G. Vallad
Publications
141
h-index
27
Citations
3,208
Highly Influential Citations
194
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Systemic acquired resistance and induced systemic resistance in conventional agriculture
G. Vallad, R. M. Goodman
Biology
1 November 2004
TLDR
The benefits, drawbacks, and future considerations for the improved use of chemical and biological elicitors of induced resistance in conventional agriculture include the potential to exploit genetic variability within populations of crop species to improve the utility of SAR and ISR in the field.Expand
643 Citations
42
PDF
Diversity, pathogenicity, and management of verticillium species.
S. Klosterman, Z. Atallah, G. Vallad, K. Subbarao
Biology, Medicine
Annual review of phytopathology
3 August 2009
TLDR
This review focuses on Verticillium dahliae, placing emphasis on the controversy surrounding the elevation of a long-spored variant as a new species, recent advances in the analysis of compatible and incompatible interactions, highlighted by the use of strains expressing fluorescent proteins, and the genetic diversity among Verticills spp. Expand
427 Citations
30
Emerging phytopathogen Macrophomina phaseolina: biology, economic importance and current diagnostic trends
S. Kaur, G. Dhillon, S. K. Brar, G. Vallad, R. Chand, V. Chauhan
Biology, MedicineCritical reviews in microbiology
12 April 2012
TLDR
The present review discusses various biological aspects and distribution of M. phaseolina throughout the world and their importance to different plant species. Expand
83 Citations
11
Colonization of resistant and susceptible lettuce cultivars by a green fluorescent protein-tagged isolate of Verticillium dahliae.
G. Vallad, K. Subbarao
Biology, Medicine
Phytopathology

11 July 2008
TLDR
Results indicated that resistance in lettuce may lie with the plant's ability to shed infected lateral roots or to inhibit the systemic progress of the fungus through vascular tissues into the taproot. Expand
114 Citations
9
PDF
Bacterial spot of tomato and pepper: diverse Xanthomonas species with a wide variety of virulence factors posing a worldwide challenge.
N. Potnis, S. Timilsina, +5 authors Jeffrey B. Jones
Biology, Medicine
Molecular plant pathology

1 December 2015
TLDR
The current taxonomic status, distribution of the four species, knowledge of virulence factors, detection methods and strategies for disease control are discussed, with possible directions for future research.Expand
102 Citations
9
Transgenic Resistance Confers Effective Field Level Control of Bacterial Spot Disease in Tomato
D. Horvath, R. E. Stall, +5 authors John W. Scott
Biology, Medicine
PloS one

1 August 2012
TLDR
This is the first demonstration of effective field resistance in a transgenic genotype based on a plant R gene and provides an opportunity for control of a devastating pathogen while eliminating ineffective copper pesticides. Expand
91 Citations
8
PDF
Phylogenetic Analyses of Phytopathogenic Isolates of Verticillium spp.
Q. Qin, G. Vallad, B. Wu, K. Subbarao
Biology, Medicine
Phytopathology

1 June 2006
TLDR
Cross-pathogenicity tests demonstrated that most Verticillium isolates were as virulent on other hosts as on their hosts of origin, and the potential origin of some isolates of V. dahliae pathogenic on lettuce is proposed. Expand
74 Citations
7
PDF
Cloning and homology modelling of a Pto-like protein kinase family of common bean (Phaseolus vulgaris L.)
G. Vallad, M. Rivkin, C. Vallejos, P. McClean
BiologyTheoretical and Applied Genetics
1 November 2001
TLDR
Three-dimensional homology modelling demonstrated that Pto and Sg5–3e contain nearly all of the structural features found in type α cyclic AMP-dependent protein kinase (cAPKα) except α-helices within subdomains II and XI. Expand
42 Citations
7
PDF
Phylogenomics of Xanthomonas field strains infecting pepper and tomato reveals diversity in effector repertoires and identifies determinants of host specificity
Allison R. Schwartz, N. Potnis, +17 authors B. Staskawicz
Biology, Medicine
Front. Microbiol.

3 June 2015
TLDR
A division in the Xp population was detected based on core genome phylogeny, supporting a model whereby the host-range expansion of Xp field strains on pepper is due, in part, to a loss of the effector AvrBsT. Expand
77 Citations
6
Plant foliar disease suppression mediated by composted forms of paper mill residuals exhibits molecular features of induced resistance
G. Vallad, L. Cooperband, R. M. Goodman
Biology
1 August 2003
TLDR
It is concluded that plants grown in soils with composted PMR-amendments were more resistant to disease caused by Pst due to the induction of plant defenses, similar to systemic acquired resistance. Expand
71 Citations
6
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