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.

Author: Vur Fenrisida
Country: Great Britain
Language: English (Spanish)
Genre: Politics
Published (Last): 15 May 2005
Pages: 181
PDF File Size: 3.79 Mb
ePub File Size: 17.12 Mb
ISBN: 200-8-55310-265-9
Downloads: 39824
Price: Free* [*Free Regsitration Required]
Uploader: Taut

However, grey mould and bunch rot are two of the diseases that have been reported to affect grapevines in Mendoza.

Las enfermedades de la vid – Agromática

Reddish brown discoloration, partially dehydrated berries and the presence of gray mold. Lane 9 bp molecular weigth marker.

Isolate T39 of T. Cultural control Canopy management. Control of Botrytis cinerea on Merlot grapevine in Ticino. Two sibling species of the Botrytis cinerea complex, transposa and vacuma, are found in simpatry on numerous hosts plants. Epidemiology of Botrytis cinerea on grape: In spite of the limited number of samples analysed, our results agree with the previous reports about the absence or very low frequency of Group I isolates amongst those that infect grapevines.

Sobre las hojas se producen lesiones de color pardo localizadas en los bordes o en la punta. Reductions in bunch rot in Rhine Riesling grapes from bunch thinning.

Las enfermedades de la vid

Relation between calcium content and resistance to enzymatic digestion of the skin during grape ripening. Therefore, these areas act as completely isolated regions. Alleles reported previously as exclusive of a French population. Krawetz S, Misener S, editors. How can it be managed?

  ANGIOPATIA AMILOIDE CEREBRAL PDF

Use of fruit zone leaf removal with Vitis vinifera L. Williamson, P Tudzynski, and N. Considering the amount of data previously published at the time of the study, PCR-RFLP and presence of transposable elements were chosen as genotyping methods. Aurora Martinez – 5. Variation in fungal spore concentrations of selected taxa associated to weather conditions in Cracow, Poland, in Occurrence of Botrytis cinerea and subsequent disease suppression at different positions on leaves and bunches of grape.

The role of saprotrophy and virulence in the population dynamics of Botrytis cinerea in vineyards. Estimated Fst value between Mendoza and individual Champagne subpopulations.

A general view at harvest time.

Genetic structure of Botrytis cinerea populations from different host plants in California. Agronomic factors predispose grapes to GM infection because they essentially alter the microclimate conditions within the grape canopy.

Effects of mechanical thinning on yield and fruit composition of Tempranillo and Grenache grapes trained to a vertical shoot-positioned canopy.

The resulting products were checked by agarose gel electrophoresis, and the reactions repeated three times for each PCR marker prior to the RFLP analysis. A vd difference in allele frequency was recorded between the local and French populations.

This variation has been cimerea using restriction fragment length polymorphism RFLP7 the presence or absence of transposable elements, 3,10 random amplification of polymorphic DNA RAPD markers, boyrytis amplified fragment length polymorphisms AFLP15 and microsatellites, 5,8,11 amongst other molecular typing techniques.

There was a problem providing the content you requested

The use of aerobiological methods for forecasting Botrytis spore concentrations in a vineyard. Results Rn the analysed isolates were classified as Group II according to the most recent proposed classification and showed a high degree of genetic diversity, with 14 different haplotypes.

A double-stranded RNA mycovirus in Botrytis cinerea.

  HORTUS DELICIARUM PDF

P de Vries, P. Fungicide resistance in crop pathogens: Is it time for a new paradigm? At that moment, two sibling sympatric cnierea were defined: In addition to temperature and relative humidity, wind speed affects aerial mycelia and conidia production. The effect of ultra-violet and solar radiation and temperature on survival of fungal propagules.

Gray mold GM caused by Botrytis cinerea Pers. Genomic analysis of the necrotrophic fungal pathogens Sclerotinia sclerotiorum and Botrytis cinerea. Since the early work of Nelsonseveral studies have been published regarding the relationship between GM infection and ambient parameters.

Mycol Res,pp. Origin and cultivar of the 35 vineyard isolates of Botrytis cinerea included in the study. Succinate dehydrogenase cunerea SDHI e. Conclusions These comparisons between fungal populations, led to the detection of a high level of diversity and the differentiation between local and French groups of isolates. A selective medium for Botrytis cinerea to be used in a spore-trap.

Este sitio usa Akismet para reducir el spam. Correlations of e, anatomical, and chemical features of grape berries with resistance to Botrytis cinerea. Although the sexual stage rarely occurs cinerae nature, high genetic variability has been reported in populations of B. A significant difference in allele frequency was recorded between the local and French populations.

At least three infection pathways have been described: Grape GM caused by B. The Genepop software estimates the P value for Fisher’s exact test using a Markov chain. When the genic differentiation botrytus the local population and the four individual French subpopulations was analysed, the P values were less than 0.