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This article in CS

  1. Vol. 15 No. 6, p. 873-874
     
    Received: May 27, 1975
    Published: Nov, 1975


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doi:10.2135/cropsci1975.0011183X001500060040x

Differential Reaction of Kentucky Bluegrass Cultivars to the Bluegrass Billbug, Sphenophorus Parvulvs Gyllenhal1,2

  1. S. D. Kindler and
  2. E. J. Kinbacher3

Abstract

Abstract

Fifteen cultivars of Kentucky bluegrass, Poa pratensis L., were evaluated in the field for resistance to the bluegrass billbug, Sphenophorus parvulus Gyllenhal; none escaped infestation or damage. The correlation between infestation counts and damage index was significant at the 5% level (r=0.585). A range in resistance to billbug infestation and damage was recorded among the cultivars. ‘Nebraska common,’ ‘Park,’ and ‘South Dakota certified’ had the lowest number of billbugs/unit area.

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