Photosynthetica 2009, 47(1):137-140 | DOI: 10.1007/s11099-009-0022-7

Response of photosynthesis and chlorophyll fluorescence quenching to leaf dichotocarpism in Ligustrum vicaryi, an ornamental herb

Y. Q. Yang1, X. F. Yi1,*, P. Prasad2
1 College of Agriculture, Henan University of Science and Technology, Luoyang, China
2 High Altitude Plant Physiology Research Centre, HNB Garhwal University, Uttarakhand, India

Net photosynthetic rate of yellow upper leaves (UL) of Ligustrum vicaryi was slightly, but not significantly higher than that of green lower leaves (LL). Diurnally, maximum photochemical efficiency of photosystem 2, PS2 (Fv/Fm) of LL did not significantly decline but the UL showed fairly great daily variations. Yield of PS2 of UL showed an enantiomorphous variation to the photosynthetically active radiation and was significantly lower than in the LL. Unlike Fv/Fm, the efficiency of energy conversion in PS2 and both non-photosynthetic and photosynthetic quenching did not differ in UL and LL. Significant differences between UL and LL were found in contents of chlorophyll (Chl) a, b, and carotenoids (Car) and ratios of Chl a/b, Chl b/Chl (a+b), and Car/Chl (a+b). Leaf colour dichotocarpism in L. vicaryi was mainly caused by different photon utilization; sunflecks affected the LL.

Additional key words: carotenoids; chlorophyll; CO2 uptake; energy utilization; photoprotection; sunflecks; thermal dissipation

Received: June 10, 2008; Accepted: October 15, 2008; Published: March 1, 2009  Show citation

ACS AIP APA ASA Harvard Chicago Chicago Notes IEEE ISO690 MLA NLM Turabian Vancouver
Yang, Y.Q., Yi, X.F., & Prasad, P. (2009). Response of photosynthesis and chlorophyll fluorescence quenching to leaf dichotocarpism in Ligustrum vicaryi, an ornamental herb. Photosynthetica, 47(1), 137-140. doi: 10.1007/s11099-009-0022-7
Share...
Download citation
  • BibTeX (.bib)
  • Bookends (.ris)
  • EasyBib (.ris)
  • EndNote (.enw)
  • EndNote 8 (.xml)
  • ISI WoS (.isi)
  • Medlars (.medlars)
  • Mendeley (.ris)
  • MODS (.xml)
  • Papers (.ris)
  • RefWorks (.txt)
  • RefManager (.ris)
  • RIS (.ris)
  • MS Word (.xml)
  • Zotero (.ris)
    • Open full article

    References

    1. Anderson, J.M., Park, Y.I., Chow, W.S.: Photoinactivation and photoprotection of photosystem II in nature.-Physiol. Plant. 100: 214-223, 1997. Go to original source...
    2. Araus, J.L., Hogan, K.P.: Leaf structure and patterns of photoinhibition in two neotropical palms in clearing and forest understory during the dry season.-Amer. J. Bot. 81: 726-738, 1994. Go to original source...
    3. Arnon, D.I.: Copper enzymes in isolated chloroplasts. Polyphenoloxidase in Beta vulgaris.-Plant Physiol. 24: 1-15, 1949. Go to original source...
    4. Bilger, W., Björkman, O.: Role of xanthophyll cycle in photoprotection elucidated by means of light-induced absorbance changes, fluorescence and photosynthesis in leaves of Hedera canariensis.-Photosynth. Res. 25: 173-185, 1990. Go to original source...
    5. Colom, M.R.: Photosynthesis and PS II functionality of drought-resistant and drought-sensitive weeping lovegrass plants.-Environ. exp. Bot. 49: 135-144, 2003. Go to original source...
    6. Cui, X.Y., Niu, H., Wu, J., Gu, S., Wang, Y.F., Wang, S.P., Zhao, X.Q., Tang, Y.H.: Response of chlorophyll fluorescence to dynamic light in three alpine species differing in plant architecture.-Environ. exp. Bot. 58: 149-157, 2006. Go to original source...
    7. Geiger, D.R., Servaites, J.C.: Diurnal regulation of photosynthetic carbon metabolism in C3 plants.-Annu. Rev. Plant Physiol. Plant mol. Biol. 45: 235-256, 1994. Go to original source...
    8. Genty, B., Briantais, J.-M., Baker, N.R.: The relationship between the quantum yield of photosynthetic electron transport and quenching of chlorophyll fluorescence.-Biochim. biophys. Acta 990: 87-92, 1989. Go to original source...
    9. Jiang, C.D., Gao, H.Y., Zou, Q., Jiang, G.M., Li, L.H.: Leaf orientation, photorespiration and xanthophyll cycle protect young soybean leaves against high irradiance in field.-Environ. exp. Bot. 55: 87-96, 2006. Go to original source...
    10. Mauchamp, A., Mèthy, M.: Submergence-induced damage of photosynthetic apparatus in Phragmites australis.-Environ. exp. Bot. 51: 227-235, 2004. Go to original source...
    11. Mielke, M.S., Almeida, A.A.F., Gomes, F.P., Aguilar, M.A.G., Mangabeira, P.A.O.: Leaf gas exchange, chlorophyll fluorescence and growth responses of Genipa americana seedlings to soil flooding.-Environ. exp. Bot. 50: 221-231, 2003. Go to original source...
    12. Roháček, K., Barták, M.: Technique of modulated chlorophyll fluorescence: basic concepts, useful parameters, and some applications.-Photosynthetica 37: 339-363, 1999. Go to original source...
    13. Roháček, K.: Chlorophyll fluorescence parameters: the definitions, photosynthetic meaning and mutual relationships. Photosynthetica 40: 13-29, 2002. Go to original source...
    14. Schreiber, U., Bilger, W., Neubauer, C.: Chlorophyll fluorescence as a nonintrusive indicator for rapid assessment of in vivo photosynthesis.-In: Schulze, E.-D., Caldwell, M.M. (ed.): Ecophysiology of Photosynthesis. Pp. 49-70. Springer Verlag, Berlin 1994. Go to original source...
    15. Schreiber, U., Schliwa, U., Bilger, W.: Continuous recording of photochemical and nonphotochemical chlorophyll fluorescence quenching with a new type of modulation fluorometer.-Photosyn. Res. 10: 51-62, 1986. Go to original source...
    16. Smith, N.D., Cross, T.A., Dufficy, J.R, Clough, S.R.: Anatomy of an avulsion.-Sedimentology. 36: 1-23, 1989. Go to original source...
    17. Sobrado, M.A.: Leaf characteristics and diurnal variation of chlorophyll fluorescence in leaves of the 'Bana' vegetation of the Amazon region.-Photosynthetica 46: 202-207, 2008. Go to original source...

    Return to the content