Photosynthetica, 2003 (vol. 41), issue 2

Photosynthetica 2003, 41(2):285-287 | DOI: 10.1023/B:PHOT.0000011963.43628.15

Relationship between Contents of Chlorophyll (a+b) (SPAD values) and Nitrogen of Some Temperate Grasses

N. Gáborčík1,*
1 Faculty of Ecology and Environmental Sciences, Kolpašská I. 1738 9/B, Banská Štiavnica, Slovakia

In a field experiment the chlorophyll (a+b) (SPAD readings) and nitrogen contents of three grass species (Festuca arundinacea Schreb., Lolium perenne L., and Lolium multiflorum Lam.) and three intergeneric hybrids of Festuca pratensis Huds. × Lolium multiflorum Lam. and Festuca arundinacea Schreb. × Lolium multiflorum Lam. were measured. Close relationships were found between SPAD readings and nitrogen leaf content (r 2 = 0.873** 0.491** and 0.938**) for the 1st, 2nd, and 3rd cut, respectively. SPAD readings and N contents were closely correlated (r = 0.836**) confirming that SPAD measurements could be used in grass selection and/or breeding for high N concentration in herbage.

Keywords: cultivar differences; Festuca; Lolium; species differences

Published: June 1, 2003Show citation

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Gáborčík, N. (2003). Relationship between Contents of Chlorophyll (a+b) (SPAD values) and Nitrogen of Some Temperate Grasses. Photosynthetica, 41(2), 285-287. doi: 10.1023/B:PHOT.0000011963.43628.15.
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