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American Journal of Potato Research

, Volume 90, Issue 1, pp 66–70 | Cite as

Study of Wild Solanum Species to Identify Sources of Resistance Against the Green Peach Aphid, Myzus Persicae (Sulzer)

  • Alireza Askarianzadeh
  • A. Nicholas E. Birch
  • Gavin Ramsay
  • Mehrnoosh Minaeimoghadam
Article

Abstract

The green peach aphid, Myzus persicae (Sulzer) (Homoptera: Aphididae), damages potato worldwide. In this study, we investigated 21 Commonwealth Potato Collection (CPC) accessions from seven wild Solanum species in order to identify sources of resistance against the green peach aphid. Test plants of wild potato species were grown from seed. After 4 weeks, 5 wingless adult aphids were put onto each test plant. The number of aphids was counted after 24 h, 7 and 10 days. At the second screening stage, plants were tested after 4 week’s growth, using the same aphid bioassay as in the first stage screen. Results showed that the most resistant Solanum species to M. persicae were S. trifidum and S. palustre and the most susceptible species tested was S. sanctae-rosae. Stability of the detected aphid resistance during plant development was measured by the correlation of repeated tests S. jamesii (CPC 7166) and S. trifidum (CPC 7123) were significantly more correlated than other accessions tested. The number of glandular hairs on these two resistant species was low and medium respectively. Therefore, resistance of these CPC accessions does not appear to depend on the presence of glandular hairs. Based on glasshouse tests, these two CPC accessions may be useful for novel aphid resistance traits in potato to M. persicae.

Keyword

Myzus persicae Resistance Solanum species Glandular hairs 

Resumen

El áfido verde del durazno, Myzus persicae (Sulzer) (Homoptera: Aphididae), daña a la papa en todo el mundo. En este estudio, investigamos 21 introducciones de la colección de papa de la Comunidad Británica (CPC) de siete especies silvestres de Solanum a fin de identificar fuentes de resistencia contra el áfido verde del durazno. Se cultivaron las plantas sujetas a la prueba de las especies silvestres de papa a partir de semilla. Después de cuatro semanas, se pusieron cinco adultos no alados de los áfidos sobre cada planta de prueba. Se contó el número de áfidos después de 24 hs, 7 y 10 días. En la segunda etapa del ensayo, se probaron las plantas después de cuatro semanas de crecimiento, usando el mismo bioensayo de áfidos que en el primero. Los resultados mostraron que las especies mas resistentes de Solanum a M. persicae fueron S. trifidum y S. palustre, y la especie mas susceptible probada fue S. sanctaerosae. La estabilidad de la resistencia al áfido detectada durante el desarrollo de la planta se midió mediante la correlación de pruebas repetidas. S. jamesii (CPC 7166) y S. trifidum (CPC 7123) estuvieron mas significativamente correlacionadas que otras introducciones probadas. El número de pelos glandulares de estas dos especies resistentes fue bajo y medio, respectivamente. De aquí que la resistencia de estas introducciones de la CPC no parece depender de la presencia de los pelos glandulares. Con base a pruebas de invernadero, estas dos introducciones de la CPC pudieran ser útiles para caracteres de resistencia novedosa a áfidos en papa a M. persicae.

Notes

Acknowledgments

This work was conducted at James Hutton Institute/Dundee, UK. The authors thank the Scottish Government’s RESAS and the Iranian Ministry of Agriculture (Sugarcane Development & Industrial By-Product Co.) for funding.

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Copyright information

© Potato Association of America 2012

Authors and Affiliations

  • Alireza Askarianzadeh
    • 1
  • A. Nicholas E. Birch
    • 2
  • Gavin Ramsay
    • 2
  • Mehrnoosh Minaeimoghadam
    • 3
  1. 1.Plant Protection Department, College of Agricultural SciencesShahed UniversityTehranIran
  2. 2.The James Hutton InstituteDundeeUK
  3. 3.Plant Protection Department, Agricultural CollegeChamran UniversityAhwazIran

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