Journal of Horticulture
Open Access

R Chris Williamson

Publications

• Research Article
  Evaluation of Kaolin Clay as an Alternative Management Tactic for Japanese Beetle Feeding Damage in Grape Vineyards
  Author(s): Reid M Maier and R Chris WilliamsonReid M Maier and R Chris Williamson
  
  The Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae), is an exotic, introduced Scarab that has become one of the most widespread and destructive insect pest of turf, landscapes and nursery crops in the eastern United States. It also damages various fruit, garden and field crops. Evaluation of certain conventional and non-conventional control agents in a Wisconsin vineyard revealed that bifenthrin, a fourth generation synthetic pyrethroid, provided the greatest Japanese beetle adult control in choice and no-choice feeding bioassays. Bacillus thuringiensis gallariae (Btg) was also effective in both bioassays. However, Btg residual activity was relatively limited; its performance decreased five days after treatment. Kaolin clay provided effective Japanese beetle adult management via consistent adult feeding damage mitigation in both study years. Field tests showed tha.. View More»
  DOI: 10.4172/2376-0354.1000184

  Abstract PDF

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