D.R. 1992. Tan spot and five years of wheat disease survey. In L.J. Francl, J.M. Krupinsky & M.P. McMullen, eds. Advances in tan spot research, p. 80–85. NDSU Agric. Exp. Sta. Publ. 146 pp. Mehta, Y.R. 1993. Spot blotch. In S.B. Mathur & B.M. Cunfer, eds. Seedborne diseases and seed health testing of wheat, p. 105–112. Copenhagen, Denmark, Jordburgsforlaget. Misra, A.P. 1973. Helminthosporium species occurring on cereals and other gramineae. Dholi, Muzzarfapur Bihar, India, Trihut College of Agriculture. 288 pp. Morrall, R.A.A. & Howard, R.J. 1975. The epidemiology of leaf spot disease in a native prairie II Airborne spore populations of Pyenophora tritici-repentis. Can. J. Bot., 53: 2345–2353. Mujeeb-Kazi, A. 1998. Alien genetic diversity for bread wheats resistant to Helminthosporium sativum (Cochliobolus sativus): current status and future projections. In E. Duveiller, H.J. Dubin, J. Reeves & A. McNab, eds. Proc. Int. Workshop Helminthosporium Diseases of Wheat: Spot Blotch and Tan Spot, CIM-MYT, El Batan, Mexico, 9–14 Feb 1997, p. 223–229. Mexico, DF, CIMMYT. Nagarajan, S. & Kumar, J. 1998. Foliar blights of wheat in India: germplasm improvement and future challenges for sustainable high yielding wheat production. In E. Duveiller, H.J. Dubin, J. Reeves & A. McNab, eds. Proc. Int. Workshop Helminthosporium Diseases of Wheat: Spot Blotch and Tan Spot, CIM-MYT, El Batan, Mexico, 9–14 Feb 1997, p. 52–58. Mexico, DF, CIMMYT. Orolaza, N.P., Lamari, L. & Ballance, G.M. 1995. Evidence of a host-specific chlorosis toxin from Pyrenophora tritici-repentis, the causal agent of tan spot of wheat. Phytopathology, 85: 1282–1287. Osorio, L., García, I., Lopez, F. & Duveiller, E. 1998. Improving the control of tan spot caused by Pyrenophora tritici-repentis in the Mixteca Alta of Oaxaca, Mexico. In E. Duveiller, H.J. Dubin, J. Reeves & A. McNab, eds. Proc. Int. Workshop Helminthosporium Diseases of Wheat: Spot Blotch and Tan Spot, CIMMYT, El Batan, Mexico, 9–14 Feb 1997, p. 142–145. Mexico, DF, CIMMYT. Platt, H.W. & Morrall, R.A.A. 1980a. Effects of light intensity and relative humidity on conidiation of Pyrenophora tritici-repentis. Can. J. Plant Pathol., 2: 53–57. Platt, H.W. & Morrall, R.A.A. 1980b. Effects of windspeed and humidity on conidiation of Pyrenophora tritici-repentis. Can. J. Plant Pathol., 2: 58–64. Raemaekers, R.H. 1991. First occurrence in nature of Cochliobolus sativus, the teleomorph of Bipolaris sorokiniana. In Contribution to the epidemiology of Bipolaris sorokiniana diseases and the development of rainfed wheat, a new crop in Zambia, p. 70–85, Chap. 6, Dissertationes de Agricultura, Fac.