Svalof: a High Yielding Potato with Resistance to Late Blight in Nordic Latitudes

被引:1
|
作者
Ortiz, Rodomiro [1 ,2 ]
Reslow, Fredrik [1 ,2 ]
Carlson-Nilsson, Ulrika [1 ,2 ]
机构
[1] Swedish Univ Agr Sci SLU, Dept Plant Breeding, Sundsvagen 10,Box 190, S-E23422 Lomma, Sweden
[2] Nord Genet Resources Ctr NordGen, Vaxthusvagen 12, SE-23456 Alnarp, Sweden
基金
瑞典研究理事会;
关键词
Breeding; Genetic gains; Genomic prediction; Host plant resistance to late blight; Table potato;
D O I
10.1007/s12230-023-09926-2
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Svalof is a yellow-skinned, light yellow-fleshed, high-yielding table potato cultivar for the high latitude of Scandinavia, showing partial resistance to Phytophthora infestans (causing late blight) and same specific gravity as the mealy cultivar King Edward, which is preferred in the fresh market by consumers in Sweden. It was selected as breeding clone SLU 1314015 in the first clonal generation (T1) at the late-blight prone site of Mosslunda (Skane, southern Sweden) in October 2015. The cross for obtaining it was made by the Swedish University of Agricultural Sciences in 2013 involving the breeding clone D09 1:2 1701 as female parent and the Dutch cultivar Carolus as male parent. Svalof show very large, round-oval tubers with shallow eyes and smooth skin. Its tuber yield averaged above 6%, 23%, 25% and 59% of Dutch cultivars Connect, Fontane, Carolus and Bintje, respectively, across multi-site trials in Sweden. Its unstable reducing sugar in the tuber flesh, as determined by multi-site testing, suggests that it will not be suitable for the crisp or chip processing. SLU's Svensk potatisforadling is seeking registration to be included in the Svenska Sortlistan, which lists cultivars available and is a pre-condition for certification of planting materials in the European Union. The release of Svalof as new potato cultivar will be the first entirely bred for this crop in Sweden since the mid-1990s. ResumenSvalof es una variedad de papa de mesa de piel amarilla, pulpa amarilla clara y alto rendimiento para la latitud alta de Escandinavia, que muestra resistencia parcial a Phytophthora infestans (que causa tizon tardio) y la misma gravedad especifica que la variedad King Edward, que es preferida en el mercado fresco por los consumidores en Suecia. Fue seleccionada como clon de mejoramiento SLU 1314015 en la primera generacion clonal (T1) en el sitio propenso al tizon tardio de Mosslunda (Skane, sur de Suecia) en octubre de 2015. La cruza para obtenerlo fue realizada por la Universidad Sueca de Ciencias Agricolas en 2013 involucrando al clon reproductor D09 1: 2 1701 como progenitor femenino y al cultivar holandes Carolus como progenitor masculino. Svalof muestra tuberculos ovalados redondos muy grandes con ojos poco superficiales y piel lisa. Su rendimiento de tuberculos promedio por encima del 6%, 23%, 25% y 59% de las variedades holandesas Connect, Fontane, Carolus y Bintje, respectivamente, en ensayos multisitio en Suecia. Su azucar reductor inestable en la pulpa del tuberculo, segun lo determinado por las pruebas de multiples sitios, sugiere que no sera adecuada para el procesamiento freido o de hojuelas. Svensk potatisforadling de SLU esta buscando el registro para ser incluido en el Svenska Sortlistan, que enumera las variedades disponibles y es una condicion previa para la certificacion de materiales de siembra en la Union Europea. El lanzamiento de Svalof como nueva variedad de papa sera el primero completamente generado para este cultivo en Suecia desde mediados de la decada de 1990.
引用
收藏
页码:399 / 406
页数:8
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