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Table 6 Correlation coefficients of grain yield and genetic distance with important agronomic traits on the basis of heterobeltiosis in diploid and autotetraploid rice

From: Analysis on genetic diversification and heterosis in autotetraploid rice

Traits	Grain Yield		Genetic distance
	Diploid	Autotetraploid	Diploid	Autotetraploid
PH	0.040	−0.051	−0.014	0.246
EPN	−0.151	0.541**	−0.253	−0.072
PL	0.005	0.114	−0.180	0.221
TGP	0.178	0.152	−0.256	0.102
GD	0.586**	0.186	0.292	−0.191
GL	−0.097	−0.057	0.064	0.514**
GW	−0.198	0.367*	−0.112	−0.181
L/W	−0.389*	−0.263	−0.009	0.412*
GWT	0.349	0.528**	0.088	0.076

*,** Significantly different from zero at P < 0.05 and P < 0.01, respectively.
See Table 5 for traits abbreviations.

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