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https://www.readbyqxmd.com/read/28623799/assessment-of-species-specific-and-temporal-variations-of-major-trace-and-rare-earth-elements-in-vineyard-ambient-using-moss-bags
#1
Tijana Milićević, M Aničić Urošević, Gordana Vuković, Sandra Škrivanj, Dubravka Relić, Marina V Frontasyeva, Aleksandar Popović
Since the methodological parameters of moss bag biomonitoring have rarely been investigated for the application in agricultural areas, two mosses, Sphagnum girgensohnii (a species of the most recommended biomonitoring genus) and Hypnum cupressiforme (commonly available), were verified in a vineyard ambient. The moss bags were exposed along transects in six vineyard parcels during the grapevine season (March‒September 2015). To select an appropriate period for the reliable 'signal' of the element enrichment in the mosses, the bags were simultaneously exposed during five periods (3 × 2 months, 1 × 4 months, and 1 × 6 months)...
June 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28616068/genetic-diversity-and-structure-of-lolium-perenne-ssp-multiflorum-in-california-vineyards-and-orchards-indicate-potential-for-spread-of-herbicide-resistance-via-gene-flow
#2
Elizabeth Karn, Marie Jasieniuk
Management of agroecosystems with herbicides imposes strong selection pressures on weedy plants leading to the evolution of resistance against those herbicides. Resistance to glyphosate in populations of Lolium perenne L. ssp. multiflorum is increasingly common in California, USA, causing economic losses and the loss of effective management tools. To gain insights into the recent evolution of glyphosate resistance in L. perenne in perennial cropping systems of northwest California and to inform management, we investigated the frequency of glyphosate resistance and the genetic diversity and structure of 14 populations...
July 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28616012/corrigendum-from-vineyard-soil-to-wine-fermentation-microbiome-approximations-to-explain-the-terroir-concept
#3
Ignacio Belda, Iratxe Zarraonaindia, Matthew Perisin, Antonio Palacios, Alberto Acedo
[This corrects the article on p. 821 in vol. 8, PMID: 28533770.].
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28611795/grape-composition-under-abiotic-constrains-water-stress-and-salinity
#4
REVIEW
José M Mirás-Avalos, Diego S Intrigliolo
Water stress and increasing soil salt concentration represent the most common abiotic constrains that exert a negative impact on Mediterranean vineyards performance. However, several studies have proven that deficit irrigation strategies are able to improve grape composition. In contrast, irrigation with saline waters negatively affected yield and grape composition, although the magnitude of these effects depended on the cultivar, rootstock, phenological stage when water was applied, as well as on the salt concentration in the irrigation water...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28608474/association-between-ants-hymenoptera-formicidae-and-the-vine-mealybug-hemiptera-pseudococcidae-in-table-grape-vineyards-in-eastern-spain
#5
Aleixandre Beltrà, Cristina Navarro-Campos, Altea Calabuig, Luis Estopà, Felix L Wäckers, Apostolos Pekas, Antonia Soto
BACKGROUND: The vine mealybug, Planococcus ficus (Signoret) (Hemiptera: Pseudococcidae) is a key pest of grapevine in the Mediterranean Basin. Some honeydew collecting ant species are known to increase mealybug populations in other grape-growing regions. However, there is scarce information on either the ant species present in Mediterranean vineyards or their impact on mealybugs. We conducted a study in four commercial vineyards in Eastern Spain in order to i) identify the ant species foraging on the vine canopies, ii) study the association among ant activity, vine mealybug abundance and fruit damage, and iii) test a novel method for ant management, distracting ants from guarding vine mealybugs by providing artificial sugars...
June 12, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28602091/assessing-spatial-variability-of-grape-skin-flavonoids-at-the-vineyard-scale-based-on-plant-water-status-mapping
#6
Luca Brillante, Johann Martinez-Luscher, Runze Yu, Cassandra M Plank, Luis A Sanchez, Terrence Bates, Charles Brenneman, A Oberholster, Sahap Kaan Kurtural
Plant water stress affects grape (Vitis vinifera L. cv. Cabernet Sauvignon) berry composition and is variable in space due to variations in the physical environment at the growing site. We monitored the natural variability of grapevine water stress by stem water potential (ψstem) and leaf gas exchange in an equi-distant grid in a commercial vineyard. Spatial differences were measured and related to topographical variation by modeling. Geospatial analysis and clustering allowed to differentiate the vineyard block into two distinct zones having severe and moderate water stress where it varied by 0...
June 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28598532/ptr-ms-volatile-profiling-of-pinot-noir-wines-for-the-investigation-of-differences-based-on-vineyard-site
#7
C Schueuermann, P Bremer, P Silcock
No abstract text is available yet for this article.
June 9, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28587991/controlled-water-deficit-during-ripening-affects-proanthocyanidin-synthesis-concentration-and-composition-in-cabernet-sauvignon-grape-skins
#8
Alejandro Cáceres-Mella, M Inmaculada Talaverano, Luis Villalobos-González, Camila Ribalta-Pizarro, Claudio Pastenes
The influence of controlled water deficit on the phenolic composition and gene expression of VvLAR2, VvMYBPA1, VvMYBPA2 and VvMYB4a in Cabernet Sauvignon grape skins throughout ripening was investigated. The assay was carried out on own-rooted Vitis vinifera plants cv. Cabernet Sauvignon in a commercial vineyard from veraison until commercial harvest. Three irrigation regimes were used from veraison until harvest with the following treatments: T1: 3.6 mm day(-1); T2: 1.8 mm day(-1) and T3: 0.3 mm day(-1)...
May 26, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28587278/tryptophan-levels-during-grape-ripening-effects-of-cultural-practices
#9
Ana Ruiz-Rodríguez, Ceferino A Carrera, Widiastuti Setyaningsih, Gerardo F Barbero, Marta Ferreiro-González, Miguel Palma, Carmelo G Barroso
Some cultural practices that are carried out during the grape ripening period are associated with vine stress, including leaf removal, grape bunch removal, and vegetable cover crops. Additionally, several nitrogen and sulfur supplements have also been used directly on leaves during the last stage of the ripening period. In the work described here, five different cultural practices and the reference were applied in three replicates in the same vineyard. The evolution of tryptophan levels was evaluated from just after grape veraison until the harvest date...
June 6, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28585244/characterization-of-phenolic-composition-in-carignan-noir-grapes-vitis-vinifera-l-from-six-wine-growing-sites-in-maule-valley-chile
#10
Ana M Martínez-Gil, Gastón Gutiérrez-Gamboa, Teresa Garde-Cerdán, Eva P Pérez-Álvarez, Yerko Moreno-Simunovic
BACKGROUND: Among Chilean varieties, Carignan noir has had a major resurgence due to its rediscovered wine quality potential. For this, the aim of this study was to characterize phenolic composition of grapes grown in six sites from the Maule Valley. RESULTS: The data showed that myricetin-3-glc and catechin were the most important flavonol and flavanol respectively. Anthocyanin and flavonol composition was correlated with biologically effective degree days, exhibiting a relationship with grape maturity...
June 5, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28585175/nematicidal-effect-of-rhizobacteria-on-plant-parasitic-nematodes-associated-with-vineyards
#11
E Aballay, S Prodan, A Zamorano, C Castaneda-Alvarez
The action of metabolites and exoenzymes from rhizobacteria on different plant-parasitic nematodes has an influence on the nematicidal efficacy of the microbe. Seven rhizobacteria, divided into two bacterial groups, were evaluated in vitro for nematicidal activity on Meloidogyne ethiopica and Xiphinema index. The direct effect of their filtrates on egg hatching and juveniles of M. ethiopica as well as mobile stages of X. index was evaluated during a 72-h period. The production of four exoenzymes and two metabolites associated with nematode mortality was investigated...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28575831/assessing-the-magnitude-of-potential-environmental-impacts-related-to-water-and-toxicity-in-the-peruvian-hyper-arid-coast-a-case-study-for-the-cultivation-of-grapes-for-pisco-production
#12
Ian Vázquez-Rowe, Jorge Renato Torres-García, Ana Lucía Cáceres, Gustavo Larrea-Gallegos, Isabel Quispe, Ramzy Kahhat
The environmental sustainability of the cultivation of grapes for the production of alcoholic beverages has been extensively analyzed in the literature from a Life Cycle Assessment perspective, although certain impact categories have been repeatedly neglected despite their importance, such as toxic emissions or the depletion of freshwater resources. Hence, the current study provides a detailed assessment of water footprint-related impact categories, including toxicity, for the cultivation of grapes for pisco production, an alcoholic beverage produced in coastal Peru in hyper-arid areas that suffer high levels of water scarcity...
May 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28554017/oxidative-stress-biomarkers-in-the-mediterranean-pond-turtle-mauremys-leprosa-reveal-contrasted-aquatic-environments-in-southern-france
#13
Laurent Héritier, Anne-Leila Meistertzheim, Olivier Verneau
Increasing anthropogenic activities, like agricultural practices, constitute the main causes of the loss of water quality and disruption of freshwater ecosystems. High concentrations of pesticides, as shown under experimental conditions, can indeed impact freshwater animals. In Southern France, especially in the Pyrénées-Orientales department, because agricultural activities are mainly based on fruit crops and vineyards, glyphosate and AMPA were detected in some watercourses. Thereby we investigated the effects of degraded waters on the physiology of the endemic endangered freshwater species, namely the Mediterranean pond turtle Mauremys leprosa, in contrasted environments along the same rivers on the one hand and between different rivers on the other...
May 24, 2017: Chemosphere
https://www.readbyqxmd.com/read/28553266/the-grapevine-and-wine-microbiome-insights-from-high-throughput-amplicon-sequencing
#14
REVIEW
Horatio H Morgan, Maret du Toit, Mathabatha E Setati
From the time when microbial activity in wine fermentation was first demonstrated, the microbial ecology of the vineyard, grape, and wine has been extensively investigated using culture-based methods. However, the last 2 decades have been characterized by an important change in the approaches used for microbial examination, due to the introduction of DNA-based community fingerprinting methods such as DGGE, SSCP, T-RFLP, and ARISA. These approaches allowed for the exploration of microbial community structures without the need to cultivate, and have been extensively applied to decipher the microbial populations associated with the grapevine as well as the microbial dynamics throughout grape berry ripening and wine fermentation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28550527/environmental-yeast-communities-in-vineyards-in-the-mountains-of-santa-catarina-state-brazil
#15
S D C Mendes, M Ramírez-Castrillón, N P Feldberg, F C Bertoldi, P Valente
Yeasts were isolated from three vineyards located in the South Region of Brazil. A cross evaluation was carried out at the oldest vineyard of the study in Pinheiro Preto. Samples of grape berries, grapevine leaves and the soil, along with samples of the winery equipment and effluent, were collected. In the Serra do Marari and Campos Novos vineyards only samples of grape clusters were obtained. The 106 yeast isolates were identified by sequencing the D1/D2 domain of LSU rDNA or ITS1-5.8S-ITS2 region in 22 species...
June 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28545224/natural-inspired-intelligent-visual-computing-and-its-application-to-viticulture
#16
Li Minn Ang, Kah Phooi Seng, Feng Lu Ge
This paper presents an investigation of natural inspired intelligent computing and its corresponding application towards visual information processing systems for viticulture. The paper has three contributions: (1) a review of visual information processing applications for viticulture; (2) the development of natural inspired computing algorithms based on artificial immune system (AIS) techniques for grape berry detection; and (3) the application of the developed algorithms towards real-world grape berry images captured in natural conditions from vineyards in Australia...
May 23, 2017: Sensors
https://www.readbyqxmd.com/read/28544449/metagenomic-based-impact-study-of-transgenic-grapevine-rootstock-on-its-associated-virome-and-soil-bacteriome
#17
Jean-Michel Hily, Sandrine Demanèche, Nils Poulicard, Mélanie Tannières, Samia Djennane, Monique Beuve, Emmanuelle Vigne, Gérard Demangeat, Véronique Komar, Claude Gertz, Aurélie Marmonier, Caroline Hemmer, Sophie Vigneron, Armelle Marais, Thierry Candresse, Pascal Simonet, Olivier Lemaire
For some crops, the only possible approach to gain a specific trait requires genome modification. The development of virus-resistant transgenic plants based on the pathogen-derived resistance strategy has been a success story for over three decades. However, potential risks associated with the technology, such as horizontal gene transfer (HGT) of any part of the transgene to an existing gene pool, have been raised. Here, we report no evidence of any undesirable impacts of genetically modified (GM) grapevine rootstock on its biotic environment...
May 25, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28540490/relationship-between-viticultural-climatic-indices-and-grape-maturity-in-australia
#18
C Jarvis, E Barlow, R Darbyshire, R Eckard, I Goodwin
Historical temperature data and maturity records were analyzed for 45 vineyard blocks in 15 winegrowing regions across Australia in order to evaluate the suitability of common viticultural indices to estimate date of grape maturity. Five temperature-based viticultural indices (mean January temperature, mean growing season temperature, growing degree days, biologically effective degree days, Huglin Index) along with four springtime temperature indices (mean and maximum temperature summations for September, October, and November; growing degree days and biologically effective degree days modified to include September) were compared to maturity data in order to investigate index relationship to observed maturity timing...
May 24, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28533770/from-vineyard-soil-to-wine-fermentation-microbiome-approximations-to-explain-the-terroir-concept
#19
REVIEW
Ignacio Belda, Iratxe Zarraonaindia, Matthew Perisin, Antonio Palacios, Alberto Acedo
Wine originally emerged as a serendipitous mix of chemistry and biology, where microorganisms played a decisive role. From these ancient fermentations to the current monitored industrial processes, winegrowers and winemakers have been continuously changing their practices according to scientific knowledge and advances. A new enology direction is emerging and aiming to blend the complexity of spontaneous fermentations with industrial safety of monitored fermentations. In this context, wines with distinctive autochthonous peculiarities have a great acceptance among consumers, causing important economic returns...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28526983/low-source-sink-ratio-reduces-reserve-starch-in-grapevine-woody-canes-and-modulates-sugar-transport-and-metabolism-at-transcriptional-and-enzyme-activity-levels
#20
Angélica Silva, Henrique Noronha, Zhanwu Dai, Serge Delrot, Hernâni Gerós
Severe leaf removal decreases storage starch and sucrose in grapevine cv. Cabernet Sauvignon fruiting cuttings and modulates the activity of key enzymes and the expression of sugar transporter genes. Leaf removal is an agricultural practice that has been shown to modify vineyard efficiency and grape and wine composition. In this study, we took advantage of the ability to precisely control the number of leaves to fruits in Cabernet Sauvignon fruiting cuttings to study the effect of source-sink ratios (2 (2L), 6 (6L) and 12 (12) leaves per cluster) on starch metabolism and accumulation...
May 19, 2017: Planta
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