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Horticultura Brasileira
Article . 1999 . Peer-reviewed
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Horticultura Brasileira
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Controle de plantas daninhas na cultura da batata

Authors: Zagonel, Jeferson; Reghin, Marie Y.; Moresco, Eloir;

Controle de plantas daninhas na cultura da batata

Abstract

O experimento foi conduzido na Fazenda Escola da UEPG, em Ponta Grossa-PR, em Latossolo Vermelho Escuro de textura média argilosa, com o objetivo de verificar a praticabilidade e a eficiência agronômica dos herbicidas metolachlor e metribuzin + metolachlor no controle de plantas daninhas na cultura da batata. O delineamento experimental foi de blocos ao acaso com nove tratamentos e quatro repetições, quais sejam: metolachlor (1,92; 2,88 e 3,84 kg i.a./ha); metribuzin + metolachlor (0,24 + 1,68; 0,36 + 2,52 e 0,48 + 3,36 kg i.a./ha); metribuzin (0,48 kg i.a./ha); testemunha capinada e testemunha sem capina. O plantio foi realizado em outubro/95 utilizando-se a cultivar Elvira, no espaçamento 0,70 x 0,35 m. As plantas daninhas predominantes foram Brachiaria plantaginea (capim-papuã), Digitaria horizontalis (capim-milhã) e Galinsoga parviflora (fazendeiro). As avaliações foram efetuadas aos 15, 30 e 45 dias após a aplicação dos tratamentos onde verificou-se que foram eficientes os seguintes herbicidas: metolachlor no controle sobre capim-papuã e capim-milhã nas doses de 2,88 e 3,84 kg i.a./ha; a mistura metribuzin + metolachlor no controle sobre capim-papuã e capim-milhã nas doses 0,36 + 2,52 e 0,48 + 3,36 kg i.a./ha; metolachlor (1,92; 2,88 e 3,84 kg i.a./ha) e metribuzin + metolachlor (0,24 + 1,68; 0,36 + 2,52 e 0,48 + 3,36 kg i.a./ha) no controle sobre fazendeiro. Não foram observados efeitos fitotóxicos dos produtos sobre as plantas de batata.

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Keywords

Solanum tuberosum L., chemical control, herbicides, herbicidas, controle químico

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
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