Environmental and genetic regulation of plant height in soybean

BMC Plant Biology

Table 5 Pearson correlation coefficients (r) for relationships among soybean plant height traits, agro-meteorological data, basic soil chemical properties, and additive effects of QTLs in individual environments

	SH	SNN	AIL	*qSHs*	*qSNNs*	*qAILs*
AMaT	0.827**	0.798**	0.602**	0.613**	−0.263**	0.483**
AMiT	ns	ns	0.220**	ns	0.491**	0.252**
AT	0.369**	0.267**	0.472**	0.207**	0.237**	0.411**
EAT	0.368**	0.297**	0.424**	0.244**	0.295**	0.399**
AD	0.821**	0.780**	0.613**	0.591**	−0.318**	0.475**
pH	0.461**	0.595**	0.092*	0.517**	ns	0.176*
AN	0.280**	0.115**	0.463**	ns	−0.203**	0.279**
AP	−0.250**	− 0.415**	0.109**	−0.382**	ns	ns
AK	−0.226**	−0.079*	− 0.374**	ns	0.349**	−0.182**

Note: SH shoot height, SNN stem node number, AIL average internode length, AMaT average maximum temperature, AMiT average minimum temperature, AT accumulated temperature, EAT effective accumulated temperature, AD average day-length, AN available nitrogen, AP available phosphorus, AK available potassium; qSHs, qSNNs and qAILs represent the sum of additive effects of QTL for soybean on shoot height, stem node number and average internode length in single environments; * and ** indicate significant correlations at the 5% (P< 0.05) and 1% (P< 0.01) levels, respectively

ISSN: 1471-2229