Publicação: Effects of plant densities and management of purple nutsedge on sugarcane yield and effect of growth stages and main way of herbicides contact and absorption on the control of tubers
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Marcel Dekker Inc
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Field experiments carried out with Cyperus rotundus L. at low (58-246), medium (318773), and high (675-1198 shoots/m(2)) densities showed sugarcane yield reductions of 13.5, 29.3, and 45.2%, respectively in relation to the control. In the second field experiment, the integration of a mechanic method with two sequences of plowing and disking operations in the dry season, and complementary applications of trifloxysulfuron-sodium + ametrine and sulfentrazone (rainy season) was studied. Average of the chain connected to original shoot showed 92, 95, and 65% of reduction with trifloxysulfuron-sodium + ametrine and surfactant, at the application stages early, preflowering, and full flowering, respectively.
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interference, integration of methods, chemical control, efficacy, Cyperus rotundus biology
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Inglês
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Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes. New York: Marcel Dekker Inc., v. 40, n. 1, p. 111-117, 2005.
