Bragantia (2009) 68, 1003-1007
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Zeneide Ribeiro Campos, Arlindo Leal Boiça Júnior, André Luiz Lourenção and Alcebíades Ribeiro Campos (2009)
Parâmetros biológicos de Bemisia tabaci (Genn.) biótipo B (Hemiptera: Aleyrodidae) em genótipos de algodoeiro
[Biological parameters of Bemisia tabaci B biotype on cotton genotypes]
Bragantia 68 (4), 1003-1007
Abstract: The silverleaf whitefly Bemisia tabaci B biotype is an important pest of many crops throughout the world. In Brazil, specifically in the Bahia State, this insect caused losses estimated to 30-70% on cotton crops. The purpose of this research was to investigate biological parameters of the silverleaf whitefly biotype B in genotype of cotton bush to verify a possible occurrence of antibiosis as resistance mechanism cotton, under greenhouse conditions. The duration of the egg and nymphal stages, and the adult longevity of B. tabaci biotype B were evaluated in the genotypes IAC-23, Coodetec 406, BRS Aroeira, Fabrika, Coodetec 407, IAC-24, Makina, IAC 20-233, Coodetec 401 and CNPA Acala I. Among those evaluated genotypes, Coodetec 406 increased the nymph stage (14.7 days) and IAC-23 reduced the nymphal viability (30.7%), suggesting the occurrence of antibiosis against this whitefly.
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Parâmetros biológicos de Bemisia tabaci (Genn.) biótipo B (Hemiptera: Aleyrodidae) em genótipos de algodoeiro
[Biological parameters of Bemisia tabaci B biotype on cotton genotypes]
Bragantia 68 (4), 1003-1007
Abstract: The silverleaf whitefly Bemisia tabaci B biotype is an important pest of many crops throughout the world. In Brazil, specifically in the Bahia State, this insect caused losses estimated to 30-70% on cotton crops. The purpose of this research was to investigate biological parameters of the silverleaf whitefly biotype B in genotype of cotton bush to verify a possible occurrence of antibiosis as resistance mechanism cotton, under greenhouse conditions. The duration of the egg and nymphal stages, and the adult longevity of B. tabaci biotype B were evaluated in the genotypes IAC-23, Coodetec 406, BRS Aroeira, Fabrika, Coodetec 407, IAC-24, Makina, IAC 20-233, Coodetec 401 and CNPA Acala I. Among those evaluated genotypes, Coodetec 406 increased the nymph stage (14.7 days) and IAC-23 reduced the nymphal viability (30.7%), suggesting the occurrence of antibiosis against this whitefly.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language:
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Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
resistance/tolerance/defence of host
Pest and/or beneficial records:
| Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
|---|---|---|---|---|
| Bemisia tabaci biotype B | Cotton (Gossypium) | Brazil (NE) |
