Spatial distribution of citrus leprosis in the Eastern Amazon

O objetivo deste trabalho foi avaliar a distribuicao espacial da leprose dos citros em dois pomares na regiao citricola do Nordeste Paraense/Amazonia Oriental. Realizaram-se avaliacoes com intervalo mensal no periodo de dezembro de 2011 a novembro de 2012, verificando-se plantas com sintomas caracteristicos da leprose dos citros, anotando-se 1 para presenca e 0 para ausencia. Foi aplicada a geoestatistica para a analise espacial da doenca, modelagem dos semivariogramas e confeccao dos mapas de krigagem. O modelo que melhor se ajustou a distribuicao espacial da doenca foi o esferico, pois apresentou maior valor do coeficiente de determinacao, com variacao no alcance de 18 a 29 m na area A, e de 9 a 30 m na area B. O Indice de Dependencia Espacial (IDE) apresentou-se moderado para todas as avaliacoes da area A, ficando no intervalo de 0,25 a 0,75, e na area B com excecao dos meses de dezembro de 2011, junho e setembro de 2012, que apresentaram o IDE moderado, todos apresentaram o IDE fraco com valores abaixo de 0,25. A geoestatistica mostrou-se uma ferramenta propicia para a avaliacao da distribuicao espacial do Citrus leprosis virus (CiLV).

• Publication year

  2016

• Venue

  Revista Ciencia Agronomica

• Publication date

  2016-03-01

• Fields of study

  Not labeled

• Identifiers
  DOI 10.5935/1806-6690.20160007
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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