning should remain the recommendation in a highly damaged cane-pruned system.
{"title":"Interspecific Hybrids versusVitis viniferaL. Bud Hardiness, Viability, and Postfreeze Pruning Implications in Cane-Pruned Vines","authors":"A. Wright, J. Franklin, Dale J. Hebb","doi":"10.5344/ajev.2023.23007","DOIUrl":"https://doi.org/10.5344/ajev.2023.23007","url":null,"abstract":"Background and goals Winter temperature inversions in 2020 and 2022 saw much of Nova Scotia drop below -20°C, with the coldest vineyards registering below -25°C. With sizable plantings of both interspecific hybrids and Vitis vinifera L., we examined both in terms of bud hardiness, viability, and the regional historical frequency of like events. A pruning study using one hybrid and one V. vinifera site tested whether minimal pruning should remain the recommendation in a highly damaged cane-pruned system.","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"39 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rocío B. Pellegrino Vidal, R. Boulton, A. Olivieri, F. Buscema
The search for strategies to improve the quality of Argentine Malbec wines has led to experimentation with production of wines that achieve superior sensory properties after prolonged bottle aging. During aging, a series of complex oxidation-reduction and polymerization reactions occur. These reactions, responsible for changing the sensory aspects of wines, can be influenced by a variety of factors (terroir, winemaking practices, storage conditions, etc.). Thus, understanding the chemical processes that take place during bottle aging could significantly impact the enol-ogy industry. This work evaluates the evolution of aromatic profiles over time in Malbec wines from Mendoza and California.
{"title":"Aging of Malbec Wines from Mendoza and California: Evolution of Volatile Composition","authors":"Rocío B. Pellegrino Vidal, R. Boulton, A. Olivieri, F. Buscema","doi":"10.5344/ajev.2023.22059","DOIUrl":"https://doi.org/10.5344/ajev.2023.22059","url":null,"abstract":"The search for strategies to improve the quality of Argentine Malbec wines has led to experimentation with production of wines that achieve superior sensory properties after prolonged bottle aging. During aging, a series of complex oxidation-reduction and polymerization reactions occur. These reactions, responsible for changing the sensory aspects of wines, can be influenced by a variety of factors (terroir, winemaking practices, storage conditions, etc.). Thus, understanding the chemical processes that take place during bottle aging could significantly impact the enol-ogy industry. This work evaluates the evolution of aromatic profiles over time in Malbec wines from Mendoza and California.","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Madison T Flasco, V. Hoyle, E. Cieniewicz, M. Fuchs
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{"title":"Transmission of Grapevine Red Blotch Virus: A Virologist’s Perspective of the Literature and a Few Recommendations","authors":"Madison T Flasco, V. Hoyle, E. Cieniewicz, M. Fuchs","doi":"10.5344/ajev.2023.23020","DOIUrl":"https://doi.org/10.5344/ajev.2023.23020","url":null,"abstract":"into","PeriodicalId":7461,"journal":{"name":"American Journal of Enology and Viticulture","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71029965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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