New sources of resistance to potato cyst-nematodes in the Commonwealth Potato Collection |
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| Authors: | Susan J Turner |
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| Institution: | (1) Department of Agriculture for Northern Ireland, Nematology Laboratory, Felden, BT36 7ED Newtownabbey, Co. Antrim, U.K. |
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| Abstract: | Summary Accessions obtained from the Commenwealth Potato Collection were evaluated for resistance to European populations of potato cyst-nematodes (PCN). With over 36% of the current collection assessed, resistance to pathotypes of both Globodera rostochiensis and G. pallida were identified in 16 species from Argentina, Bolivia or Peru. Resistance to all PCN pathotypes was particularly prevalent in species from the Andean regions of Bolivia and North Argentina, supporting the hypothesis of co-evolution of the potato and PCN in these regions. |
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| Keywords: | Solanum wild and cultivated potato species potato germplasm potato cyst-nematode Globodera rostochiensis resistance Globodera pallida resistance geographical distribution |
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