Projects

EPIDEMIOLOGY AND MANAGEMENT OF PIERCE’S DISEASE AND OTHER MALADIES OF GRAPE Appropriated (D)   Accession Number: 422946

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa - (Proceedings)

Backus, E.A., Krugner, R. 2013. Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa. p. 1.In: 2012 Pierce's Disease Research Progress Reports, California Department of Food and Agriculture, 262 pp.

Evaluation of grapevine as a host for the glassy-winged sharpshooter - (Abstract Only)

Sisterson, M.S., Krugner, R., Wallis, C.M. 2012. Evaluation of grapevine as a host for the glassy-winged sharpshooter. In: Pierce's Disease Research Progress Reports, California Department of Food and Agriculture. pp 12.

Gut content examination of the citrus predator assemblage for the presence of Homalodisca vitripennis remains - (Peer Reviewed Journal) - (11-Sep-12)

Plant water stress effects on the net dispersal rate of the insect vector Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) and movement of its egg parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae) - (Peer Reviewed Journal) - (31-Jul-12)

Recapture rate of diaphorina citri kuwayama (hemiptera: psyllidae) marked with fluorescent dust in dispersal studies - (Abstract Only) - (18-Jun-12)

Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa - (Abstract Only)

Backus, E.A., Krugner, R. 2012. Effects of plant water stress on vector feeding behaviors that control acquisition and inoculation of Xylella fastidiosa. Phytopathology. 102(S4):8.

Phenology of Xylella fastidiosa and its Vector, Draeculacephala minerva, in vegetation surrounding California Almond Nurseries - (Abstract Only)

Krugner, R., Ledbetter, C.A., Chen, J., Shrestha, A. 2012. Phenology of Xylella fastidiosa and its Vector, Draeculacephala minerva, in vegetation surrounding California Almond Nurseries. Entomological Society of America Proceedings, Pacific Branch Meting, March 25-28, 2012, Portland, Oregon. p. 21.

Effects of Insect Origin, Gender, and Age on Transmission of Xylella fastidiosa to Grapevines by Homalodisca vitripennis (Hemiptera: Cicadellidae) - (Peer Reviewed Journal)

Krugner, R., Sisterson, M.S., Lin, H. 2012. Effects of Insect Origin, Gender, and Age on Transmission of Xylella fastidiosa to Grapevines by Homalodisca vitripennis (Hemiptera: Cicadellidae). Annals of the Entomological Society of America. 105(2):280-286.

Phenology of Xylella fastidiosa and Draeculocephala minerva in California almond nurseries: an assessment of plant vulnerability to almond leaf scorch disease - (Abstract Only)

Krugner, R. 2011. Phenology of Xylella fastidiosa and Draeculocephala minerva in California almond nurseries: an assessment of plant vulnerability to almond leaf scorch disease. CDFA Pierce's Disease Control Program Research Symposium, Dec 15-18, 2011, Sacramento, California. p.29.

Effects of plant water stress and temperature on glassy-winged sharpshooter feeding in relation to transmission of Xylella fastidiosa - (Abstract Only)

Backus, E.A., Krugner, R., Son, Y., Johnson, M. 2011. Effects of plant water stress and temperature on glassy-winged sharpshooter feeding in relation to transmission of Xylella fastidiosa. CDFA Pierce's Disease Control Program Research Symposium. p. 19.

Grape hosts infested with glassy-winged sharpshooters produce volatile compounds which may attract egg parasitoids - (Abstract Only)

Wallis, C.M., Krugner, R., Walse, S.S. 2011. Grape hosts infested with glassy-winged sharpshooters produce volatile compounds which may attract egg parasitoids. Phytopathology 101:S184.

Honeydew and insecticide-bait as competing food resources for a fruit fly and common parasitoids - (Peer Reviewed Journal)

Wang, X., Johnson, M.W., Opp, S.B., Krugner, R., Daane, K.M. 2011. Honeydew and insecticide-bait as competing food resources for a fruit fly and common parasitoids. Entomologia Experimentalis et Applicata. p.128-137.

VECTOR ABILITY AND REPRODUCTIVE CHARACTERISTICS OF HOMALODISCA VITRIPENNIS (GERMAR) (HEMIPTERA: CICADELLIDAE) FROM GEOGRAPHICALLY SEPARATED POPULATIONS IN CALIFORNIA - (Abstract Only)

Krugner, R., Sisterson, M.S., Lin, H. 2011. VECTOR ABILITY AND REPRODUCTIVE CHARACTERISTICS OF HOMALODISCA VITRIPENNIS (GERMAR) (HEMIPTERA: CICADELLIDAE) FROM GEOGRAPHICALLY SEPARATED POPULATIONS IN CALIFORNIA. Entomological Society of America Annual Meeting. p.25.

Glassy-winged sharpshooter infestations induce grape hosts to produce volatile compounds which may attract egg parasitoids - (Proceedings)

Wallis, C.M., Krugner, R., Walse, S.S. 2010. Glassy-winged sharpshooter infestations induce grape hosts to produce volatile compounds which may attract egg parasitoids. CDFA Pierce's Disease Control Program Research Symposium, Dec 15-17, 2010, San Diego, California. p.51.

EXPERIMENTAL ANALYSIS OF BIOLOGICAL PARAMETERS AND VECTOR ABILITY OF GLASSY-WINGED SHARPSHOOTERS FROM ALLOPATRIC POPULATIONS IN CALIFORNIA - (Abstract Only)

Krugner, R., Sisterson, M.S., Lin, H. 2010. EXPERIMENTAL ANALYSIS OF BIOLOGICAL PARAMETERS AND VECTOR ABILITY OF GLASSY-WINGED SHARPSHOOTERS FROM ALLOPATRIC POPULATIONS IN CALIFORNIA. [abstract]CDFA Pierce's Disease Control Program Research Symposium, Dec 15-17, 2010, San Diego, CA. p. 21.

Differential reproductive maturity between allopatric populations of Homalodisca vitripennis (Hemiptera: Cicadellidae) in California - (Peer Reviewed Journal)

Krugner, R. 2010. Differential reproductive maturity between allopatric populations of Homalodisca vitripennis (Hemiptera: Cicadellidae) in California. Crop Protection. 29:1521-1528.

Estimation of feeding threshold for Homalodisca vitripennis (Hemiptera: Cicadellidae) and its application to prediction of overwintering mortality - (Peer Reviewed Journal)

Son, Y., Groves, R.L., Daane, K.M., Morgan, D.J., Krugner, R., Johnson, M.W. 2010. Estimation of feeding threshold for Homalodisca vitripennis (Hemiptera: Cicadellidae) and its application to prediction of overwintering mortality. Environmental Entomology. 39(4):1264-1275.

Evaluation of pathogenicity and insect transmission of Xylella fastidiosa strains to olive plants - (Abstract Only)

Krugner, R. 2010. Evaluation of pathogenicity and insect transmission of Xylella fastidiosa strains to olive plants [abstract]. California Olive Committee Annual Research Report. P. 48-56.

Glassy-winged sharpshooters (GWSS) are not GWSS: Differential Reproductive Maturity between Allopatric Californian Populations - (Abstract Only)

Krugner, R. 2009. Glassy-winged sharpshooters (GWSS) are not GWSS: Differential Reproductive Maturity between Allopatric Californian Populations. [abstract]. California Department of Food and Agriculture, Pierce's Disease Control Program Research Symposium, December 9-11, 2009, Sacramento, CA.

Movement of Glassy-Winged Sharpshooters in a Deficit Irrigated Citrus Orchard - (Proceedings)

Krugner, R. 2010. Movement of Glassy-Winged Sharpshooters in a Deficit Irrigated Citrus Orchard. In: American Society of Agronomy, California Chapter, California Plant and Soil Confeence, February 2-3, 2010, Tulare, California. p.32.

Production of Anagrus epos Girault (Hymenoptera: Mymaridae) on Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) eggs - (Peer Reviewed Journal)

Krugner, R., Johnson, M.W., Morgan, D.J., Morse, J.G. 2009. Production of Anagrus epos Girault (Hymenoptera: Mymaridae) on Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) eggs. Biological Control. 51(1):122-129.

Quantification of Movement and Spatiotemporal Distribution of Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) in a Citrus Orchard Using a Protein Marking Technique - (Abstract Only)

Krugner, R., Johnson, M.W., Hagler, J.R., Groves, R., Morse, J.G. 2009. Quantification of Movement and Spatiotemporal Distribution of Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) in a Citrus Orchard Using a Protein Marking Technique. Entomological Society of America Annual Meeting. Available: http://esa.confex.com/esa/2009/webprogram/Paper39813.html.

Diverse niche opportunities for glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), in California and the role of research for crop protection - (Abstract Only)

Krugner, R. 2009. Diverse niche opportunities for glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), in California and the role of research for crop protection. Entomological Society of America Annual Meeting. Available: http://esa.confex.com/esa/2009/webprogram/Paper40421.html

The Glassy-Winged Sharpshooter Vector of Xylella fastidiosa Harbors a Phytoreovirus - (Abstract Only)

Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. The Glassy-Winged Sharpshooter Vector of Xylella fastidiosa Harbors a Phytoreovirus. American Phytopathological Society Annual Meeting, Portland, OR. (07/09). Phytopathology 99: S124.

Genomic Characterization of a Phytoreovirus species infecting the glassy-winged sharpshooter - (Abstract Only)

Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. Genomic Characterization of a Phytoreovirus species infecting the glassy-winged sharpshooter[abstract]. American Society for Virology Meeting. p.342.

Seasonal Population Dynamics of Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) in Sweet Orange Trees Maintained under Continuous Deficit Irrigation - (Peer Reviewed Journal)

Krugner, R., Groves,, R.L., Johnson,, M.W., Flores,, A.P., Hagler, J.R., Morse,, J.G. 2009. Seasonal Population Dynamics of Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) in Sweet Orange Trees Maintained under Continuous Deficit Irrigation. Journal of Economic Entomology. 102(3):960-973.

A New Phytoreovirus Infecting the Glassy-Winged Sharpshooter (Homalodisca vitripennis) - (Peer Reviewed Journal)

Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2009. A New Phytoreovirus Infecting the Glassy-Winged Sharpshooter (Homalodisca vitripennis). Virology. 386:469-477.

Spatiotemporal Distribution and Movement of Glassy-Winged Sharpshooters in a Citrus Orchard - (Abstract Only)

Krugner, R., Johnson, M.W., Hagler, J.R., Groves, R., Morse, J. 2009. Spatiotemporal Distribution and Movement of Glassy-Winged Sharpshooters in a Citrus Orchard. National IPM Symposium, Portland, Oregon, March 24-26, 2009.

Characterization of a new Phytoreovirus species infecting the glassy-winged sharpshooter - (Abstract Only)

Stenger, D.C., Sisterson, M.S., Krugner, R., Backus, E.A., Hunter, W.B. 2008. Characterization of a new Phytoreovirus species infecting the glassy-winged sharpshooter [abstract]. CDFA Pierce's Disease Control Program Research Symposium, December 15-17, 2008, San Diego, California; Poster abstracts not published in Proceedings.

Population dynamics of insect vectors of Xylella fastidiosa in almond nurseries in the San Joaquin Valley of California: An assessment of plant vulnerability to almond leaf scorch disease. - (Abstract Only)

Krugner, R. 2008. Population dynamics of insect vectors of Xylella fastidiosa in almond nurseries in the San Joaquin Valley of California: An assessment of plant vulnerability to almond leaf scorch disease.. Entomological Society of America Annual Meeting, Reno, Nevada, November 16-19, 2008.

Olfactory responses of the egg parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae), to host plants infested by Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) - (Peer Reviewed Journal)

Krugner, R., Johnson, M.W., Daane, K.M., Morse, J.G. 2008. Olfactory responses of the egg parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae), to host plants infested by Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae). Biological Control. 47:8-15.

Dispersal and Movement of the Glassy-winged Sharpshooter and Associated Natural Enemies in a Continuous, Deficit-irrigated Agricultural Landscape - (Proceedings)

Krugner, R., Nadel, H., Johnson,, M.W., Hagler, J.R., Morgan,, D., Stenger, D.C., Groves, R. 2007. Dispersal and Movement of the Glassy-winged Sharpshooter and Associated Natural Enemies in a Continuous, Deficit-irrigated Agricultural Landscape. In: Proceedings of CDFA Pierce's Disease Control Program Research Symposium, December 12-14, 2007, San Diego, California. p. 38-41

The Anagrus epos Complex: a Likely Source of Effective Classical Biological Agents for Glassy-Winged Sharpshooter Control - (Proceedings)

Morse,, J.G., Stouthamer,, R., Triapitsyn,, S.V., Morgan,, D.J., Lytle,, J.M., Krugner, R., Rugman-Jones,, P. 2007. The Anagrus epos Complex: a Likely Source of Effective Classical Biological Agents for Glassy-Winged Sharpshooter Control. In: CDFA Pierce's Disease Control Program Research Symposium, San Diego, CA, Dec 12-14, 2007. p. 94-97.