Jean O’Hara Yost Graduate Student Researcher

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Jean O’Hara Yost

1218 Northwestern Ave. Ames, IA 50010 ● ● 678-793-1057



M.S. in Horticulture Iowa State University

Concentration: Greenhouse Production and Hydroponics

GPA: 3.92

Projected Graduation Date: May 2021


B.S. University of Georgia

Certificate in Organic Agriculture

Program of Study: Horticulture

GPA: 3.48

Graduation Date: December 2017


Graduate Student. Iowa State University. Ames, IA. August 2018-Present

Executed research in controlled environment agriculture. The studies focused on determining the effects of electrical conductivity of nutrient solution and effects of light intensity on growth of specialty leafy greens.


Graduate Research Assistant. Iowa State University. Ames, IA. May 2018-October 2020

Assisting graduate students and professors with on-farm research during the growing season. Additional responsibilities included planting, weeding, harvesting, field preparation, tractor operation, food safety training.


Intern/Assistant Grower. Davis Floral, Dewy Rose, GA. January 2018-April 2018

Responsible for 36,000ft² of herbaceous ornamental crop production under glass. Created schedules for and administered pesticide and PGR applications.


Intern. DuPont-Pioneer, Cairo, GA. May 2017- August, 2017

Research Intern for corn breeding program. Crew leader for controlled pollination and crosses, seed treatment and preparation. Contributed with data collection and analysis.


Lab Assistant. Dr. Cecilia McGregor Lab; University of Georgia. Athens, GA.  August 2016-December 2017.

Assisted in watermelon and pepper breeding program. Controlled pollination and crosses, data collection and analysis, planting and propagation, and general greenhouse maintenance


Research Farm Assistant. Dr. Suzanne O’Connell Lab; UGA. Watkinsville, GA; August 2016 – May 2017

UGA Horticulture Research Farm Assistant for Organic Division. Field preparation, tractor and machinery usage, propagule and seedling development, irrigation installation, and high tunnel maintenance.


Summer Intern. Dr. Phil Brannen Lab; University of Georgia. Athens, GA; May 2016 – August 2016.

Plant pathology extension for southeast fruit and citrus operations, assessed various disease control programs, collaborated with growers, and assisted in diagnosing causes of crop loss.


Lab Assistant. Dr. John Ruter Lab; University of Georgia. Athens, GA; January 2016 – May 2016.

Assisted in ornamental plant breeding program, rooting and propagation of hibiscus, preparation and sanitation for tissue culture, and general laboratory maintenance.


Intern. MVA Scientific Consultants; Duluth, GA; August 2012 – December 2012.

Used ImageJ to size particles and identify hazardous material, utilized SEM, TEM, and Polarized Light Microscopes for asbestos and other organic contaminants.


P.M. Brannen, J.O. Yost, C.H. Bock, and M.W. Hotchkiss. 2017. Effectiveness of agricultural oils alongside fungicides in the late dormant treatment for suppression of peach scab in Georgia, 2016. Plant Disease Management Reports 11:STF003.


A Comparison of 13 Pepper Cultivars under an Organic Farming System, Georgia Organics Conference, Atlanta, Georgia, February 16-17, 2017.


Troubleshooting a Vertical Hydroponic System under Organic Conditions, University of Georgia College of Agricultural and Environmental Sciences Undergraduate Research Symposium, Athens, Georgia, April 12, 2017.


Iowa State University Graduate Student Horticulture Society Member

Garden Club of Georgia Scholarship Recipient Fall 2017

American Floral Endowment 2017 “National Greenhouse Manufacturing Association Scholarship” Recipient

HOPE Scholarship Recipient Fall 2013-2017

UGArden Volunteer Fall 2015 to Fall 2017, University of Georgia, Educational Teaching and Research Farm

UGA Horticulture Club Member Fall 2015 to Fall 2017, University of Georgia, Undergraduate Organization

Pi Alpha Xi Horticulture Honor Society Member, Initiated Spring 2016, University of Georgia, Tau Chapter