TABLE 1

Significant correlation coefficients (r) among traits in an O. rutipogon-derived BC2 testcross population

dthdtmphplpplsppsplgppgplpssgw
Days to heading (dth)
Days to maturity (dtm)0.868
Plant height (ph)0.1390.088
Panicle length (pl)0.2340.1680.683
Panicles per plant (ppl)–0.274–0.195–0.050–0.085
Spikelets per panicle (spp)0.3880.3600.5280.601–0.254
Spikelets per plant (spl)–0.0090.0460.2890.3050.7770.402
Grains per panicle (gpp)0.0580.0780.6150.469–0.0880.6230.329
Grains per plant (gpl)–0.153–0.0820.3990.2810.6810.2760.8350.660
Percent seed set (pss)–0.257–0.2030.2700.0280.110–0.0840.0620.7040.581
1000-grain weight (gw)0.2510.2450.2840.290–0.1120.099–0.056–0.115–0.175–0.244
Grain yield (yld)–0.100–0.0280.4710.3480.6590.3030.8300.6400.9680.5410.043

r = 0.138 at P = 0.05; r = 0.181 at P = 0.01.