WEED MANAGEMENT IN CORN INTERCROPPED WITH Urochloa ruziziensis
DOI:
https://doi.org/10.32404/rean.v12i1.8701Keywords:
Zea mays, Crop-pasture integration, Herbicides in intercroppingAbstract
Weed populations in monocrop or succession planting systems increase under inadequate management conditions. However, intercropping Urochloa ruziziensis with corn and precise adjustments in herbicide doses can facilitate management. This study sought options for chemical weed control in corn intercropped with U. ruziziensis. Two experiments were conducted in the 2022 winter harvest, in the municipalities of Cafezal do Sul and Brasilândia do Sul, State of Paraná. The experimental design was randomized blocks with 10 treatments and 4 replications. The treatments were: Control, atrazine (2.0 L c.p. ha-1), atrazine+nicosulfuron (2.0 L + 0.4 L c.p. ha-1), atrazine+mesotrione in three dose combinations (1.0 L + 0.5 L; 1.5 L+ 0.75L and 2.0 L + 0.5 L, b.w. ha-1, respectively), terbuthylazine in three doses (1.5 L, 2.0 L and 2.5 L c.p. ha-1), and terbuthulazine+mesotrione (1.5 L+ 0.2 L c.p. ha-1). The application occurred at the six-leaf stage of corn (V6). The variables evaluated were the percentage of control at 7, 14, 21, 28, 35, and 42 days after application, based on a visual scale of injury and dry biomass of weeds and U. ruziziensis. The treatments with terbuthylazine+mesotrione (750+96 c.p. ha-1) and atrazine+mesotrione (1,000+50 g c.p. ha-1) were the most efficient in controlling weeds in all evaluation periods, with a control above 80%. Treatments atrazine+mesotrione, terbuthylazine (3 doses), and terbuthylazine+mesotrione resulted in lower weed dry mass. Values of dry mass of U. ruziziensis subjected to atrazine (1,000 c.p. ha-1) and terbuthylazine+mesotrione (750+96 c.p. ha-1) applications were higher even compared to the non-application of herbicides.
References
(I) Adegas, F.S., Voll, E.; Gazziero, D.L.P. 2011. Manejo de plantas daninhas em milho safrinha em cultivo solteiro ou consorciado à Braquiária ruziziensis. Pesquisa Agropecuária Brasileira, 46(10), 1226-1233.
(II) Almeida, D.P., Furtini Neto, A.E., Lima, D.T., Fernandes, R.H., Bilego, U.O., Silva, H.F., Oliveira, G.S., Sousa, G.D., 2019. Consórcio de milho com Urochloa ruziziensis (Sin. Brachiaria ruziziensis): Controle químico de plantas-daninhas de folha estreita e seletividade dos herbicidas. Anuário de Pesquisas de Agricultura, 2 (1) 140-148. DOI: http://doi.org/10.7824/wcj.2023.22.00826.
(III) Araújo, L.S., Branquinho, J.A.S., Silveira, P.M., Silva, L.G.B., 2018. Produtividade de milho solteiro e consorciado com Urochloa brizantha em dois espaçamentos de plantio no sudeste de Agrarian, 11 (2) 307-318. DOI: https://doi.org/10.30612/agrarian.v11i42.4335.
(IV) Artuzo, F.D., Machado, J.A.D., Oliveira, L., Souza, A.R.L., 2019. O potencial produtivo brasileiro: uma análise histórica da produção de milho. Revista Agronegócio e Meio Ambiente, 12 (2) 517-540.
(V) Barros, J., Calado, J., 2020. Rotation of herbicides in wheat to prevent weed resistance under Mediterranean conditions. Revista de Ciências Agrárias, 23 (1), 3-13. DOI: https://doi.org/10.19084/rca.19169.
(VI) Bottcher, A.A., Albrecht, A.J.P., Albrecht, L.P., Silva, A.F.M., De Freitas, J., Souza, T. 2022. Herbicida terbutilazina: uma alternativa à atrazina para o controle de plantas daninhas em milho tolerante ao glifosato. Revista de Ciência Ambiental e Saúde, Parte B, 57(8), 609-616.
(VII) Cabral, R.S., Machado, F.G., Dourado R., Pereira, L.S, Braz, G.B.P., Pereira, B.C.S., Souza, M.F. 2023. Selectivity of herbicide associations applied in post-emergence of maize grown in second season. Weed Control Journal, 22 e202300826.
(VIII) Caracciolo, A.B., Giuliano, G., Grenni, P., Cremisini, C.; Ciccoli, R., Ubaldi, C. 2005. Efeito da ureia na degradação da terbutilazina no solo. Toxicologia e Química Ambiental, 24 (5), 30-35.
(IX) Ceccon, G., Matoso, A.O., Neto, A.L., Palombo, L. 2010. Uso de herbicidas no consórcio de milho safrinha com Brachiaria ruziziensis. Planta Daninha, 28(2), 359-364. DOI: https://doi.org/10.1590/S0100-83582010000200015.
(X) Chahal, P.S., Jugulam, M., Jhala, A.J. 2019. Basis of Atrazine and Mesotrione Synergism for Controlling Atrazine- and HPPD Inhibitor-Resistant Palmer Amaranth. Agronomy Journal, 111 (6), 3265-3273. DOI: https://doi.org/10.2134/agronj2019.01.0037.
(XI) Concenço, G., Ceccon, G., Correia, I.V.T., Leite, L.F., Alves, V.B. 2013. Ocorrência de espécies daninhas em função de sucessões de cultivo. Planta Daninha, 31(2), 359-368. DOI: https://doi.org/10.1590/S0100-83582013000200013.
(XII) Correia, N.M., Lenza, R.A.B., 2024. Intercropping systems of corn and forage grasses with application of low mesotrione herbicide rates. Caatinga, 37, e12520. DOI: http://dx.doi.org/10.1590/1983-21252024v3712520rc.
(XIII) Currie, R.S., Geier, P.W. 2020. Comparison of Terbuthylazine and Atrazine Preemergence in Grain Sorghum. Kansas Agricultural Experiment Station Research Reports, 6(8), 16-26. DOI: https://doi.org/10.4148/2378-5977.7966.
(XIV) Dan, H.A., Barroso, A.L.L., Dan, L.G.M., Procópio, S. O., Oliveira Jr, R. S., Constantin, J., E Feldkircher, C. 2011. Supressão imposta pelo mesotrione a Brachiaria brizantha em sistema de integração lavoura-pecuária. Planta Daninha, 29(1), 861-867. DOI: https://doi.org/10.1590/S0100-83582011000400016.
(XV) Ferreira, E.A., Paiva, M.C.G., Pereira, G.A.M., Oliveira, M.C., De Barros, E. 2019. Fitossociologia de plantas daninhas na cultura do milho submetida à aplicação de doses de nitrogênio. Revista de Agricultura Neotropical, 6(2), 109-116. DOI: https://doi.org/10.32404/rean.v6i2.2710.
(XVI) Ferreira, D.F., 2019. SISVAR: A computer analysis system to fixed effects split plot type designs. Revista brasileira de biometria, 37(4) 529-535, dec. ISSN 1983-0823.
(XVII) Lovakovic, B.T., Pizent, A., Kasuba, V., Kopjar, N., Micek, V., Mendas, G., Zeljezic, D., 2017. Effects of sub-chronic exposure to terbuthylazine on DNA damage, oxidative stress and parente compound/metabolite levels in adult male rats. Food and Chemical Toxicology, 108 (2) 93-103. DOI: https://doi.org/10.1016/j.fct.2017.07.046.
(XVIII) Martins, D., Gonçalves, C.G., Silva Júnior, A.C., 2019. Coberturas mortas de inverno e controle químico sobre plantas daninhas na cultura do milho. Revista Ciência Agronômica, 47 (4), 649-657. DOI: http://doi.org/10.5935/1806-6690.20160078.
(XIX) Mechi, I.A., Dos Santos, A.L.F., Ribeiro, L.M. Ceccon, G., 2018. Infestação de plantas daninhas de difícil controle em função de anos de consórcio milho-braquiária. Revista de Agricultura Neotropical, 5 (3), 49-54.
(XX) Mendes, K.F., Collegari, S.A., Pimpinato, R.F., Tornisielo, V.L. 2017. Glucose mineralization in soils of contrasting textures under application of S-metolachlor, terbuthylazine, and mesotrione, alone and in a mixture. Bragancia, 77(1), 152-159. DOI: https://doi.org/10.1590/1678-4499.2016420.
(XXI) Mendes, K.F., Silva, A.A. 2023, Plantas daninhas: herbicidas. Oficina de Textos, 2023, ISBN: 6586235871, 9786586235876, 200p.
(XXII) Oliveira, M.K., Costa, C., Pariz, C.M., Meirelles, P.R.L., Andreotti, M., Castilhos, A.M., Souza, D.M., Ulian, N.A. 2021. Yield and nutritive value of mechanically processed corn silage from an integrated crop-livestock system. Semina, 42 (2) e845860. DOI: http://.doi.org/10.5433/1679-0359.2021v42n2p845.
(XXIII) Salomão, P.E.A., Ferro, A.M.S., Ruas, W.F., 2020. Herbicides in Brazil: a brief review. Research, Society and Development, 9, (2), e32921990. DOI: http://dx.doi.org/10.33448/rsd-v9i2.1990.
(XXIV) Santos H.G., Jacomine P.K.T., Anjos L.H.C., Oliveira, V.A., Lumbreras J.F., Coelho M.R., Almeida J.A., Araujo Filho, J.C., Oliveira, J.B., Cunha, T.J.F. 2018. Sistema Brasileiro de Classificação de Solos. Brasília, Embrapa. 356p.
(XXV) Seibert, C.M., Borsoi, A., 2020. Milho segunda safra consorciado com diferentes densidades de semeadura de Brachiaria ruziziensis. Revista Cultivando o Saber, 13 (3), 94-177.
(XXVI) Silva, L.M., Reis, E.M.B., Santos, B.R.C., Pinedo, L.A., Montagner, A.E.A.D., Arévalo, B.R.S., Pessoa, A.M.N., Maia, G.F.N. 2022. Chemical weed control wichdiferent dosages of fluroxypyr + picloram based herbicide. Research, Society and Development, 11 (12), e358111234598. DOI: http://dx.doi.org/10.33448/rsd-v11i12.34598.
(XXVII) Sordi, A., Bernardi, G., Marodin, L.G., Dai, P.M. 2020. Crescimento do milho submetido a aplicações de nitrogênio. Anuário pesquisa e extensão unoesc, 5 e25128. https://periodicos.unoesc.edu.br/apeusmo/article/view/25128.
(XXVIII) Gazziero, D.L.O. 1995. Procedimentos para instalação, avaliação e análise de experimentos com herbicidas. Sociedade Brasileira da Ciência Das Plantas Daninhas-SBCPD. Londrina. 42 p.
(XXIX) Tsukamoto, M., Kikugawa, H., Nagayama, S., Suganuma, T., Okita, T., Miamoto, H., 2021. Discovery and structure optimization of a novel corn herbicide, tolpyralate. Journal of Pesticide Science, 46 (2) 152-159. DOI: http://doi.org/10.1584/jpestics.D20-031.
Downloads
Published
How to Cite
Issue
Section
License

This work is licensed under a Creative Commons Attribution 4.0 International License.
The authors retain the rights to the manuscripts and, therefore, are free to share, copy, distribute, perform and publicly communicate the work under the following conditions:
Acknowledge work credits in the manner specified by the author or licensor (but not in a way that suggests that you have their support or that they support their use of their work).
REVISTA DE AGRICULTURA NEOTROPICAL (ISSN 2358-6303) is under license https://creativecommons.org/licenses/by/4.0/
The State University of Mato Grosso do Sul, Sustainable Development Center of Bolsão Sul-Mato-grossense (CEDESU), of the University Unit of Cassilândia (UUC), preserves the patrimonial rights (copyright) of the published works and favors and allows their reuse under the license as mentioned above.
------------
The journal reserves the right to make normative, orthographic, and grammatical alterations in the originals, to maintain the cult standard of the language, respecting, however, the style of the authors.
Final proofs will be sent to the authors.
Published works become the property of the journal. The opinions expressed by the authors of the manuscripts are their sole responsibility.