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Galena Russet: a Long Dormancy, Dual-Purpose Potato Cultivar Exhibiting Low Asparagine, Cold-Sweetening Resistance, and Enhanced Protein Content
American Journal of Potato Research ( IF 1.5 ) Pub Date : 2021-01-03 , DOI: 10.1007/s12230-020-09817-w
R. R. Spear , R. G. Novy , J. L. Whitworth , J. C. Stark , M. J. Pavek , N. R. Knowles , L. O. Knowles , B. A. Charlton , V. Sathuvalli , S. Yilma , M. Thornton , N. Olsen , T. Brandt , Y. Wang

Galena Russet is a potato variety notable for high marketable yields resulting from greater resistance to external tuber defects compared to industry standard Russet Burbank. Galena Russet exhibits long dormancy, cold-sweetening resistance, and higher protein content than standard varieties. In early-season trials conducted over 3 years in the Pacific Northwest, Galena Russet produced total and U.S. No. 1 yields similar to standard varieties. During 4 years of full-season trials in five western states, Galena Russet produced greater total and U.S. No. 1 yields than Russet Burbank and Ranger Russet in most locations, with specific gravities greater than Ranger Russet on average. Galena Russet produced light-colored fries out of storage with temperatures as low as 4.4 °C, demonstrating its cold-sweetening resistance and low reducing sugar concentrations. Moreover, the asparagine concentration of Galena Russet tubers was 42 and 36% lower than Russet Burbank and Ranger Russet tubers, respectively, following 2 months of storage. Low reducing sugar and asparagine concentrations may predict low acrylamide formation during processing. Galena Russet has shown greater resistance to PVY than Russet Burbank and Ranger Russet.



中文翻译:

Galena Russet:长休眠,双重用途的马铃薯品种,表现出低的天冬酰胺,抗冷甜性和增强的蛋白质含量

Galena Russet是一种马铃薯品种,与工业标准Russet Burbank相比,由于对外部块茎缺陷的抵抗力更强,因此具有很高的可销售产量。Galena Russet具有比传统品种更长的休眠时间,抗甜味性以及更高的蛋白质含量。在西北太平洋地区进行的为期3年的早期试验中,Galena Russet的总产量和美国1号产量均与标准品种相似。在西部五个州进行的为期4年的全季试验中,Galena Russet的总产量和美国单产比大多数地区的Russet Burbank和Ranger Russet高,比重平均大于Ranger Russet。Galena Russet生产的浅色油炸薯条的储存温度低至4.4°C,表现出其抗冷甜性和低还原糖浓度。此外,储存2个月后,方铅矿(Galena Russet)块茎的天冬酰胺浓度分别比Russet Burbank和Ranger Russet块茎低42%和36%。低还原糖和天冬酰胺的浓度可能会预测加工过程中丙烯酰胺的形成低。Galena Russet对PVY的抵抗力比Russet Burbank和Ranger Russet更强。

更新日期:2021-01-03
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