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Late blight of potato (Solanum tuberosum, L.) caused by Phytophthora infestans (Mont.) de Bary, is a major worldwide threat to the production of high quality potatoes (12). Unchecked, P. infestans can rapidly defoliate plants in the field and can infect potato tubers when spores are washed into the soil (15). Prior to the early 1990s, the population of P.(More)
Previously identified as breeding line MSJ461-1, Missaukee is a round white chip processing potato variety resulting from a cross between Tollocan and NY88 and has foliar resistance to potato late blight (Phytophthora infestans de Bary). This variety has an attractive round shape and mildly netted, bright skin. Seven years of field testing in Michigan(More)
Late blight, caused byPhytophthora infestans, is the most important disease of potato worldwide and foliar resistance is an important component of managing late blight in the field. The objective of this research was to identify germplasm for use in breeding cultivars with foliar resistance toP. infestans. More than 500 clones were tested from 1997 to 2002(More)
Greenhouse assays were carried out to characterizeSolanum accessions previously reported to be late blight resistant and to identify individuals within the accessions with high levels of resistance to late blight. Foliage of wildSolanum species accessions or hybrid cultivated potato x wild species (diploid or tetraploid) from Mexico, Russia, or South(More)
Michigan Purple is a purple-skinned tablestock variety. The tubers have an attractive round-ovoid shape and a strong iridescent purple skin. It has a medium set of bright purple-skinned tubers similar in shape to Norland. The tuber flesh is white; it has few internal defects and does not darken after cooking. Under irrigated conditions the yield is high and(More)
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