Biophoton emission due to drought injury in red beans: Possibility of early detection of drought injury

Tomoyuki Ohya, Satoshi Yoshida, Ryuzou Kawabata, Hirotaka Okabe, Shoichi Kai

研究成果: ジャーナルへの寄稿学術誌査読

45 被引用数 (Scopus)

抄録

We study biophoton emission from red beans (Vigna angularis) during germination and seedling stages under drought stress. Strong photon emission is observed at the root apex when the beans are subjected to the dry condition. The spatial distribution of the emission is broader than that of emission due to the application of strong salt stress reported previously [T. Ohya et al.: Jpn. J. Appl. Phys. 39 (2000) 3696]. When they are rewatered, strong photon emission from them is again observed. As their drought damage is weaker, the intensity of the photon emission is weaker. Photon emission from damaged roots indicates their physiological response to external stress, that is, photon emission intensity measurement is useful for detecting physiological changes and evaluating the degrees of such changes before serious damage takes place without any invasion and destruction.

本文言語英語
ページ(範囲)4766-4771
ページ数6
ジャーナルJapanese Journal of Applied Physics
41
7 A
DOI
出版ステータス出版済み - 7月 2002

!!!All Science Journal Classification (ASJC) codes

  • 工学一般
  • 物理学および天文学一般

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