Evaluation of Drought Stress Tolerance Based on Selection Indices in Haricot Bean Varieties Exposed to Stress at Different Growth Stages

Table 6

Simple correlation analysis among drought tolerance indices affected by drought stress at pod setting stage.

	Ypi	Ysi	DSI	DTI	PYR	GM	MP	YSI	MRP	REI	RDI	SSPI
Ypi
Ysi	0.61
DSI	0.60	−0.24
DTI	0.05	0.81	−0.8
PYR	0.58	−0.27	1	−0.77
GM	0.91	0.88	0.23	0.45	0.21
MP	0.94	0.85	0.30	0.38	0.27	1
YSI	−0.60	0.27	−1	0.77	−1	−0.20	−0.30
MRP	0.91	0.88	0.24	0.44	0.21	0.99	0.99	−0.21
REI	0.90	0.88	0.22	0.45	0.19	0.99	0.99	−0.19	0.99
RDI	−0.58^∗	0.26	−0.99	0.77	−0.99	−0.20	−0.27	0.99	−0.21	−0.19
SSPI	0.77^∗	−0.03	0.95	−0.60	0.95	0.44	0.50	−0.95	0.44	0.42	−0.95

Ypi = yield under nonstress condition, Ysi = yield under stress condition, DSI = drought susceptibility index, DTI = drought tolerance index, PYR = percentage of yield reduction due to drought, GM = geometric mean, MP = mean productivity, YSI = yield stability index, MRP = mean relative performance, REI = relative efficiency index, RDI = relative drought index, SSPI=stress susceptibility percentage index. Significant; highly significant; very highly significant.