Table 2.

Difference of percentage of chalky grains (PCG) in same populations between Lingshui and Fuyang.

Population	Place	PCG (Mean ± SD)	P-value
P1	Lingshui	36.75 ± 10.79	1.26E-50
	Fuyang	5.59 ± 4.37
P2	Lingshui	36.23 ± 11.54	8.79E-49
	Fuyang	6.78 ± 4.51
P3	Lingshui	38.83 ± 12.73	5.34E-53
	Fuyang	5.17 ± 4.25

P-value was determined by t-test. P < 0.01 indicates extremely significant.