INTERFERENCE AND ECONOMIC THRESHOLD LEVEL OF TRANSGENIC VOLUNTEER SOYBEAN PLANTS IN MAIZE CROP

Authors

DOI:

https://doi.org/10.18512/rbms2022v21e1254

Abstract

The interference caused by volunteer plants dispersed after harvest can cause economic losses to growers. This work aims to identify the competitive ability and the economic threshold level of maize hybrids in different densities of volunteer soybean. The experiment was carried out in the field, in a randomized blocks design, with one replication. The treatments were maize hybrids (NK 422 Vip3; NK 488 Vip3; Syn Supremo Vip3; Brevant 2A401 PWU; FS 481 PW; e FS 620 PWU) and 12 densities of volunteer soybean established for each hybrid, going from 0 to maximum of 130 plants m-2. At 30 days after emergence, were assessed the plant density (PD), soil cover (SC), leaf area (LA), and shot dry mass (SDM) of volunteer soybean plants. The maize hybrids NK 488 Vip3, Syn Supremo Vip3, and Brevant 2A401 PWU showed the highest competitive abilities that influenced economic threshold levels that ranged from 1,01 to 3,82 plants m-2. Thus, it concluded that volunteer soybean causes yield losses when infesting maize, and hybrids show different competitive abilities, being the economic threshold level directly influenced by these characteristics.

Author Biographies

LEANDRO GALON, Professor de Herbologia da Universidade Federal da Fronteira Sul, Campus Erechim

Eng. Agr. D.Sc. em Fitotecnia e atual Professor de Herbologia da Universidade Federal da Fronteira Sul, Campus Erechim.

DANIEL CRISTIAN CAVALETTI, Acadêmico de Agronomia da UFFS, Campus Erechim.

Acadêmico de Agronomia da UFFS, Campus Erechim

JOÃO PAULO GIACOMINI, Aluno de mestrado do PPGCTA da UFFS, campus Erechim

Aluno de mestrado do PPGCTA da UFFS, campus Erechim

ALEXANDRE FERREIRA DA SILVA, Pesquisador na área de plantas daninhas da Embrapa Milho e Sorgo.

Dr. em Fitotecnia e atual Pesquisador na área de plantas daninhas da Embrapa Milho e Sorgo.

MAICO ANDRÉ MICHELON BAGNARA, Aluno de mestrado do PPGCTA da UFFS, Campus Erechim.

Aluno de mestrado do PPGCTA da UFFS, Campus Erechim.

JOSIEL RICARDO TONI, Aluno de Agronomia da UFFS, Campus Erechim.

Aluno de Agronomia da UFFS, Campus Erechim.

DAIANI BRANDLER, Doutoranda em Agronomia da UTFPR, Campus Pato Branco.

Eng. Agr., Mestre e atual Doutoranda em Agronomia da UTFPR, Campus Pato Granco.

GISMAEL FRANCISCO PERIN, Professor da UFFS, Campus Erechim.

Eng. Agr. Doutor em Engenharia Agrícola e atual professor da UFFS, Campus Erechim.

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Published

2022-07-01

How to Cite

GALON, L., CAVALETTI, D. C., GIACOMINI, J. P., SILVA, A. F. D., BAGNARA, M. A. M., TONI, J. R., BRANDLER, D., & PERIN, G. F. (2022). INTERFERENCE AND ECONOMIC THRESHOLD LEVEL OF TRANSGENIC VOLUNTEER SOYBEAN PLANTS IN MAIZE CROP. REVISTA BRASILEIRA DE MILHO E SORGO, 21. https://doi.org/10.18512/rbms2022v21e1254

Issue

Vol. 21 (2022)

Section

Scientific Paper

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