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This article in CS

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

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

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



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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