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19. Contributors

Author

Bai, Feng-Yan, primary, Bandoni, Robert J., additional, Batra, Roma, additional, Blackwell, Meredith, additional, Boekhout, Teun, additional, Boundy-Mills, Kyria, additional, Brul, Stanley, additional, Cadez, Neza, additional, Chen, Chee-Jen, additional, Cooper, Chester R., additional, Cushion, Melanie T., additional, de Groot, Piet W.J., additional, de Hoog, G. Sybren, additional, Echavarri-Erasun, Carlos, additional, Fell, Jack W., additional, Fleet, Graham H., additional, Fonseca, Álvaro, additional, Göker, Markus, additional, Golubev, Wladyslav I., additional, Guého-Kellermann, Eveline, additional, Hamamoto, Makiko, additional, Hannafusa, Yasuko, additional, Inácio, João, additional, James, Stephen, additional, Janisiewicz, Wojciech J., additional, Johnson, Eric A., additional, Keely, Scott P., additional, Kerrigan, Julia, additional, Kirschner, Roland, additional, Klis, Frans M., additional, Kock, Johan L.F., additional, Kurtzman, Cletus P., additional, Kwon-Chung, Kyung J., additional, Lachance, Marc-André, additional, Lopandic, Ksenija, additional, Malloch, David, additional, Margesin, Rosa, additional, Martini, Alessandro, additional, Miller, Martin W., additional, Müller, Wally H., additional, Nakase, Takashi, additional, Nguyen, Nhu H., additional, Nishida, Hiromi, additional, Oberwinkler, Franz, additional, Payne, Roger W., additional, Péter, Gabor, additional, Phaff, Herman J., additional, Phalen, David N., additional, Piškur, Jure, additional, Pore, R. Scott, additional, Prasad, Gandham S., additional, Prillinger, Hansjörg, additional, Robert, Vincent, additional, Rodrigues, Miguel G., additional, Rosa, Carlos A., additional, Rozpędowska, E., additional, Sampaio, José Paulo, additional, Schisler, David A., additional, Scorzetti, Gloria, additional, Smith, Maudy Th., additional, Starmer, William T., additional, Statzell-Tallman, Adele, additional, Stratford, Malcolm, additional, Sugita, Takashi, additional, Sugiyama, Junta, additional, Suh, Sung-Oui, additional, Suzuki, Motofumi, additional, Takashima, Masako, additional, Tomazewski, Elizabeth K., additional, van der Klei, Ida, additional, Vaughan-Martini, Ann, additional, van Driel, Kenneth G.A., additional, Veenhuis, Marten, additional, Weiss, Michael, additional, Wolfe, Ken, additional, and Wuczkowski, Michael, additional

Published
2011
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23. Pyrrolnitrin production by biological control agent Pseudomonas cepacia B37w in culture and in colonized wounds of potatoes

Author

Burkhead, Karen D., Schisler, David A., and Slininger, Patricia J.

Subjects
Pseudomonas -- Physiological aspects, Antifungal agents -- Analysis, Biological sciences
Abstract

Pseudomonas cepacia B37w strain produces pyrrolnitrin during the colonization of potato wounds and exhibits antifungal activities against the dry rot Fusarium sambucinum fungus in potato. B37w strains efficiently inhibit the fungal activity of all F. sambucinum strains and block the development of the dry rot disease.

Published
1994

24. The composition and attributes of Colletotrichum truncatum spores are altered by nutritional requirements

Author

Jackson, Mark A. and Schisler, David A.

Subjects
Fungi -- Growth, Biological sciences
Abstract

The influence of the nutritional condition on conidiation and conidial attributes of the fungus Colletotrichum truncatum NRRL 13737, causing disease in the weed Sesbania exaltata, was reported. The carbon-to-nitrogen (CN) ratio of the medium influenced the substrate utilization, culture growth, spore yield, spore composition, biomass accumulation and cellular composition. Optimization experiments suggested that media with a CN ratio of 15:1 to 20:1 might be optimal for spore production.

Published
1992

28. Evaluation of Biological Control Agents and Conventional Products for Post-Harvest Application on Potato (Solanum tuberosumL.) to Manage Leak

Author

Hollingshead, Andrew K, Olsen, Nora L., Thornton, Mike, Miller, Jeff, Schisler, David A., and Slininger, Patricia J.

Abstract

Biological control agents applied post-harvest may provide an effective way to manage leak of potatoes by competing with Pythium ultimum. The objective of this paper was to test the efficacy of various biological control agents and conventional post-harvest fungicides to manage leak. Two studies were performed with a Pseudomonas fluorescenstriculture including desiccation tolerant variants of strains S11P12, P22Y05, and S22T04 in three formulations (a “fresh” triculture, dried on Kenite 700, or dried on Attapulgite clay) applied at a rate of 3.5 mL kg−1. A third study contained treatments of the P. fluorescens“fresh” triculture, triculture dried on Kenite, triculture dried on Kenite blended with a fungicide containing a three-way mixture of azoxystrobin, fludioxonil, and difenoconazole (Azo+Flu+Dfz, 0.033 mL kg−1), and triculture dried on Kenite rehydrated with nutrient broth Medium 1 blended with the same fungicide. Other treatments included Pseudomonas syringae(3.5 mL kg−1) in Studies 1 and 2, while hydrogen peroxide and peroxyacetic acid (0.042 mL kg−1), phosphorous acid (4.2 mL kg−1), and Azo+Flu+Dfz (0.033 mL kg−1) were used in all three studies. The three studies were each repeated twice using unwashed tubers (cv. ‘Russet Burbank’) that were wounded and inoculated with P. ultimum. After inoculation, tubers were treated, then stored at 21 C for four days prior to disease evaluation. In Study 1, none of the formulations of P. fluorescenstriculture significantly controlled leak compared to the inoculated control; however, the “fresh” triculture formulation significantly decreased leak incidence by 24% in Study 2. In all three studies the three-way fungicide mixture Azo+Flu+Dfz resulted in lower leak incidence (1, 7, and 24%, in studies 1, 2, and 3 respectively) compared with the inoculated control (12, 37, and 50% leak incidence, in studies 1, 2, and 3 respectively). Study 3 showed the formulations of P. fluorescensstrains were not effective in leak control but when combined with Azo+Flu+Dfz leak incidence significantly decreased compared to the inoculated control. The lowest leak incidence was seen when the triculture component of the fungicide mix was rehydrated with Medium 1 in Study 3. The P. fluorescenstriculture formulations mixed with Azo+Flu+Dfz and rehydrated with Medium 1 had slightly higher bacterial counts than the “fresh” triculture and the triculture dried on Kenite, potentially indicating a greater activity level afforded by cell revival in dilute culture medium. P. syringae, phosphorous acid and hydrogen peroxide-peroxyacetic acid were ineffective in controlling leak in all three studies. The efficacy of the Azo+Flu+Dfz mixture appears promising for the management of leak in storage. The efficacy of P. fluorescenstricultures used alone was inconsistent in limiting leak incidence (only significant in 1 of 3 studies), and additional research and development may be warranted to realize its potential as biological control agent.

Published
2020
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40. Beneficial bacteria protect potatoes

Author

Slininger, Patricia J. Watson and Schisler, David A.

Subjects
Potatoes -- Diseases and pests -- Research, Vegetable industry -- Diseases and pests -- Research, Phytophthora diseases -- Control -- Research, Agricultural industry, Biotechnology industry, Business
Abstract

Spraying potatoes in commercial storage bins with harmless, beneficial bacteria that delay sprouting and suppress dry rot may also protect the tubers against late blight disease. Researchers had already patented [...]

Published
2005

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