The number of cecidomyiid insect galls affects the photosynthesis of machilus thunbergii host leaves

Meng Yuan Huang, Hsueh Mei Chou, Yung-Ta Chang, Chi Ming Yang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Previous studies of the impacts of galls on host leaf photosynthesis do not suggest any general trends, with a reported range of effects from negative to positive. In this study, photosynthetic characteristics such as chlorophyll fluorescence (Fv/Fm), photosynthetic capacity, and stomata conductance were determined in two types of fruit-like galls (red ovoid and green obovate galls) induced by Daphnephila taiwanensis and Daphnephila sueyenae, respectively, in order to investigate whether the number of galls affects the photosynthesis of galled leaves of Machilus thunbergii. In 2008, chlorophyll fluorescence and photosynthetic capacity were negatively correlated with gall numbers, non-significantly and significantly, respectively, whereas stomata conductance was positively but non-significantly correlated with gall numbers. In 2009, photosynthesis capacity and stomata conductance were negatively, but non-significantly, correlated with gall numbers. Results imply that photosynthesis in M. thunbergii leaves is slightly affected by the number of cecidomyiid insect galls, and that the higher the gall number, the greater the negative effect that galls have on host leaf photosynthesis and subsequent infection.

Original languageEnglish
Pages (from-to)151-154
Number of pages4
JournalJournal of Asia-Pacific Entomology
Volume17
Issue number2
DOIs
Publication statusPublished - 2014 Jun 1

Fingerprint

Cecidomyiidae
galls
photosynthesis
insects
leaves
stomata
Machilus
fluorescence
chlorophyll
fruits

Keywords

  • Gall number
  • Host leaf
  • Photosynthetic capacity
  • Stomata conductance

ASJC Scopus subject areas

  • Insect Science

Cite this

The number of cecidomyiid insect galls affects the photosynthesis of machilus thunbergii host leaves. / Huang, Meng Yuan; Chou, Hsueh Mei; Chang, Yung-Ta; Yang, Chi Ming.

In: Journal of Asia-Pacific Entomology, Vol. 17, No. 2, 01.06.2014, p. 151-154.

Research output: Contribution to journalArticle

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