Table 3.

Correlation analysis between enzyme activity and starch accumulation rate in three hulless barley cultivars at grain filling

Enzyme	Cultivar	Amylose accumulation rate	Amylopectin accumulation rate	Starch accumulation rate
AGPP	Ganken 5	–	0.878**	0.878**
	Beiqing 6	0.829*	0.983**	0.925**
	Kunlun 12	0.668	0.934**	0.871*
SSS	Ganken 5	–	0.857*	0.857*
	Beiqing 6	0.556	0.848*	0.838*
	Kunlun 12	0.57	0.886**	0.841*
GBSS	Ganken 5	–	0.952**	0.592**
	Beiqing 6	0.748*	0.854*	0.924**
	Kunlun 12	0.751*	0.993**	0.970**
SBE	Ganken 5	–	–	–
	Beiqing 6	0.765*	0.878**	0.935**
	Kunlun 12	0.760*	0.966**	0.944**

* and ** indicate significance at the 0.05 and 0.01 probability levels, respectively