Vallad, Gary E.

Vallad, Gary E.

Faculty Member

Positions

Faculty, Gulf Coast Research and Education Center , Florida Agricultural Experiment Station 2007 -
Associate Center Director and Associate Professor, Gulf Coast Research and Education Center , Florida Agricultural Experiment Station 2007 -
Associate Professor, Gulf Coast Research and Education Center , Florida Agricultural Experiment Station 2007 -
Visiting Post Doc Scholar, University of California Davis 2003 - 2007
Research Assistant, University of Wisconsin 1998 - 2003

research areas

overview

Dr. Gary Vallad’s research and extension program focuses on the diagnosis and management of diseases common to vegetable and ornamental production in Florida with an emphasis on the development and implementation of bio-based disease management strategies.

has course role

home department

Gulf Coast Research and Education Center Center

selected publications

academic article
- Whole-Genome Sequences of Xanthomonas Euvesicatoria Strains Clarify Taxonomy and Reveal a Stepwise Erosion of Type 3 Effectors. Frontiers in Plant Science. 7. 2016
- Analysis of Sequenced Genomes of Xanthomonas Perforans Identifies Candidate Targets for Resistance Breeding in Tomato. Phytopathology. 106:1097-1104. 2016
- Bacterial Spot of Tomato and Pepper: Diverse Xanthomonas Species With a Wide Variety of Virulence Factors Posing a Worldwide Challenge 2015
- Evaluating Weeds As Hosts of Tomato Yellow Leaf Curl Virus 2015
- Phylogenomics of Xanthomonas Field Strains Infecting Pepper and Tomato Reveals Diversity in Effector Repertoires and Identifies Determinants of Host Specificity 2015-06-01
- Dynamics of Verticillium Species Microsclerotia in Field Soils in Response to Fumigation, Cropping Patterns, and Flooding. Phytopathology. 105:638-645. 2015
- Multilocus Sequence Analysis of Xanthomonads Causing Bacterial Spot of Tomato and Pepper Plants Reveals Strains Generated By Recombination Among Species and Recent Global Spread of Xanthomonas Gardneri. Applied and Environmental Microbiology. 81:1520-1529. 2015-02-01
- Mycelial Compatibility and Pathogenic Diversity Among Sclerotium Rolfsii Isolates in the Southern United States. Plant Disease. 98:1685-1694. 2014-12-01
- Nutsedge (Cyperus Spp.) Control in Bell Pepper (Capsicum Annuum) Using Fallow-Period Weed Management and Fumigation for Two Years. Weed Technology. 28:653-659. 2014-10-01
- Copper in a Copper Tolerant Environment: Questioning the Value of Copper for Managing Bacterial Leaf Spot and Speck in Florida Tomato Production. Phytopathology. 104:10-11. 2014-05-01
- Effects of Irrigation Systems and Bed and Row Middle Fumigation On the Incidence and Severity of Diseases Caused By Fusarium Oxysporum in Tomato. Phytopathology. 104:5. 2014-05-01
- Genomic Analysis of Xanthomonas Perforans Strains From Tomato Production Areas in Florida Reveals Two Distinct Groups. Phytopathology. 104:10. 2014-05-01
- A Novel Xanthomonas Sp Causes Bacterial Spot of Rose (Rosa Spp.). Plant Disease. 97:1301-1307. 2013-10-01
- Xanthomonas Perforans Strains From Florida Tomatoes Exhibit Widespread Copper Tolerance, Changing Race Structure and Sensitivity To Other Bactericides. Phytopathology. 103:146. 2013-06-01
- Photocatalysis: Effect of Light-Activated Nanoscale Formulations of Tio2 On Xanthomonas Perforans and Control of Bacterial Spot of Tomato. Phytopathology. 103:228-236. 2013-03-01
- Transgenic Resistance Confers Effective Field Level Control of Bacterial Spot Disease in Tomato. PLoS One. 7. 2012-08-01
- Emerging Phytopathogen Macrophomina Phaseolina: Biology, Economic Importance and Current Diagnostic Trends. Critical Reviews in Microbiology. 38:136-151. 2012-05-01
- Dispersal of Salmonella Typhimurium By Rain Splash Onto Tomato Plants. Journal of Food Protection. 75:472-479. 2012-03-01
- Effect of Application Frequency and Reduced Rates of Acibenzolar-S-Methyl On the Field Efficacy of Induced Resistance Against Bacterial Spot On Tomato. Plant Disease. 96:221-227. 2012-02-01
- Analysis of Verticillium Dahliae Suggests a Lack of Correlation Between Genotypic Diversity and Virulence Phenotypes. Plant Disease. 95:1224-1232. 2011-10-01
- The Inheritance of Resistance To Verticillium Wilt Caused By Race 1 Isolates of Verticillium Dahliae in the Lettuce Cultivar La Brillante. Theoretical and Applied Genetics. 123:509-517. 2011-08-01
- Evaluation of Reduced Actigard Rates and Frequency On Bacterial Spot Management in Florida. Phytopathology. 101:S269. 2011-06-01
- Genetic Diversity Among Sclerotium Rolfsii Isolates in Southeast Us. Phytopathology. 101:S270. 2011-06-01
- Phenological and Phytochemical Changes Correlate With Differential Interactions of Verticillium Dahliae With Broccoli and Cauliflower. Phytopathology. 101:523-534. 2011-05-01
- Evaluation of Microbial Products for Management of Powdery Mildew On Summer Squash and Cantaloupe in Florida. Plant Disease. 95:461-468. 2011-04-01
- Exploring the Diversity of Plant Dna Viruses and Their Satellites Using Vector-Enabled Metagenomics On Whiteflies. PLoS One. 6. 2011-04-01
- Selection for Resistance To Verticillium Wilt Caused By Race 2 Isolates of Verticillium Dahliae in Accessions of Lettuce (Lactuca Sativa L.). HortScience. 46:201-206. 2011-02-01
- Comparison of Kasugamycin To Traditional Bactericides for the Management of Bacterial Spot On Tomato. HortScience. 45:1834-1840. 2010-12-01
- Molecular Variation Among Isolates of Verticillium Dahliae and Polymerase Chain Reaction-Based Differentiation of Races. Phytopathology. 100:1222-1230. 2010-11-01
- Influence of Shoot Pruning On Bacterial Spot Infestation On Tomato Cultivars 2010-10-01
- Characterization of Sclerotiium Rolfsii Isolates Affecting Vegetables and Row Crops in the Southern Us. Phytopathology. 100:S140. 2010-06-01
- Effect of Acibenzolar-S-Methyl On Bacterial Leaf Spot of Shrub Roses Caused By a Xanthomonas Sp.. Phytopathology. 100:S177. 2010-06-01
- Effect of Acibenzolar-S-Methyl On the Management of Early Blight and Target Spot of Tomato. Phytopathology. 100:S177. 2010-06-01
- Initial Characterization of a Xanthomonas Sp Causing Bacterial Spot of Shrub Rose (Rosa Spp.). Phytopathology. 100:S129-S130. 2010-06-01
- Effects of Shoot Pruning On Bacterial Spot Infestation On Tomato Cultivars. HortScience. 45:500. 2010-04-01
- Breeding for Resistance - New Approaches and Challenges. Phytopathology. 99:S168. 2009-06-01
- Diversity, Pathogenicity; and Management of Verticillium Species. Annual Review of Phytopathology. 47:39-62. 2009-01-01
- Analysis of Molecular Variability Among the Isolates of Verticillium Dahliae From Diverse Host Species Based On Fluorescence-Based Amplified Fragment Length Polymorphism. Phytopathology. 98:S78-S79. 2008-06-01
- Post-Fumigation Horizontal and Vertical Recolonization of Soil By Verticilliium Dahliae. Phytopathology. 98:S173. 2008-06-01
- Characterization of Verticillium Dahliae and V. Tricorpus Isolates From Lettuce and Artichoke. Plant Disease. 92:69-77. 2008-01-01

research overview

Research focuses on vegetable and ornamental diseases with an emphasis on bio-based control strategies.

principal investigator on

Evaluation of Candidates Biopesticides for Managing Managing Vegetable Diseases awarded by Monsanto Company 2015 - 2016
Evaluation of Fungicide Candidates for Early Blight Control in Tomato Protocol No. To15_Td_Dis_El_01 awarded by Monsanto Company 2015 - 2016
Emerging Specialty Crops: Development of Varieties, Pest Control and Cultural Practices for Pomegranate and . . . awarded by US Department of Agriculture Agriculture Marketing Service 2014 - 2015
Enhanced Implementation of Integrated Management Tactics for Tomato Yellow Leaf Curl Virus in the Southeastern USA awarded by US Department of Agriculture National Institute of Food and Agriculture 2012 - 2015
Improving the Efficacy of Methyl Bromide Alternatives for Small Fruit and Vegetable Production in Florida. awarded by US Department of Agriculture National Institute of Food and Agriculture 2012 - 2015
Protocol No. 2014-01-53-11 awarded by Monsanto Company 2012 - 2014
The Use of Fallow Weed Control Programs to Reduce Yellow Andpurple Nutsedge Populations in Bell Pepper awarded by US Department of Agriculture 2011 - 2014
Improved Bacterial Spot Management for Fl Tomato Production Using Non-Copper Bactericides & Improved Application ....... awarded by US Department of Agriculture 2012 - 2014
missing activity
Screening of Tomato Germplasm for Resistance to Target Spot Caused By Corynespora Cassliicola awarded by US Department of Agriculture Agriculture Research Service

co-principal investigator on

investigator on

The Economic Impact of Methyl Bromide Transition on Florida Tomato and Bell Pepper Production awarded by US Department of Agriculture National Institute of Food and Agriculture 2014 - 2017
Application Technology to Maximize Efficacy of Methyl Bromide Alternatives awarded by US Department of Agriculture National Institute of Food and Agriculture 2014 - 2016
Southern Region Proram to Clear Pest Control Agents for Minor Uses awarded by US Department of Agriculture National Institute of Food and Agriculture 2012 - 2014
Variety Evaluation of Compact Growth Habit Tomatoes With Jointless Predicels in a Modified Bed Configuration awarded by Florida Tomato Committee 2012 - 2014
Southern Region Program to Clear Pest Control Agents for Minor Uses awarded by US Department of Agriculture National Institute of Food and Agriculture 2011 - 2013
South Atlantic Area Extension Program for Methyl Bromide Alternatives awarded by US Department of Agriculture Agriculture Research Service 2008 - 2013
Tomato Research 2011-2012 awarded by Florida Tomato Committee 2011 - 2013
Evaluation of Tylcv-Resistant and Fusarium Crown Rot Tomato Cultivars Under Commercial Conditions in Southwest Florida awarded by Florida Tomato Committee 2010 - 2012
Southern Region Program to Clear Pest Control Agents for Minor Uses awarded by US Department of Agriculture 2010 - 2012

teaching activities

HOS6971 Fall 2009 2579 HOS6971 Fall 2009 2579
HOS6971 Fall 2011 9758 HOS6971 Fall 2011 9758
HOS6971 Spring 2010 2441 HOS6971 Spring 2010 2441
HOS6971 Summer 2009 8309 HOS6971 Summer 2009 8309
HOS6971 Summer 2010 8309 HOS6971 Summer 2010 8309
PLP6940 Spring 2010 1562 PLP6940 Spring 2010 1562
PLP6971 Summer 2012 7E05
PLP7979 Fall 2010 3945 PLP7979 Fall 2010 3945
PLP7979 Fall 2010 9960 PLP7979 Fall 2010 9960
PLP7979 Fall 2011 076G PLP7979 Fall 2011 076G
PLP7979 Fall 2011 3945 PLP7979 Fall 2011 3945
PLP7979 Spring 2010 2272 PLP7979 Spring 2010 2272
PLP7979 Spring 2011 2272 PLP7979 Spring 2011 2272
PLP7979 Spring 2012 1H79
PLP7979 Summer 2010 7169 PLP7979 Summer 2010 7169
PLP7979 Summer 2010 9482 PLP7979 Summer 2010 9482
PLP7979 Summer 2011 7169 PLP7979 Summer 2011 7169
PLP7979 Summer 2011 7D22 PLP7979 Summer 2011 7D22
PLP7980 Fall 2011 3946 PLP7980 Fall 2011 3946

education and training

Ph.D. in Plant Pathology, University of Wisconsin 2003
M.S. in Crop and Weed Sciences, North Dakota State University 1998
B.S. in Biotechnology and Microbiology, North Dakota State University 1996

full name

Gary Edward Vallad

primary email

gvallad@ufl.edu

phone

(813) 633-4121

Publications in VIVO

Co-author Network

Co-investigator Network

Contact Info

gvallad@ufl.edu

(813) 633-4121