Associação de herbicidas para o controle de plantas daninhas em feijão do tipo preto

Revista Brasileira de Herbicidas

Luciane Renata Agazzi¹  Felipe José Menin Basso¹  Fabio Luís Winter¹  Cinthia Maethê Holz¹  César Tiago Forte²  Gismael Francisco Perin³  Leandro Galon⁴ 

[1] Aluno de Agronomia da UFFS;Aluno de mestrado do PPGCTA da UFFS;Professor da UFFS;Universidade Federal da Fronteira Sul (UFFS-RS)

关键词: Digitaria ciliaris;    Phaseolus vulgaris;    Urochloa plantaginea;   

DOI  :  10.7824/rbh.v16i4.559

学科分类：农业科学（综合）

来源: Sociedade Brasileira da Ciencia das Plantas Daninhas (S B C P D) / Brazilian Society of Herb Science

【 摘 要 】

Black bean is one of the main grains grown in Brazil, with economic, social and cultural importance. Grain productivity losses due to competition with weeds, in particular Digitaria ciliaris (summergrass) and Urochloa plantaginea (signalgrass) can reach levels of up to 80% if neither Control is adopted. The objective of this study was to evaluate the efficacy and selectivity of herbicides applied in pre and post emergence of black beans. The experimental design was a randomized block design, with four replications. The herbicides used were fomesafen (250 g ha-1 a.i), s-metolachlor (1200 g ha-1), oxyfluorfen (480 g ha-1 of a.i), clomazone (1000 g ha-1 of a.i), pendimentalin (250 g ha-1 of a.i), imazamox (42 g ha-1 of a.i), bentazon (720 g ha-1 of a.i), bentazon + imazamox (600 + 28 g ha-1 of a.i), flumioxazin (25 g ha-1 of a.i), fluazifop-p-buthyl + fomesafen (250 +250 g ha-1 of a.i), followed by two additional controls, one weed and one infested. O oxyfluorfen presented the highest levels of phytotoxicity to BRS Campeiro bean, which resulted in a negative effect on components of grain yield, together with the infested control, s-metolachlor, pendimentalin, flumioxazin, fomesafen and bentazon. The commercial mixture of bentazon + imazamox presented low phytotoxicity, the best results of the components of grain yield, together with a good control of the summergrass and the signalgrass.

【 授权许可】

CC BY