Cornell University

"Quantitative PCR for Elucidating Biology, Host Interactions and Management of Erwinia amylovora and Identification of Colletotrichum spp. Causing Apple Bitter Rot in New York"- Srdan Acimovic

Wednesday, February 5, 2020 at 12:20pm

Plant Science Building, 404

Srdan Acimovic
HVRL, Cornell University

The purpose of my program is improving knowledge on plant pathogen biology, ecology, and population dynamics that could facilitate development of new disease management options and strategies on apple and pear. The goal is to elucidate quantitative parameters of pathogen survival and stress, improve understanding of plant defense responses under field conditions, and develop new or improve existing strategies for disease management. An integral part of my program are fungicide and bactericide efficacy trials and intensive extension outreach to deliver new disease management information to directly benefit the apple industry of New York. Areas of my research focus are:

Plant Pathogen Biology, Ecology, and Population Dynamics:
• Survival, physiology, and population dynamics of fire blight bacterium Erwinia amylovora under stress conditions and during overwintering
• Plant defense responses
• Plant pathogen identification and population structure
• Plant pathogen resistance to biocides

Plant Pathogen Management:
• Fungicide and bactericide efficacy trials in the field and in vitro
• Evaluation of classic and novel management options for apple pathogens
• Development of new strategies, tools, and programs for plant disease management

My ongoing projects focus on improving efficacy of post-infection sprays for suppression, tissue-progression, and reduction of populations of fire blight bacterium E. amylovora. Of particular interest are sprays of different rates of copper and plant growth regulators, as well as use of penetrants to boost their efficacy. In cooperation with apple growers we conduct research on comparing population dynamics of E. amylovora during dormancy in commercial and research apple orchard plots. Additionally, we are investigating detection and quantification of E. amylovora in tolerant and susceptible apple rootstocks.

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Catalina L. Enright

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Srdan Acimovic

Speaker Affiliation

HVRL, Cornell University

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