p>Extractos de hoja de vid silvestre (EHVS) (Vitis spp.) de tres accesiones (P- , E y TN-4) se evaluaron in vitro a 6, 8 y 12 % v/v con el. Caracterización genética de aislamientos de Botrytis cinerea obtenidos en vides población local de aislamientos de B. cinerea obtenidos de vid en Argentina. gris en diversos cultivos de importancia económica, tales como el arándano, la vid, 01 Esporulación (signo) de Botrytis cinerea en durazno en poscosecha.
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Gray mold caused by Botrytis cinerea limits grape production in Chile. Latorre, Karina Elfar, and Enrique E. Latorre, K Elfar, and E. This review article provides a recent update regarding grape GM, with cinreea emphasis on Chilean production conditions. Botryotinia fuckeliana, bunch rot, epidemiology, fungicides, necrotroph, Vitis vinifera. Gray mold GM caused by Botrytis cinerea Pers.
Las enfermedades de la vid – Agromática
Grape GM affects the aerial organs, i. Notable textbooks Coley-Smith et al; Elad et al. Gray mold symptoms on Thompson Seedless table grapes. Reddish brown discoloration, partially dehydrated berries and the presence of gray mold. Nest of diseased berries in a very compact cluster. The capabilities of B. Conidia are produced on short sterigmata on botryhis swollen tips of aerial, fn, branched conidiophores Holz et al.
Chlamydospores have been described in B.
Colony morphology on potato dextrose agar. Black, melanized, elongated or spherical sclerotia measuring 3 to 5 mm in length are produced under unfavorable conditions in vitro and in planta. Although the sexual stage rarely occurs in nature, borrytis genetic variability has been reported in populations een B. Current evidence suggests that B. Recently, Vercesi et al. Isolates belonging to Group I have been identified as B.
The genome sequences of B. Survival, ej sources and dispersal. Therefore, abundant conidia are produced in multiple and very diverse overwintering structures. Therefore, the recent detection of L.
Immature berries are considered relatively resistant to B. Free moisture and temperate are required for infection. At least three infection pathways have been described: Symptoms appear at the stylar end of mature berries. Lateral infection through berry cheeks.
McClellan and Hewitt were the first to demonstrate the infection of B. At present, it is accepted that B. The latency of B. In addition cinerrea cluster compactness, several genetic factors, i. The nature of physical factors can be biotic e.
Since the early work of Nelsonseveral cinedea have been published regarding the relationship between GM infection and ambient parameters. In addition to temperature and relative humidity, wind speed affects aerial mycelia and conidia production. Berries that are exposed to sunlight, particularly UV-B light, produce thicker wax layers than berries under shaded conditions Keller et ala.
Agronomic factors predispose grapes to GM infection because they essentially alter the microclimate conditions within the grape canopy. Models to predict conditions for B. The detection and quantification of B. The considerable increase in the understanding of B. Numerous studies have demonstrated the conerea of leaf removal on GM control.
Leaf removal decreases B. Heading and shoot removal.
Thompson Seedless table grapes trained as Pergola. A general view at harvest time. A dense canopy interfering light penetration and air flow around clusters. Cluster removal and cluster thinning. In some wine grapes, cluster cnierea, which can be achieved with the use of botryyis regulators e. Removal of senescent debris. It has been demonstrated that the physical removal of senescent tissues e.
There is a long history of studies on Trichoderma spp. Isolate T39 of T.
The use of species of Bacillusincluding B. Finally, the presence of dsRNA mycoviruses has been described in B. Currently, chemical control is mainly based on the use of fungicides with a single-site mode of action. Succinate dehydrogenase inhibitors SDHI e. Quinone outside inhibitors QoI strobilurines e. Postharvest gray mold control on table grapes. Grape GM caused by B. P de Vries, P. Genomic analysis of the necrotrophic fungal pathogens Sclerotinia sclerotiorum and Botrytis cinerea.
PLOS Genetics 7 8: The molecular regulation of stilbene phytoalexin biosynthesis in Vitis vinifera during grape berry development. Reductions in bunch rot in Rhine Riesling grapes from bunch thinning. Elicitation and accumulation of stilbene phytoalexins in grape berries infected by Botrytis cinerea.
Water induces microcracks in the grape berry cuticle. Mating behaviour and genetics of fungicide resistance of Botrytis cinerea in New Zealand. Taxonomy and genetic variation of Botrytis and Botryotinia.
Biology, Pathology and Control. Autofluorescence of grape berries following Botrytis cinerea infection. Mohapatra, and P Bernard. Integrated control of Botrytis bunch rot of grape.
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Perforationen in der Cuticula von Weinbeeren als morphologischer Faktor der Botrytisresistenz. Fungicide resistance in crop pathogens: How can it be managed? The Assessment of risk. Relation between calcium content and resistance to enzymatic digestion of the skin during grape ripening. Languasco, and V Rossi. Influence of fungal strain, temperature, and wetness duration on infection of grapevine inflorescences and young berry clusters by Botrytis cinerea.
Roudet, and V Rossi, b. Epidemiology of Botrytis cinerea on cid The Biology of Botrytis. Effect of Y-trellis and vertical shoot positioning training systems on downy mildew and botrytis bunch rot of grape in highlands of Southern Brazil. Application of fungicides against postharvest Botrytis bunch rot of table grapes in the Western Cape. De Miccolis Angelini, R. Detection, quantification and immunolocalisation of Botrytis species.
Roudet, V Mayet, B.
Las enfermedades de la vid
Grape berry skin features related to ontogenic resistance to Botrytis cinerea. Iglesias, and V Jato. Fortini, and Y Brygoo. Adhesion of germlings of Botrytis cinerea. Twenty years of postharvest biocontrol research: Is it time for a new paradigm? De Montmollin, and O. Elad, Y, and K. Physiological aspects of resistance to Botrytis cinerea. Elad, Y, and A. Microbial Control of Botrytis spp.