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Gail E. Ruhl

Botany and Plant Pathology 

  • Senior Plant Disease Diagnostician

Awards & Honors

(2005) Soybean Rust Team Award. PUCESA.

(2004) Educational Materials Awards Program: Certificate of Excellence. American Society of Agronomy.

(2003) Ralstonia Solanacearum Team Special Award. PUCESA.

Selected Publications

Ruhl, G. E., Wise, K., Creswell, T., Leonberger, A., & Speers, C. (2009). First Report of Goss's Bacterial Wilt and Leaf Blight on Corn Caused by Clavibacter michiganensis subsp. nebraskensis in Indiana. Plant Disease, 93(8), 841. Retrieved from DOI: 10.1094/PDIS-93-8-0841B

Whitford, F., Ruhl, G. E., Martin, K., Lienhart-Cross, M., Nielsen, R. L., Bossaer, G., & Blessing, A. (2009). The Making of Effective Extension Publications, 93. Retrieved from

Ruhl, G. E., Whitford, F., Weller, S., & Dana, M. (2008). Diagnosing Herbicide Injury on Garden and Landscape Plants, 4. Retrieved from

Beckerman, J. L., & Ruhl, G. E. (2007). Phytophthora citricola causes a canker on Walnut. Plant Health Progress.

Ruhl, G. E. (2005). Preparing for Asian Soybean Rust.

Ruhl, G. E. (2004). Crime Scene Investigation (CSI) with Powdery Mildew Fungi.. The Plant Health Instructor, 1. Retrieved from DOI: 10.1094/PHI-k-2004-0330-02

Ruhl, G. E. (2003). Fusicladium levieri, a Fungal Parasite of Persimmon, Found in Indiana. Proceedings of the Indiana Academy of Science, 132-134.

Ruhl, G. E., & Whitford, G. R. (2002). Educating your customer clientele:A holistic approach to pest management. In The Complete Book on Pesticide Management: Science, Regulation, Stewardship and Communication (p. 787). New York: Wiley and Sons.

Ruhl, G. E. (2002). Resources for Identifying Orchid Ailments. In A Guide to Orchid Pests and Diseases (pp. 111-118). Florida: American Orchid Society.

Holmes, G. J., Brown, E., & Ruhl, G. E. (2000). What's a Picture Worth? The Use of Modern Telecommunications in Diagnosing Plant Diseases. Plant Disease, 84(12), 1256-1265. Retrieved from DOI: 10.1094/PDIS.2000.84.12.1256