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Evaluation of Grain Yield and Its Components in Durum Wheat under Mediterranean Conditions

An Ontogenic Approach

^a Dep. Fisiología Vegetal, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain
^b Centre UdL-IRTA, Area de Conreus Extensius, Rovira Roure, 191, 25198 Lleida, Spain

View larger version (17K): [in a new window]   Fig. 1. Path coefficient diagrams showing the interrelationships among (1) duration of vegetative period (VP), (2) number of spikes per square meter (S), (3) duration of grain-filling period (GFP), (4) number of kernels per spike (KS), (5) kernel weight (KW), and (6) grain yield (GY). The single-headed arrows indicate path coefficients, and the double-headed arrows indicate simple correlation coefficients.