Leaf area estimation in a sugar beet cultivar by linear models |
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Authors: | Tsialtas J T Maslaris N |
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Institution: | (1) Larissa Factory, Department of Experimentation, Hellenic Sugar Industry SA, 411 10 Larissa, Greece;(2) Agronomic Research Service, 574 00 Sindos, Greece |
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Abstract: | An indirect method of leaf area measurement for Rizor sugar beet cultivar was tested. Leaves were sampled during two growing
seasons in a Randomised Complete Block Design experiment. For 2002 samplings, leaf area cm2] was linearly correlated with maximum leaf width cm] using all leaf samples (r
2 = 0.83, p < 0.001) or using the means of the 8 sampling occasions (r
2 = 0.97, p < 0.001). Correlations between leaf area and leaf mid vein length cm] were weaker (r
2 = 0.75, p < 0.001 and r
2 = 0.93, p < 0. 001, respectively). For 2003 samplings, the area estimated by the equations was highly correlated to the measured
leaf area. |
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Keywords: | leaf area leaf length leaf width non destructive methods |
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