Photosynthetica, 2008 (vol. 46), issue 2

Photosynthetica 2008, 46(2):294-297 | DOI: 10.1007/s11099-008-0052-6

Evaluation of a leaf area prediction model proposed for sunflower

J. T. Tsialtas2,1,*, N. Maslaris3,1
1 Hellenic Sugar Industry SA, Greece
2 Department of Experimentation, Larissa factory, Larissa, Hellas
3 Agronomic Research Service, Sindos, Hellas

Six leaf samplings were conducted in two sunflower (Helianthus annuus L.) hybrids during the 2006 growing season in order to evaluate a simple model proposed for leaf area (LA) estimation. A total of 144 leaves were processed using an image analysis system and LA, maximum leaf width (W) [cm], and midvein length (L) [cm] were measured. Also, LA was estimated using the model proposed by Rouphael et al. (2007). Measured LA was exponentially related with L and W, and the W-LA relationships showed higher r 2. Estimated LA was strongly and exponentially related with L. Strong, linear relationships with high r 2 between estimated and measured LA confirmed the high predictability of the proposed model.

Keywords: Helianthus annuus; leaf length; leaf width; non-destructive methods

Received: May 4, 2007; Accepted: October 19, 2007; Published: June 1, 2008Show citation

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Tsialtas, J.T., & Maslaris, N. (2008). Evaluation of a leaf area prediction model proposed for sunflower. Photosynthetica46(2), 294-297. doi: 10.1007/s11099-008-0052-6.
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