Breeding Research
Online ISSN : 1348-1290
Print ISSN : 1344-7629
ISSN-L : 1344-7629

This article has now been updated. Please use the final version.

Breeding of a new table potato variety ‘Yumeikoro’ with resistance to the potato cyst nematode (Globodera rostochiensis)
Hiroshi ShinadaRyohei FujitaHiroshi MatsunagaToshihumi WazakiMasatoshi OhnamiSatoshi AoyamaShigehiko EbeSatoru IketaniSeiji HagiharaHikaru NakayamaChika SuzukiHajime TamuraChihiro SomaSachiko IkedaKakumasa Onodera
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JOURNAL FREE ACCESS Advance online publication
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Article ID: 23J03

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Abstract

‘Yumeikoro’ was selected from the progeny of a cross between ‘Irish Cobbler’ and ‘Kitakei-39’ at Hokkaido Research Organization Kitami Agricultural Experiment Station. ‘Yumeikoro’ has resistance to the potato cyst nematode (Globodera rostochiensis; Ro1) and moderately resistance to common scab (Streptomyces turgidiscabies). Its agronomic performance has been tested for eight years (2014–2022) at Kitami Agricultural Experiment Station. Vine maturity of ‘Yumeikoro’ was early, which similar to that of ‘Irish Cobbler’. The mean tuber weight of ‘Yumeikoro’ was higher than that of ‘Irish Cobbler’. The yield of marketable tubers (60–260 g) of ‘Yumeikoro’ was higher than that of ‘Irish Cobbler’. Eye depth of its tubers was shallower than that of ‘Irish Cobbler’. Fleshy substance was medium. ‘Yumeikoro’ will be cultivated instead of ‘Irish Cobbler’ in the areas infected with potato cyst nematode of Hokkaido and also is expected to contribute to stable potato production in Hokkaido.

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