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Comparison of asian soybean rust chemical control on a susceptible and a resistant cultivar in Brazil. Repositório Alice
VENANCIO, W. S.; VENANCIO, R. M.; MEYER, M. C.; NUNES JUNIOR, J.; BEGLIOMINI, E.; JASPER, M..
The development of resistant cultivars to the Asian soybean rust (ASR), caused by Phakopsora pachyrhizi, brought an additional tool to the disease management in Brazil. ASR develops slower in resistant cultivars than in susceptible ones, allowing a reduction of the number of fungicide sprays, but chemical control is still necessary. A field trial was conducted in Ponta Grossa, Parana State, in order to compare the effects of ASR chemical control with four fungicide formulations, in both resistant (BRSGO 7560) and susceptible (CD 249 RR) soybean cultivars. The fungicides were applied twice, beginning at soybean growth stage R3?R4, when first uredinia were observed, and at soybean stage R5.3?R5.4. The fungicides used were premix formulations of...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Soja; Doença de planta; Ferrugem; Doença fúngica; Soybeans; Plant diseases and disorders; Phakopsora pachyrhizi.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/919008
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