Herbivory damage in native Alnus nepalensis and invasive Ageratina adenophora

  • Sujan Balami Department of Botany, Amrit Science Campus, Tribhuvan University, Kathmandu
  • Lal B Thapa Central Department of Botany, Tribhuvan University, Kirtipur, Kathmandu
Keywords: Alien invasion, Enemy release hypothesis, Herbivory damage, Native species

Abstract

 There are numbers of invasive and naturalized alien species in Nepal but studies related to herbivory effects on such species are scarce. An issue of debate is whether invasive alien species get benefited by less herbivory damage in their introduced range. In this study, we investigated the level of herbivory damage in Alnus nepalensis in an area invaded by Ageratina adenophora in Nepal. The damage was compared between invasive A. adenophora and native Alnus nepalensis. Results showed that A. adenophora experienced lower level of leaf damage by herbivores than that of A. nepalensis. This indicated that the invasive A. adenophora might have benefited from reduced herbivory damage behind its successful invasion in Nepalese forest. Further studies are needed to confirm whether controlling of herbivores to lessen the damage in native Alnus nepalensis could enhance its competitive ability against Ageratina adenophora in native vegetation of Nepal.

Botanica Orientalis – Journal of Plant Science (2017) 11: 7–11

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Abstract
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PDF
476
Published
2018-09-07
How to Cite
Balami, S., & Thapa, L. (2018). Herbivory damage in native Alnus nepalensis and invasive Ageratina adenophora. Botanica Orientalis: Journal of Plant Science, 11, 7-11. https://doi.org/10.3126/botor.v11i0.21026
Section
Research