Research Article

Agronomic Evaluation and Genetic Variation of Tunisian Tall Fescue (Festuca arundinacea Schreb.)

Table 3

Relative contribution of agronomic variables to the inertia explained by the first three axes.

ComponentsAxis 1Axis 2Axis 3

Eigenvalue3.602.040.98
% of inertia40.0922.7710.93
Cumulative %40.0962.8773.80
Definition of axis with componentsPW (+0.48)PH (+0.62)SY (+0.82)
TP (+0.45)MY (+0.60)SW (−0.43)
PS (+0.43)
SN (+0.42)

SW: hundred-seed weight (g), PW: panicle weight (g), SN: spikelet number per panicle, PS: panicle weight without seeds (g), TP: ten-panicle weight (g), PH: plant height at harvest (cm), SY: seed yield (T/ha), MY: dry matter yield (T/ha).