[1]ZHANG Ruiling,SHAN Lishan,LI Yi,et al.Research of Fluorescence Characteristics of Main Afforestation Tree Species for Soil and Water Conservation in Lanzhou Northern and Southern Mountains[J].Research of Soil and Water Conservation,2017,24(01):361-364,369.
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Research of Fluorescence Characteristics of Main Afforestation Tree Species for Soil and Water Conservation in Lanzhou Northern and Southern Mountains
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 01
Page number:
361-364,369
Column:
Public date:
2017-02-28
- Title:
- Research of Fluorescence Characteristics of Main Afforestation Tree Species for Soil and Water Conservation in Lanzhou Northern and Southern Mountains
- Keywords:
- chlorophyll fluorescence; photosynthetically active radiation; maximum photochemical conversion efficiency; afforestation tree species for soil and water conservation.
- CLC:
- Q945;Q948
- DOI:
- -
- Abstract:
- The Tamarix chinensis, Caragana intermedia and Reaumuria soongorica naturally distributed in Lanzhou northern and southern mountains were selected as the research objects, a portable Chlorophyll fluorescence analyzer PAM-2000 was used to determine the chlorophyll fluorescence parameters and environmental factors in their growth season. The results showed that the initial fluorescence of three kinds of plant leaves (Fo), maximum photochemical conversion efficiency (Fv/Fm), photochemical quenching coefficient (qP), non-photochemical quenching Ccoefficient (qN), photosynthetically active radiation (PAR), leaf temperature (TMP), diurnal variation were obvious. The processes of Fv/Fm and qP follow the normal distribution curve, anyway, bright light reduces to the minimum at 13:00; the processes of Fo, qN, PAR and TMP follow the normal distribution curve, which reach the maximum at 13:00. The Fv/Fm of three plants shows the trend of lower at noon, reached the lowest at 13:00, which are 0.778 (Tamarix chinensis), 0.676 (Caragana intermedia) and 0.65 (Reaumuria soongorica), respectively, indicating that both the photo inhibition phenomenon, but the stress on Reaumuria soongorica is the greatest.
- References:
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1900-01-01