1. A. M. Baltazar, and R. J. Smith .1994 .Propanil-resistant barnyardgrass (Echinochloa crus-galli) control in rice (Oryza sativa)., Weed Technol, 8 :576 –581 .
2. C. W. Dunshee, 1923 .Results of Rice Experiments in 1922., Univ. Calif. Agric. Exp. Stn. Bull, 354 :401 –405 .
3. A. J. Fischer, E. Granados, and D. Trujillo .1993 .Propanil tolerance in populations of junglerice., Weed Sci, 41 :201 –206 .
4. Suppression of Junglerice [Echinochloa colona (L.) Link] by Irrigated Rice Cultivars in Latin America
5. A. J. Fischer, J. E. Hill, J. F. Williams, J. Anstey, K. M. Jahnes, and C. Ateh .1999 .Herbicide-resistant watergrass (Echinochloa phyllopogon(Stapf) Koss) in rice in California., WSSA Abstracts, 39 :319 .