Horticultura Brasileira (2004) 22, 761-765
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Fernando M. Lara, Arthur L. Scaranello, Edson L.L. Baldin, Arlindo L. Boiça Júnior and André L. Lourenção (2004)
Resistência de genótipos de batata a larvas e adultos de Diabrotica speciosa
[Resistance of potato genotypes to larvae and adults of Diabrotica speciosa]
Horticultura Brasileira 22 (4), 761-765
Abstract: The damage caused by larvae and adults of Diabrotica speciosa (Germar) was evaluated on tubers and leaves of fourteen potato genotypes, under free and no choice tests, during the years 2000 to 2002, under field and laboratory conditions. The genotypes Achat, Apuã, Aracy, Aracy Ruiva, Ibitu Açu, Itararé, Bintje, N 140-201, NYL 235-4, 288.776-6, 288.814-7, 288.719-13, 288.794-19 and 288.801-6 were evaluated. In damage assays with larvae, high level of resistance was observed in NYL 235-4 and 288.776-6 genotypes, while Aracy, Apuã and Itararé were susceptible. In feeding preference assays with adults of D. speciosa, NYL 235-4, Itararé, 288.794-19 and 288.801-6 genotypes showed to be the most resistant; moderate resistance was observed in 288.814-7 genotype. 'Achat', 'Bintje' and '288.719-13' were the most susceptible to Diabrotica speciosa.
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Resistência de genótipos de batata a larvas e adultos de Diabrotica speciosa
[Resistance of potato genotypes to larvae and adults of Diabrotica speciosa]
Horticultura Brasileira 22 (4), 761-765
Abstract: The damage caused by larvae and adults of Diabrotica speciosa (Germar) was evaluated on tubers and leaves of fourteen potato genotypes, under free and no choice tests, during the years 2000 to 2002, under field and laboratory conditions. The genotypes Achat, Apuã, Aracy, Aracy Ruiva, Ibitu Açu, Itararé, Bintje, N 140-201, NYL 235-4, 288.776-6, 288.814-7, 288.719-13, 288.794-19 and 288.801-6 were evaluated. In damage assays with larvae, high level of resistance was observed in NYL 235-4 and 288.776-6 genotypes, while Aracy, Apuã and Itararé were susceptible. In feeding preference assays with adults of D. speciosa, NYL 235-4, Itararé, 288.794-19 and 288.801-6 genotypes showed to be the most resistant; moderate resistance was observed in 288.814-7 genotype. 'Achat', 'Bintje' and '288.719-13' were the most susceptible to Diabrotica speciosa.
(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:
resistance/tolerance/defence of host
Pest and/or beneficial records:
| Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
|---|---|---|---|---|
| Diabrotica speciosa | Potato (Solanum tuberosum) | Brazil (south) |
