Eficácia do carfentrazone-ethyl no controle de plantas aquáticas latifoliadas em caixas-d'água
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Data
2005-06-01
Autores
Carvalho, Fernando Tadeu de [UNESP]
Velini, Edivaldo Domingues [UNESP]
Negrisoli, E. [UNESP]
Rossi, C.V.S. [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Sociedade Brasileira da Ciência das Plantas Daninhas
Resumo
Atualmente, alguns herbicidas estão sendo desenvolvidos para o controle de plantas daninhas aquáticas. O objetivo deste trabalho foi avaliar a eficácia do carfentrazone-ethyl em ambiente aquático para o controle pós-emergente de aguapé, alface-d'água e salvínia. O trabalho foi desenvolvido em caixas-d'água, no período de julho a setembro de 2004, no NUPAM - FCA/UNESP, em Botucatu. O delineamento experimental adotado foi o de blocos ao acaso, com sete tratamentos e quatro repetições, sendo as unidades experimentais constituídas pelas caixasd'água. Os tratamentos foram os seguintes: testemunha sem herbicida; Aurora 400 CE (75, 150 e 300 mL ha-1); Roundup (3,0 L ha-1), Aurora 400 CE + Roundup (75 mL + 3,0 L ha-1) e Aurora 400 CE + Arsenal N.A. (75 mL + 2,0 L ha-1). Observou-se que o tratamento Aurora 400 CE (300 mL ha-1) é altamente eficaz no controle de alface-d'água (Pistia stratiotes); o tratamento Roundup (3,0 L ha-1) é altamente eficaz no controle de aguapé (Eichhornia crassipes); o tratamento Aurora 400 CE + Roundup (75 mL + 3,0 L ha-1) é eficaz no controle de aguapé (E. crassipes), alface-d'água (P. stratiotes) e salvínia (Salvinia auriculata); e o tratamento Aurora 400 CE + Arsenal (75 mL + 2,0 L ha-1) é eficaz no controle de aguapé (E. crassipes) e alface-d'água (P. stratiotes). A mistura Aurora 400 CE + Roundup (75 mL + 3,0 L ha-1) apresentou-se viável e foi o único tratamento eficaz no controle das três espécies estudadas.
Some herbicides are being currently developed for the control of aquatic weeds.The objective of this work was to evaluate the efficiency of Aurora 400 CE in aquatic environment for the post-emergence control of Eichhornia crassipes, Pistia stratiotes and Salvinia auriculata. The experiment was developed in boxes of water, from 22/07 to 20/09/2004, at NUPAM-FCA/UNESP, Botucatu, SP, Brazil. The experimental design was in randomized blocks with seven treatments and four repetitions, with the units consisting of boxes of water. The following treatments were used: control without herbicide; Aurora 400 CE (75, 150 and 300 mL ha-1); Roundup (3,0 L ha-1); Aurora 400 CE + Roundup (75 mL + 3,0 L ha-1) and Aurora 400 CE + Arsenal N.A. (75 mL + 2.0 L ha-1). It was observed that the treatment with Aurora 400 CE (300 mL ha-1) is highly efficient in the control of Pistia stratiotes; Roundup (3,0 L ha-1) is highly efficient in the control of Eichhornia crassipes; Aurora 400 CE + Roundup (75 mL + 3.0 L ha-1) is efficient in the control of E. crassipes, P. stratiotes and Salvinia auriculata and Aurora 400 CE + Arsenal (75 mL + 2.0 L ha-1) are efficient in the control of E. crassipes and P. stratiotes. The mixture Aurora 400 CE + Roundup (75 mL + 3.0 L ha-1) was viable and the only efficient treatment in the control of the three studied species.
Some herbicides are being currently developed for the control of aquatic weeds.The objective of this work was to evaluate the efficiency of Aurora 400 CE in aquatic environment for the post-emergence control of Eichhornia crassipes, Pistia stratiotes and Salvinia auriculata. The experiment was developed in boxes of water, from 22/07 to 20/09/2004, at NUPAM-FCA/UNESP, Botucatu, SP, Brazil. The experimental design was in randomized blocks with seven treatments and four repetitions, with the units consisting of boxes of water. The following treatments were used: control without herbicide; Aurora 400 CE (75, 150 and 300 mL ha-1); Roundup (3,0 L ha-1); Aurora 400 CE + Roundup (75 mL + 3,0 L ha-1) and Aurora 400 CE + Arsenal N.A. (75 mL + 2.0 L ha-1). It was observed that the treatment with Aurora 400 CE (300 mL ha-1) is highly efficient in the control of Pistia stratiotes; Roundup (3,0 L ha-1) is highly efficient in the control of Eichhornia crassipes; Aurora 400 CE + Roundup (75 mL + 3.0 L ha-1) is efficient in the control of E. crassipes, P. stratiotes and Salvinia auriculata and Aurora 400 CE + Arsenal (75 mL + 2.0 L ha-1) are efficient in the control of E. crassipes and P. stratiotes. The mixture Aurora 400 CE + Roundup (75 mL + 3.0 L ha-1) was viable and the only efficient treatment in the control of the three studied species.
Descrição
Palavras-chave
planta daninha, herbicida, Salvinia auriculata, Eichhornia crassipes, Pistia stratiotes, weed, herbicide, Salvinia auriculata, Eichhornia crassipes, Pistia stratiotes
Como citar
Planta Daninha. Sociedade Brasileira da Ciência das Plantas Daninhas , v. 23, n. 2, p. 305-310, 2005.