Title: Reaction of Six Solanum tuberosum Cultivars to Pratylenchus penetrans.
Abstract: Six potato cultivars - Superior, Yukon Gold, Monona, Norchip, Kennebec, and Russet Burbank - were grown in Tioga loamy sand in tile microplots noninfested or infested with 9,800-11,500 P. penetrans/kg soil. At midseason, soil nematode population densities on Superior potatoes were 39,800/kg compared with 17,500-25,800/kg on the other cultivars. At harvest, 118 or 139 days after planting depending on maturity date, the final soil P. penetrans population density was 24,400/kg with Superior and 34,100-51,500/kg with the other cultivars. No differences occurred in the rate of nematode build-up in soil on the six potato cultivars. The nematode suppressed yield of marketable tubers of Superior by 73% and of Yukon Gold by 25%. Losses for Russet Burbank (61%), Kennebec (55%), Monona (46%), and Norchip (43%) were intermediate.
Publication Year: 1986
Publication Date: 1986-01-01
Language: en
Type: article
Indexed In: ['pubmed']
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Cited By Count: 24
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