TABLE 1.

Summary of 13 fruit morphological traits of 12 J. mandshurica populations.

Fruit morphology	Max	Min	R	Mean	SD	CV (%)
Fruit length (mm)	71.2	36.0	35.2	53.0	5.2	9.79
Fruit width (mm)	51.8	25.1	26.7	38.0	3.4	8.85
Index of fruit shape	2.05	0.94	1.11	1.40	0.14	9.81
Fruit weight (g)	55.3	15.3	39.9	31.1	6.8	22.00
Nut vertical diameter (mm)	58.3	27.5	30.8	42.9	4.7	10.92
Nut transverse diameter (mm)	37.0	14.8	22.2	27.3	2.6	9.51
Nut lateral diameter (mm)	38.8	17.3	21.4	27.1	2.7	10.06
Mean diameter (mm)	40.7	24.4	16.3	32.1	2.7	8.26
Index of roundness	0.90	0.42	0.48	0.64	0.07	10.52
Shell thickness	10.5	2.4	8.1	5.7	0.8	13.14
Nut weight (g)	16.7	4.3	12.4	9.4	1.8	19.42
Kernel weight (g)	3.4	0.7	2.7	1.8	0.4	19.89
Kernel rate (%)	28.90	6.26	22.64	19.07	2.73	14.32

CV, covariance efficiency; Max, maximum; Min, minimum; R, range; SD, standard deviation.