EFFECTS OF SOIL TILLAGE SYSTEM AND CROP ROTATION ON DRY BEAN ROOT ROT SEVERITY

Authors

  • Rodrigo Fascin Berni
  • Pedro Marques da Silveira
  • Jefferson Luís da Silva Costa

Keywords:

Rhizoctonia solani, Fusarium solani f. sp. haseoli, cropping practices, fungi

Abstract

Dry bean root rot is caused by the fungi Rhizoctonia solani Kühn and Fusarium solani f. sp. phaseoli Snyd. & Hans.The effects of the interaction between soil tillage systems andcrop rotation on the severity of root rot was tested. The soiltillage systems consisted of plough+harrow (P1), plough (P2),harrow (P3) and no tillage (P4) and the crop rotation treatmentswere rice-bean (R1), corn-bean (R2), rice/Calopogonium muconoides-bean (R3) and corn-bean-corn-bean-rice-bean (R4). The severity of F. solani f. sp. phaseoli was evaluated 25 days after planting. The interaction was significant for this variable. The higher severity was under R3 with soil tillage system treatment P1. The lowest severity was under interaction R2 with soil preparation P3. Significant differences were found in the severity of the disease caused by R. solani. Soil tillage system P3 presented significantly higher disease severity than P4, whereas rotation R3 presented significantly higher disease severity when compared to other treatments.

KEY-WORDS: Rhizoctonia solani, Fusarium solani f. sp. haseoli; cropping practices; fungi.

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Author Biography

Rodrigo Fascin Berni

Embrapa Amazônia Ocidental, Caixa Postal 319, CEP 69011-970, Manaus, AM.

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Published

2007-11-19

How to Cite

BERNI, R. F.; SILVEIRA, P. M. da; COSTA, J. L. da S. EFFECTS OF SOIL TILLAGE SYSTEM AND CROP ROTATION ON DRY BEAN ROOT ROT SEVERITY. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], Goiânia, v. 32, n. 2, p. 69–74, 2007. Disponível em: https://revistas.ufg.br/pat/article/view/2408. Acesso em: 23 nov. 2024.

Issue

v. 32, n. 2, Jul./Dec. 2002

Section

Research Article

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