Abstract
DURING an investigation of factors influencing plant fungal infection, the effects of guttation fluid were tested on conidia of Helminthosporium sorokinianum Sacc. ex Sorok. Guttation fluid was produced by growing seedlings of Hordeum vulgare L., barley variety Atlas 54, on paper towels wetted with tap water in closed containers at 75° F and a light intensity of 90 ft.-candles. Because barley produces large droplets, it was used instead of bentgrass. Fluid was collected daily from the leaf tips and frozen immediately. The samples were thawed, sterilized with a bacteriological filter and kept frozen until used.
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Dickinson, S., in Plant Pathology, edit. by Horsfall, J. G., and Dimond, A. E., 2 (Academic Press, New York, 1960).
Kerr, A., and Flentje, N. T., Nature, 179, 204 (1960).
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ENDO, R., OERTLI, J. Stimulation of Fungal Infection of Bentgrass. Nature 201, 313 (1964). https://doi.org/10.1038/201313a0
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DOI: https://doi.org/10.1038/201313a0
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