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Marsha E Browning
Foreign Disease-Weed Science Research
Plant Pathologist

Phone: (301) 619-5258
Fax: (301) 619-2880
Room 205

1301 DITTO AVE
BLDG 1301
FORT DETRICK , MD 21702

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The effect of moisture on Phytophthora ramorum zoospore infection of Rhododendron ‘Cunningham’s White’ and Viburnum tinus -
Tooley, P.W., Browning, M.E. 2019. The effect of moisture on Phytophthora ramorum zoospore infection of Rhododendron ‘Cunningham’s White’ and Viburnum tinus. Plant Disease. https://doi.org/10.1094/PDIS-09-18-1681-RE.
Sporangia production by Phytophthora ramorum on Rhododendron 'Cunningham's White' at different relative humidities -
Tooley, P.W., Browning, M.E. 2018. Sporangia production by Phytophthora ramorum on Rhododendron 'Cunningham's White' at different relative humidities. Phytopathology. 108:721-729. https://doi.org/10.1094/PHYTO-10-17-0338-R.
The effect of relative humidity on germination of Sporangia of Phytophthora ramorum -
Pyracantha ‘Mohave’ fruit infection by Phytophthora ramorum and transmission of the pathogen from infected fruit to roots of Viburnum tinus Reprint Icon -
Tooley, P.W., Browning, M.E., Shishkoff, N. 2016. Pyracantha ‘Mohave’ fruit infection by Phytophthora ramorum and transmission of the pathogen from infected fruit to roots of Viburnum tinus. Plant Disease. 100:555-560.
Temperature effects on the onset of sporulation by Phytophthora ramorum on rhododendron Cunningham’s White -
Tooley, P.W., Browning, M.E. 2015. Temperature effects on the onset of sporulation by Phytophthora ramorum on rhododendron Cunningham’s White. Journal of Phytopathology. DOI: 10.1111/jph.12390.
Effects of inoculum density and wounding on stem infection of three Eastern U.S. forest species by Phytophthora ramorum -
Tooley, P.W., Browning, M.E., Leighty, R.M. 2014. Effects of inoculum density and wounding on stem infection of three Eastern U.S. forest species by Phytophthora ramorum. Journal of Phytopathology. 162:683-689 (2014) - doi: 10.1111/jph.12251.
The effect of temperature on germination of chlamydospores of Phytophthora ramorum -
Tooley, P.W., Browning, M.E., Leighty, R.M. 2014. The effect of temperature on germination of chlamydospores of Phytophthora ramorum. Mycologia. 106:424-430.
Inoculum density relationships for infection of some Eastern forest species by Phytophthora ramorum Reprint Icon -
Tooley, P.W., Browning, M.E., Leighty, R.M. 2013. Inoculum density relationships for infection of some Eastern forest species by Phytophthora ramorum. Journal of Phytopathology. 161:595-603.
Inoculum density effects on infection of selected Eastern US forest species by Phytophthora ramorum -
Tooley, P.W., Browning, M.E. 2011. Inoculum density effects on infection of selected Eastern US forest species by Phytophthora ramorum. Phytopathology. 101:S274-275.
Infectivity and sporulation of Phytophthora ramorum on northern red oak and chestnut oak -
Tooley, P.W., Browning, M.E., Leighty, R.M. 2011. Infectivity and sporulation of Phytophthora ramorum on northern red oak and chestnut oak. Journal of Phytopathology. 159:516-521.
Factors Affecting Onset of Sporulation in Phytophthora ramorum -
Tooley, P.W., Browning, M.E. 2010. Factors Affecting Onset of Sporulation in Phytophthora ramorum. Sudden Oak Death Science Symposium. 2010: 373-374.
The effect of temperature and moisture period on infection of Rhododendron Cunningham’s White by Phytophthora ramorum -
Tooley, P.W., Browning, M.E., Kyde, K.L., Berner, D.K. 2009. The effect of temperature and moisture period on infection of Rhododendron Cunningham’s White by Phytophthora ramorum. Phytopathology. 99:1045-1052.
Sporulation capacity of Phytophthora ramorum on northern red oak and chestnut oak -
Tooley, P.W., Browning, M.E. 2009. Sporulation capacity of Phytophthora ramorum on northern red oak and chestnut oak. Phytopathology. 99:S05.
Susceptibility of some common Eastern forest understory plant species to Phytophthora ramorum -
Tooley, P.W., Browning, M.E. 2009. Susceptibility of some common Eastern forest understory plant species to Phytophthora ramorum. Plant Disease. 93:249-256.
Survival of Phytophthora ramorum hyphae following exposure to temperature extremes and various humidities -
Browning, M.E., Englander, L., Tooley, P.W., Berner, D.K. 2008. Survival of Phytophthora ramorum hyphae following exposure to temperature extremes and various humidities. Mycologia. 100:236-245.
Recovery of Phytophthora ramorum following exposure to extreme temperatures -
Tooley, P.W., Browning, M.E., Berner, D.K. 2008. Recovery of Phytophthora ramorum following exposure to extreme temperatures. Plant Disease. 92:431-437
Survival of Phytophthora ramorum chlamydospores at high and low temperatures -
Tooley, P.W., Browning, M.E. 2008. Survival of Phytophthora ramorum chlamydospores at high and low temperatures. Page 475 in: Frankel, Susan J; Kliejunas, John T; Palmieri, Katherine M., tech. coords. 2008. Proceedings of the sudden oak death third science symposium. Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 491 p.
RECOVERY OF PHYTOPHTHORA RAMORUM FOLLOWING EXPOSURE TO TEMPERATURE EXTREMES -
Tooley, P.W., Browning, M.E., Englander, L. 2006. Recovery of phytophthora ramorum following exposure to temperature extremes. Phytopathology 96:S115
GROWTH AND SPORULATION OF PHYTOPHTHORA RAMORUM IN VITRO IN RESPONSE TO TEMPERATURE AND LIGHT -
THE EFFECT OF TEMPERATURE ON INFECTION OF RHODODENDRON 'CUNNINGHAM'S WHITE' BY PHYTOPHTHORA RAMORUM -
Tooley, P.W., Browning, M.E., Kyde, K.L. 2005. The effect of temperature on infection of Rhododendron 'Cunningham's white' by Phytophthora ramorum [abstract]. Phytopathology. 95:S104.