Table 1.

Correlation coefficients among traits related to submergence tolerance in the whole BC population in 2000 (top part) and between nine BC lines showing most submergence tolerance during 2000 compared with a similar test conducted in 2001 (bottom part)

	PE	PPE
PPS	–0·03	0·01
PE		0·87**
	PPS 2001	RPE 2001	PE 2000	PE 2001	LS 2001
PPS 2000	0·67**	–0·46*	0·18	–0·49*	0·64**
PPS 2001		–0·14	0·14	–0·06	0·64**
RPE 2001			0·07	0·87**	0·02
PE 2000				–0·03	0·18
PE 2001					–0·09

For descriptions of traits, see Materials and Methods.

PPS, Percentage plant survival; PE, plant elongation; RPE, relative plant elongation under submergence; LS, leaf senescence.

* and **, significant effect at P = 0·05 and 0·01, respectively.