Efficacy of Botanical Formulations Against Coconut Rhinoceros Beetle Oryctes rhinoceros

Authors

  • M. Alagar Coconut Research Station, Aliyarnagar 642101, Tamil Nadu Agricultural University (TNAU), Tamil Nadu
  • T. Srinivasan Department of Agricultural Entomology, TNAU, Coimbatore 641003, Tamil Nadu
  • K. Rajamanickam Directorate of ODL, TNAU, Coimbatore 641003, Tamil Nadu
  • A. Josephrajkumar ICAR-Central Plantation Crops Research Institute, Regional Station, Kayamkulam 690533, Kerala
  • A. Yasmin Department of Agricultural Entomology,TNAU, Coimbatore 641003. Tamil Nadu
  • S. Chinnadurai Department of Agricultural Entomology, TNAU, Coimbatore 641003. Tamil Nadu
  • V. Sivakumar Coconut Research Station, Aliyarnagar 642101, Tamil Nadu Agricultural University (TNAU), Tamil Nadu
  • S. Praneetha Coconut Research Station, Aliyarnagar 642101, Tamil Nadu Agricultural University (TNAU), Tamil Nadu
  • H. P. Maheswarappa University of Horticultural Sciences, Bagalkot, Karnataka 587102

DOI:

https://doi.org/10.55446/IJE.2021.381

Keywords:

Oryctes rhinoceros, coconut, botanical formulations, juvenile palms, leaf damage, spear leaf, chlorantraniliprole, botanical cake and paste, weed extracts

Abstract

Field efficacy of botanical cakes and insecticides when evaluated in coconut against the rhinoceros beetle Oryctes rhiniceros L., revealed that leaf damage reduced to 9.5% with botanical cake and paste. Palms treated with chlorantraniliprole 0.4% GR (10.5%) and neem cake admixed with sand (11.5%) were also effective compared to control (40.0%) at 30 months after treatment (MAT). The leaf damage was significantly low (14.2%) in chlorantraniliprole 0.4%GR treated palms, and the next best was botanical cake and paste (15.2%). The palms treated with the botanical cake and paste revealed the least spear leaf damage of 15.0%, compared to that of chlorantraniliprole 0.4% GR (18.5%) and naphthalene balls (20.0%). The overall mean spear leaf damage was significantly lower in chlorantraniliprole 0.4% GR treated palms (40.4%) followed by palms treated with naphthalene balls (42.9%) and botanical cake and paste (44.4%) compared to control (78.9%).

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Published

2023-06-01

How to Cite

Alagar, M., Srinivasan, T., Rajamanickam, K., Josephrajkumar, A., Yasmin, A., Chinnadurai, S., … Maheswarappa, H. P. (2023). Efficacy of Botanical Formulations Against Coconut Rhinoceros Beetle <i>Oryctes rhinoceros</i>. Indian Journal of Entomology, 85(2), 476–479. https://doi.org/10.55446/IJE.2021.381

Issue

Volume 85, Issue 2, June 2023

Section

Research Communications
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