Germplasm with Resistance to Potato virus Y Derived from Solanum chacoense: Clones M19 (39–7) and M20 (XD3)

被引：0
作者：
Ana Cristina Fulladolsa
Amy Charkowski
Xingkui Cai
Jonathan Whitworth
Stewart Gray
Shelley Jansky
机构：
[1] Colorado State University,Department of Bioagricultural Sciences and Pest Management
[2] Huazhong Agricultural University,College of Horticulture & Forestry Sciences
[3] USDA-ARS,USDA
[4] Cornell University,ARS and Section of Plant Pathology & Plant
[5] University of Wisconsin,Microbe Biology, School of Integrated Plant Science
来源：
American Journal of Potato Research | 2019年 / 96卷
关键词：
PVY; Wild potato; Crop wild relative; Breeding; Disease resistance;
D O I：
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中图分类号：
学科分类号：
摘要：
Potato virus Y (PVY) causes one of the most serious and widespread diseases in North America. In recent years, the virus has become increasingly difficult to control. Durable dominant genes for resistance to PVY exist in potato germplasm and provide an effective control strategy. This paper describes a Solanum chacoense clone (M19) that is homozygous for a PVY resistance gene. The gene is linked to a previously published marker for Rychc found in Solanum chacoense. M19 was crossed with a diploid S. tuberosum clone to produce an adapted clone carrying the resistance gene. This hybrid clone is named M20. M20 tuberizes in the field, producing round tubers with white skin and flesh and moderate size. M20 is resistant to PVYO, PVYN:O, and PVYNTN. Both M19 and M20 are female and male fertile, so they are being released as sources of PVY resistance for breeding programs.
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页码：390 / 395
页数：5
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