• Evaluation of some organophiosplioins insecticides againstDacus cucurhitae Coquillett on peach

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    • Keywords


      Organophosphorus insecticides; toxicity; persistence

    • Abstract


      Toxicity and persistence of fenitrothion, fenthion, malathion, methyl parathion, and trichlorphon applied at 0·05% (400 g/ha) were evaluated on peach fruits (Primus persica L.) against the neonate larvae ofDacus cucurhitae Coquillett in two seasons (1977–78). Fenitrothion and methyl parathion were highly toxic materials followed by fenthion and malathion, while trichlorphon was the least toxic. Fenitrothion was highly persistent (12 days) followed by methyl parathion (7 days). All the insecticide residues were within the acceptable limits at the time of harvest

    • Author Affiliations


      N P Kashyap1 2 S F Hameed1 3

      1. Department of Entomology-Apiculture, Himachal Pradesh Krishi Vishva Vidyalaya, Paiampur - 176 062, India
      2. College of Agriculture, Palampur - 176 062, India
      3. Department of Entomology, Rajcndra Agricultural University, Academic Complex, Pusa (Samastipur) - 848 125, Irdia
    • Dates


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