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Screening for resistance to potato cyst nematode in Australian potato cultivars and alternative solanaceous hosts

Screening for resistance to potato cyst nematode in Australian potato cultivars and alternative... The potato cyst nematodes (PCN), Globodera rostochiensis (Woll.) and G. pallida (Stone), are major pests of ware and seed potato (Solanum tuberosum L.) crops worldwide and severely impact the movement of potatoes around the globe through quarantine restrictions. In Australia, only G. rostochiensis has been discovered, on four separate occasions between 1986 and 2008. The infested areas are the subject of strict regulation and quarantine procedures and while they are considered to be contained, managing nematode populations remains a priority. This study has identified the G. rostochiensis Ro1 resistance-status of potato cultivars currently grown by Australian potato growers, and new cultivars emerging from the Australian Potato Breeding Program. Resistance was assessed by a simple and robust procedure carried out in a purpose-built quarantine facility. Of the 24 potato cultivars grown in the affected Koo Wee Rup district in 2004, 10 were resistant to nematode infestation, including the locally important cultivar Atlantic. Other cultivars important to the Victorian and Australian potato industry, such as Kennebec, Desiree, Sebago and Coliban, were classified as susceptible. Importantly, this study provided evidence that the Koo Wee Rup PCN population was able to complete its lifecycle on the native plant species, S. aviculare (kangaroo apple), potentially acting as an alternate host and spreading PCN among potato crops. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australasian Plant Pathology Springer Journals

Screening for resistance to potato cyst nematode in Australian potato cultivars and alternative solanaceous hosts

Australasian Plant Pathology , Volume 41 (5) – Nov 10, 2011

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References (28)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Australasian Plant Pathology Society Inc.
Subject
Life Sciences; Agriculture; Plant Sciences; Ecology; Plant Pathology; Entomology
ISSN
0815-3191
eISSN
1448-6032
DOI
10.1007/s13313-011-0098-y
Publisher site
See Article on Publisher Site

Abstract

The potato cyst nematodes (PCN), Globodera rostochiensis (Woll.) and G. pallida (Stone), are major pests of ware and seed potato (Solanum tuberosum L.) crops worldwide and severely impact the movement of potatoes around the globe through quarantine restrictions. In Australia, only G. rostochiensis has been discovered, on four separate occasions between 1986 and 2008. The infested areas are the subject of strict regulation and quarantine procedures and while they are considered to be contained, managing nematode populations remains a priority. This study has identified the G. rostochiensis Ro1 resistance-status of potato cultivars currently grown by Australian potato growers, and new cultivars emerging from the Australian Potato Breeding Program. Resistance was assessed by a simple and robust procedure carried out in a purpose-built quarantine facility. Of the 24 potato cultivars grown in the affected Koo Wee Rup district in 2004, 10 were resistant to nematode infestation, including the locally important cultivar Atlantic. Other cultivars important to the Victorian and Australian potato industry, such as Kennebec, Desiree, Sebago and Coliban, were classified as susceptible. Importantly, this study provided evidence that the Koo Wee Rup PCN population was able to complete its lifecycle on the native plant species, S. aviculare (kangaroo apple), potentially acting as an alternate host and spreading PCN among potato crops.

Journal

Australasian Plant PathologySpringer Journals

Published: Nov 10, 2011

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