Variation and Relationships among Agronomic Traits in Durum Wheat [Triticum turgidum (L.) Thell. ssp. turgidum conv. durum (Desf.) MacKey] under South Mediterranean Growth Conditions: Stepwise and Path Analyses

Table 5

Phenotypic (below diagonal) and genotypic (above diagonal) correlation coefficients for ten characters of 56 genotypes of durum wheat.

	DHE	BIO	SN	GY	Yeco	PHT	STW	HI	CHL	CT
DHE	—	−0.334	−0.303	−0.402	−0.359	−0.180	−0.311	−1.008	−0.919	−0.096
BIO	−0.273	—	0.925	1.046	1.009	0.315	1.012	−0.239	−0.119	−0.134
SN	−0.266	0.709	—	0.955	0.927	0.143	0.942	−0.345	−0.049	−0.102
GY	−0.339	0.836	0.758	—	1.015	0.401	1.105	−0.402	−0.382	−0.160
Yeco	−0.316	0.965	0.763	0.951	—	0.348	1.040	−0.306	−0.230	−0.144
PHT	−0.175 ns	0.272	0.130 ns	0.307	0.300	—	−0.225	−1.569	−0.230	−4.281
STW	−0.207 ns	0.962	0.599	0.654	0.857	0.222 ns	—	0.554	−0.021	2.302
HI	−0.091 ns	−0.309	0.069 ns	0.219 ns	−0.070 ns	−0.011 ns	−0.535	—	−0.596	−1.205
CHL	−0.029 ns	−0.067 ns	0.135 ns	−0.179 ns	−0.123 ns	0.024 ns	−0.003 ns	−0.192 ns	—	−1.080
CT	0.388	−0.143 ns	−0.001 ns	−0.187 ns	−0.170 ns	−0.091 ns	−0.103 ns	−0.067 ns	0.107 ns	—

DHE = days to head, BIO = aboveground biomass, SN = spike number, GY = grain yield, Y_eco = economical yield, PHT = plant height, STW = straw yield, HI = harvest index, CHL = chlorophyll content, and CT = canopy temperature.