Table 1.

Effects of colchicines (0.25%) treated duration on death rate, and tetraploid induction efficiency in treated cultivars of Fagopyrum tataricum

Cultivar	Duration of treatment (h)	Number of seedlings	Death rate (%)	Tetraploid induction efficiency (%)
Qianwei 2#	48	50	2.00	29.15 D
	72	50	6.00	53.23 A
	96	50	10.00	41.45 BC
Jinku 2#	48	50	2.00	12.13 E
	72	50	4.00	31.24 D
	96	50	6.00	19.35 E
Chuanqiao 1#	48	50	4.00	50.34 B
	72	50	6.00	54.55 A
	96	50	8.00	48.56 B
Liuqiao 1#	48	50	4.00	18.34 E
	72	50	8.00	30.45 D
	96	50	10.00	20.04 E

Death rate was recorded after 2 weeks of colchicines treatment

Different capital letters indicate significance of the difference between two mean values at the p = 0.01 level, as tested by Duncan’s test