Biophoton emission from kidney bean leaf infested with tetranychus kanzawai kishida

Ryuzou Kawabata, Masayoshi Uefune, Tohru Miike, Hirotaka Okabe, Junji Takabayashi, Masami Takagi, Shoichi Kai

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We studied spontaneous photon emission from kidney bean leaves infested with spider mites. Strong photon radiation was observed from the leaf veins where spider mites were crowding. Photon emission intensity increased with the decreases in chlorophyll content and photosynthesis yield; these decreases represented the degree of damage caused by the pest. When both infested and un-infested leaves were put on the same wet cotton, photon emission from the un-infested leaf increased, too. Photon emission from the un-infested leaf might be induced by an aqueous elicitor released from the infested leaf. Such an elicitor activates the plant defense response. Therefore, it is suggested that photon emission from an infested leaf conveys information on the direct injury (physical stresses) and physiological (biochemical) actions associated with the defensive response.

Original languageEnglish
Pages (from-to)5646-5651
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume43
Issue number8 A
DOIs
Publication statusPublished - Aug 1 2004

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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