Abstract
Helminthosporium oryzæ Breda de Haan, the causal organism of sesame leaf spot of paddy, has not yet been found to attack any other Graminaceous or other host plants in Nature with the single exception of Oryza montana from Togo reported by Roger1. Ocfemia2 and Nisikado and Miyake3 were able to obtain infection on a number of grasses under artificial conditions; similarly, Shaw4 noted infection under artificial conditions of inoculation on maize, sorghum, oats and barley; Tochinai and Sakamoto5 on maize, wheat, rye and barley; and Thomas6 on Elusine coracana, Pennisetum typhoides, Setaria italica, oats, maize, wheat and sugar-cane.
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References
Roger, L., Agron. Colon., 24, 215, 139 (1935).
Ocfemia, G. O., Abs. in Phytopath., 13, 53 (1923).
Nisikado, Y., and Miyake, C., Ber. Ōhara. Inst. Landw. Forsch., 2, 193 (1922).
Shaw, F. J. F., Report of the Imperial Mycologist, Sci. Rep. Agric. Res. Inst., Pusa, 1920–21, 34 (1921).
Tochinai, Y., and Sakamoto, M., J. Fac. Agric., Hokkaido Univ., 12, 1 (1937).
Thomas, K. M., Detailed Administration Report of the Government Mycologist, Madras, for the year 1939–40, 18 (1940).
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CHATTOPADHYAY, S., CHAKRABORTI, N. Occurrence in Nature of an Alternative Host (Leersia hexandra Sw.) of Helminthosporium oryzæ Breda de Haan. Nature 172, 550 (1953). https://doi.org/10.1038/172550a0
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DOI: https://doi.org/10.1038/172550a0
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