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Rimsulfuron for Postemergence Weed Control in Corn in Humid Tropical Environments of Nigeria

Published online by Cambridge University Press:  20 January 2017

David Chikoye*
Affiliation:
International Institute of Tropical Agriculture, Ibadan, Nigeria
Udensi E. Udensi
Affiliation:
International Institute of Tropical Agriculture, Ibadan, Nigeria
A. Fontem Lum
Affiliation:
International Institute of Tropical Agriculture, Ibadan, Nigeria
Friday Ekeleme
Affiliation:
Michael Okpara University, Umudike, Abia State
*
Corresponding author's E-mail: [email protected]

Abstract

Cogongrass and guineagrass are serious perennial weeds in small-scale farms in lowland subhumid zones of West Africa. Field studies were conducted in 2002 and 2003 at two sites in Ibadan, Nigeria [Ijaye and the International Institute of Tropical Agriculture (IITA)], to evaluate the effect of rimsulfuron on weed communities dominated by cogongrass and guineagrass in corn. At both sites, treatments were rimsulfuron dosages of 0 (nontreated control), 10, 20, 30, 40, 50, 60, 70, and 80 g ai/ha. Rimsulfuron did not cause any visible phytotoxicity on the corn at any dosage at either site. There was a rapid increase in weed control as the dosage of rimsulfuron increased from 0 to 20 g/ha. Weed control was not improved at rates higher than 20 g/ha. Rimsulfuron was very effective against sedges, Ipomoea involucrata, Bengal dayflower, gulf leafflower, old-world diamond-flower, and wild jute providing more than 80% control at dosages between 10 and 20 g/ha at Ijaye. Rimsulfuron was less effective for cogongrass, with a maximum of only 38% control observed. At IITA, the herbicide was very effective against guineagrass, Bengal dayflower, nodeweed, coat buttons, redfruit passionflower, and waterleaf; all of which were controlled more than 70% with any rate of rimsulfuron. Regression analysis showed that the dosage of rimsulfuron required to reduce shoot dry biomass by 70% was 5 g/ha for guineagrass and 35 g/ha for cogongrass at 3 wk after treatment (WAT). At crop maturity, the dosage of rimsulfuron required to reduce shoot dry biomass by 70% was 43 g/ha for guineagrass and 200 g/ha for cogongrass. The dry biomass of cogongrass and guineagrass was higher at crop harvest than at 2 WAT regardless of herbicide dosage. Corn grain yield was 1.8 times higher at IITA than at Ijaye. At both sites, corn grain yield increased with increased herbicide dosage. Maximum corn grain yields were obtained at a rimsulfuron dosage of 20 g/ha.

Type
Research
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

Ackley, J. A., Wilson, H. P., and Hines, T. E. 1996. Weed management programs in potato (Solanum tuberosum) with rimsulfuron. Weed Technol. 10:354358.Google Scholar
Aganga, A. A. and Tshwenyane, S. 2004. Potentials of guineagrass (Panicum maximum) as forage crop in livestock production. Pak. J. Nutr. 3:14.Google Scholar
Akobundu, I. O. 1980. Weed research at the International Institute of Tropical Agriculture and research needs in Africa. Weed Sci. 28:439445.Google Scholar
Akobundu, I. O. and Ekeleme, F. 2000. Effect of method of Imperata cylindrica management on maize grain yield in the derived savanna of south-western Nigeria. Weed Res. 40:335341.Google Scholar
Anonymous 1994. Weed Control Recommendations for Nigeria. Ibadan, Nigeria National Advisory Committee on Weed Control Series No. 3. 1721.Google Scholar
Badu–Apraku, B., Fakorede, M. A. B., and Ajala, S. O. 2003. Protecting maize technology transfer in West and Central Africa: a networking approach. Pages 4565. in Badu–Apraku, B., Fakorede, M.A.B., Ouedraogo, M., Carsky, R.J., Menkir, A. eds. Maize Revolution in West and Central Africa: Proceedings of a Regional Maize Workshop. Ibadan, Nigeria Wecaman/IITA.Google Scholar
Blackshaw, R. E., Semach, G., and Entz, T. 1998. Postemergence control of foxtail barley (Hordeum jubatum) seedlings in spring wheat (Triticum aestivum) and flax (Linum usitatissimum). Weed Technol. 12:610616.CrossRefGoogle Scholar
Camacho, R. F., Moshier, L. J., Morishita, D. W., and Devlin, D. L. 1991. Rhizome Johnson grass (Sorghum halepense) control in corn (Zea mays) with primisulfuron and nicosulfuron. Weed Technol. 5:789794.Google Scholar
Chikoye, D., Manyong, V. M., Carsky, R. J., Ekeleme, F., Gbehounou, G., and Ahanchede, A. 2002. Response of speargrass [Imperata cylindrica (L.) Raeuschel] to cover crops integrated with handweeding and chemical control in maize and cassava. Crop Prot. 21:145156.Google Scholar
Chikoye, D., Manyong, V. M., and Ekeleme, F. 2000. Characteristics of speargrass (Imperata cylindrica) dominated fields in West Africa: crops, soil properties, farmer perceptions, and management strategies. Crop Prot. 19:481487.Google Scholar
Eleftherohorinos, I. G. and Kotoula-Syka, E. 1995. Influence of herbicide application rate and timing for post emergence control of Sorghum halepense (L.) Pers. in maize. Weed Res. 35:99103.Google Scholar
Fakorede, M. A. B., Badu-Apraku, B., Kamara, A. Y., Menkir, A., and Ajala, S. O. 2003. Maize revolution in West and Central Africa: an overview. Pages 315. in Badu–Apraku, B., Fakorede, M.A.B., Ouedraogo, M., Carsky, R.J., Menkir, A. eds. Maize Revolution in West and Central Africa: Proceedings of a Regional Maize Workshop. Ibadan, Nigeria Wecaman/IITA.Google Scholar
Holm, L. G., Plucknett, D. L., Pancho, J. B., and Herberger, J. P. 1977. The World's Worst Weeds: Distribution and Biology. Honolulu, HI University of Hawaii Press. 6271.Google Scholar
Lum, A. F., Chikoye, D., and Adesiyan, S. O. 2004. Evaluation of nicosulfuron for control of speargrass (Imperata cylindrica) in Nigeria. Int. J. Pest Manag. 50:327330.CrossRefGoogle Scholar
Lum, A. F., Chikoye, D., and Adesiyan, S. O. 2005. Control of speargrass [Imperata cylindrica (L.) Raeuschel] with nicosulfuron and its effects on the growth, grain yield, and food components of maize. Crop Prot. 24:4147.CrossRefGoogle Scholar
Mitra, S. and Bhowmik, P. C. 1999. Effect of growth stages on quackgrass (Elytrigia repens) control in corn (Zea mays) with rimsulfuron. Weed Technol. 13:3742.Google Scholar
Oerke, E. C. 1994. Estimated crop losses due to pathogens, animal pests, and weeds. in Oerke, E.C., Dehne, H.W., Schönbeck, F., Weber, A., ed. Crop Production and Crop Protection: Estimated Losses in Major Food and Cash Crops. Amsterdam, The Netherlands Elsevier.Google Scholar
Onofri, A. 1996. Biological activity, field persistence and safe recropping intervals for imazethapyr and rimsulfuron on a silty clay soil. Weed Res. 36:7383.Google Scholar
Pingali, P. L. ed 2001. CIMMYT 1999–2000: World Maize Facts and Trends—Meeting World Maize Needs: Technological Opportunities and Priorities for the Public Sector. El Batan, Mexico Centro Internacional de Mejoramiento de Maíz y Trigo.Google Scholar
SAS 1990. SAS/STAT user's guide, Version 6, Volume 2. Cary, NC SAS Institute. 981996.Google Scholar
Udensi, U. E., Akobundu, I. O., Ayeni, A. O., and Chikoye, D. 1999. Management of speargrass (Imperata cylindrica (L.) Raeuschel) with velvetbean (Mucuna pruriens var. utilis) and herbicides. Weed Technol. 13:201208.Google Scholar
Willard, T. R., Shillings, D. G., Gaffney, J. F., and Currey, W. L. 1996. Mechanical and chemical control of cogongrass (Imperata cylindrica). Weed Technol. 10:722726.Google Scholar
Zuofa, K. and Tariah, N. M. 1992. Effects of weed control methods on maize and intercrop yields and net income of smallholder farmers, Nigeria. Trop. Agric. 69:167170.Google Scholar