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Shiota Mayu


Stress investigation of Pyropia yezoensis thalli under low nutrient condition using chlorophyll fluorescence

Journal of National Fisheries University Volume 67 Issue 1 Page 13-23
published_at 2018-11
67-1-13-23.pdf
[fulltext] 950 KB
Title
クロロフィル蛍光を活用した紅藻スサビノリ葉状体の貧栄養ストレスの評価
Stress investigation of Pyropia yezoensis thalli under low nutrient condition using chlorophyll fluorescence
Creators Abe Mahiko
Creators Shiota Mayu
Creators Murase Noboru
Creators Shikano Yousuke
Source Identifiers [PISSN] 0370-9361
Creator Keywords
Pyropia yezoensis chlorophyll fluorescence Imaging-PAM low nutrient L* value thallus
We investigated the changes in photosynthetic activity, L* value and chlorophyll fluorescence of Pyropia yezoensis thallus under low nutrient condition. Photosynthetic activities decreased when L* values of thallus were the higher values of 65. As for R-SD values extracted from chlorophyll fluorescence using graphic software, photosynthetic activities and relative values of R-SD decreased when thallus were exposed to low nutrient condition. Under low nutrient condition, it was suggested that thallus was maintained for photosynthetic activity using resources of nitrogen, phosphorus, iron and so on within cells. While, by lacking of their resources, it was thought that thallus was not able to produce photosynthetic pigment and photosynthetic activity was decreased. In the present results, chlorophyll fluorescence has a potential to become useful tool for finding the low nutrient stress of P. yezoensis thallus.
Languages jpn
Resource Type departmental bulletin paper
Publishers National Fisheries University
Date Issued 2018-11
File Version Version of Record
Access Rights open access
Relations
[ISSN]0370-9361