Now showing items 1-3 of 3

    • Baiting Onion Maggot Flies with Bt 

      van der Heide, Jan; Eckenrode, Charles J. (New York State Integrated Pest Management Program, 1997)
      Laboratory studies conducted Dr. Eckenrode indicated mortalities close to 100% when adult flies were fed a 10% sugar solution laced with Bt insecticide. With present onion maggot control strategies focusing on the larval, ...
    • Effect of Barley Windbreak Placement on Onion Maggot Damage 

      van der Heide, Jan; Eckenrode, Charles J. (New York State Integrated Pest Management Program, 1997)
      In this report, we will examine the effect of the presence and absence of a barley nurse crop on the number of onion maggot flies in onion fields. We will also look at the effect of planting density of the nurse crop on ...
    • Onion Thrips in Onions: Dispersal, Flight Habits, and Insecticide Resistance 

      Hoffmann, Michael P.; Eckenrode, Charles J.; Gangloff, Jody (New York State Integrated Pest Management Program, 1997)
      Onions are the most valuable vegetable grown in New York and the most heavily treated with pesticides. The onion thrips is a chronic pest of this crop and growers may spray more than 12 times a season for its control. ...