Validation of a Landscape-Based Model for Whitefly Spread of the Cucurbit Yellow Stunting Disorder Virus to Fall Melons

Yves Carriere, Ben Degain, Leighton Liesner, Pierre Dutilleul, John C Palumbo

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The cucurbit yellow stunting disorder virus (CYSDV) transmitted by Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) has caused significant reductions in fall melon (Cucumis melo L.) yields in Yuma County, Arizona. In a recent landscape-based study, we found evidence that cotton and spring melon fields increased abundance of B. tabaci and spread of CYSDV infection in fall melon fields. Here, we show that a statistical model derived from data collected in 2011-2012 and based on areas of cotton and spring melon fields located within 1,500 m from edges of fall melon fields was sufficient to retrospectively predict incidence of CYSDV infection in fall melon fields during 2007-2010. Nevertheless, the slope of the association between areas of spring melon fields and incidence of CYSDV infection was three times smaller in 2007-2010 than in 2011-2012, whereas the slope of the association between areas of cotton fields and incidence of CYSDV infection was consistent between study periods. Accordingly, predictions were more accurate when data on areas of cotton alone were used as a basis for prediction than when data on areas of cotton and spring melons were used. Validation of this statistical model confirms that crop isolation has potential for reducing incidence of CYSDV infection in fall melon fields in Yuma County, although isolation from cotton may provide more consistent benefits than isolation from spring melon.

Original languageEnglish (US)
Pages (from-to)2002-2009
Number of pages8
JournalJournal of Economic Entomology
Volume110
Issue number5
DOIs
StatePublished - Oct 1 2017

Fingerprint

Cucurbit yellow stunting disorder virus
whitefly
melons
Aleyrodidae
cotton
virus
incidence
infection
Bemisia tabaci
statistical models
prediction
Cucumis melo
crop
Hemiptera

Keywords

  • Bemisia tabaci
  • insect-transmitted crop virus
  • integrated pest management
  • landscape ecology

ASJC Scopus subject areas

  • Ecology
  • Insect Science

Cite this

Validation of a Landscape-Based Model for Whitefly Spread of the Cucurbit Yellow Stunting Disorder Virus to Fall Melons. / Carriere, Yves; Degain, Ben; Liesner, Leighton; Dutilleul, Pierre; Palumbo, John C.

In: Journal of Economic Entomology, Vol. 110, No. 5, 01.10.2017, p. 2002-2009.

Research output: Contribution to journalArticle

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