Evaluation of Eucalyptus Clones for Susceptibility to The Gall Wasp Letocybe invasa Fisher and La Salle

Authors

  • Akashdeep Singh Department of Forestry and Natural Resources, Punjab Agricultural University, Ludhiana 141004
  • G. P. S. Dhillon Department of Forestry and Natural Resources, Punjab Agricultural University, Ludhiana 141004
  • Nirmaljit Kaur Department of Botany, Punjab Agricultural University, Ludhiana 141004
  • K. S. Sangha Department of Forestry and Natural Resources, Punjab Agricultural University, Ludhiana 141004

DOI:

https://doi.org/10.55446/IJE.2021.253

Keywords:

Punjab, Eucalyptus, Letocybe invasa, Incidence, Soluble Sugar, Total Phenol, Protein, Seasonal Incidence, Clone, F-316, C-413, PE-11, Pe-14 and C-72.

Abstract

This study investigates the variation among Eucalyptus clones for incidence of gall wasp (Letocybe invasa) and relative changes in biochemical parameters. The three years, and replicated clonal trial involved 14 clones with monthly observations made on the gall wasp incidence. Significant variation was found among the clones, with maximum incidence being in F-316 and relatively the least incidence in C-413, PE-11, PE-14 and C-72. Gall wasp incidence gradually increased from January to April and declined thereafter. The total soluble sugars and phenol content in the infested leaves were found to increase by 49.2 and 22.8% respectively, whereas the protein content decreases (8.8% decrease).

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Published

2022-04-08

How to Cite

Singh, A., Dhillon, G. P. S. ., Kaur, N., & Sangha, K. S. (2022). Evaluation of Eucalyptus Clones for Susceptibility to The Gall Wasp Letocybe invasa Fisher and La Salle. Indian Journal of Entomology, 84(1), 178–180. https://doi.org/10.55446/IJE.2021.253

Issue

Volume 84, Issue 1, March 2022

Section

Research Communications
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