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Natan Fontoura da Silva ;Pesquisa Agropecuária Tropical 2005, 35 1

Autor: Peter Ernst Sonnenberg

Fuente: http://www.redalyc.org/


Introducción



Pesquisa Agropecuária Tropical ISSN: 1517-6398 pat@agro.ufg.br Escola de Agronomia e Engenharia de Alimentos Brasil Sonnenberg, Peter Ernst; Fontoura da Silva, Natan INTERFERÊNCIA DE PLANTAS DANINHAS NA CULTURA DE REPOLHO TRANSPLANTADO Pesquisa Agropecuária Tropical, vol.
35, núm.
1, 2005, pp.
9-11 Escola de Agronomia e Engenharia de Alimentos Goiânia, Brasil Disponível em: http:--www.redalyc.org-articulo.oa?id=253020146002 Como citar este artigo Número completo Mais artigos Home da revista no Redalyc Sistema de Informação Científica Rede de Revistas Científicas da América Latina, Caribe , Espanha e Portugal Projeto acadêmico sem fins lucrativos desenvolvido no âmbito da iniciativa Acesso Aberto Pesquisa Agropecuária Tropical, 35 (1): 9-11, 2005 – 9 INTERFERÊNCIA DE PLANTAS DANINHAS NA CULTURA DE REPOLHO TRANSPLANTADO1 Peter Ernst Sonnenberg2 e Natan Fontoura da Silva2 ABSTRACT RESUMO WEED INTERFERENCE IN TRANSPLANTED CABBAGE In tropical regions, irrigated vegetable crops are subject to strong weed interference.
In Brazil there are few herbicides registered for use in brassica crops.
Weed control is usually done by hoeing or mechanical cultivation.
Cabbage and other brassicas are planted by transplanting to shorten the weed interference period.
The effect of weed control on the productive performance of Fuyotoyo hybrid cabbage crop, was investigated in Goiânia from May 17th through August 22th, 2002.
The experimental design was randomized blocks in four replications of the following treatments: no weeding after transplanting, weeding once, one month or two months after transplanting, and weeding twice, one and two months after transplanting.
Regarding yield (kg.ha-1) and number of marketable heads as well as average head weight, the weeding treatments were similar to each other but significantly better than the control.
The plants of plots weeded once, one month after transplanting, and twice (one and two months after transplanting) were...





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