Current Advances in Agricultural Sciences(An International Journal)

  • Year: 2009
  • Volume: 1
  • Issue: 2

Evaluation of potent insecticides against podfly (Melanagromyza obtusa) and its parasitoids in late pigeonpea (Cajanus cajan L. Millsp.)

  • Author:
  • Manzoor Hussain Dar, PQ Rizvi, Hem Saxena1
  • Total Page Count: 3
  • DOI:
  • Page Number: 114 to 116

Department of Plant Protection, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh-202 002, Uttar Pradesh, India

1Division of Crop Protection, Indian Institute of Pulses Research, Kanpur-208 024, (Uttar Pradesh), India

Abstract

The most commonly used insecticides were evaluated for their performance against podfly (Melanagromyza obtusa Malloch) and its parasitoids in late sown pigeonpea (Cajanus cajan L. Millsp.). The data based on the two successive cropping seasons (2000–2002) revealed that profenophos and dimethoate were potential insecticides against podfly and also relatively safer to parasitoids. The neem seed kernel extract (NSKE) proved to be the safest to parasitoids being at par with untreated check but was not effective to contain podfly population compared to synthetic insecticides. Endosulfan and monocrotophos were found toxic to the parasitoids exhibiting a significant reduction (8.3 to 9.9%) in parasitization against untreated check (19.9%).

Keywords

Melanagromyza obtusa, Parasitoids, Toxicity