Whole-plant and Single-leaf Photosynthesis of Strawberry under Various Environmental Conditions

• LE Lu Trong

  Faculty of Agriculture, University of the Ryukyus The United Graduate School of Agricultural Science, Kagoshima University

• DINH Hoang Thai

  Faculty of Agronomy, Vietnam National University of Agriculture

• TAKARAGAWA Hiroo

  Faculty of Agriculture, University of the Ryukyus

• WATANABE Kenta

  Faculty of Agriculture, University of the Ryukyus

• KAWAMITSU Yoshinobu

  Faculty of Agriculture, University of the Ryukyus

Abstract

Photosynthesis is a crucial process for the existence, development, and productivity of crops. Appropriate measurements should be met to evaluate and control the photosynthesis quality accurately. In this study, we presented advantages and compared the results from two measurement methods used on strawberry plants, namely, the single-leaf method (SL), and the whole-plant method (Wp). The leaf age of 12―15 days, optimal in the area and photosynthetic potential, were suitable to measure a representative leaf by the single-leaf method. The Wp showed the complete patterns and trends of whole-plant photosynthesis under different environmental conditions while this was a restriction in the SL. However, the light response curve patterns showed no differences regardless of measurement methods. The photosynthetic values between the two methods were only significant differences under low CO₂ and PPFD. The limitations of SL were mainly from the manners and measurement conditions, which led to significant differences with the Wp. In conclusion, we believe that the whole-plant method may be the most suitable, nonetheless, the single-leaf method is still high valid if there are appropriate manners.

Journal

• Environment Control in Biology

  Environment Control in Biology 59 (4), 173-180, 2021-10-01

  Japanese Society of Agricultural, Biological and Environmental Engineers and Scientists

Keywords

• diurnal photosynthesis
• environmental factors
• leaf age
• light response curve
• open-chamber method
• plant factory

Details

• CRID: 1390853343595664256
• NII Article ID: 130008129584
• DOI: 10.2525/ecb.59.173
• ISSN: 18830986
• ISSN: 1880554X
• Web Site: https://www.jstage.jst.go.jp/article/ecb/59/4/59_173/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed