Plant Breeding and Biotechnology

Table. 3.

Table. 3. Table 3

Correlation coefficient between growth indexs in the different low-temperature screening experiments.

		25°C/18°C RFW^y)	Exp. 1^z) RFW	Exp. 2		Exp. 3		Exp. 4
		25°C/18°C RFW^y)	Exp. 1^z) RFW	RFW	SFW	RFW	SFW	PH	NoInt	NoL	RFW
Exp. 1	RFW	0.41	-
Exp. 2	RFW	0.25	0.92**	-
	SFW	0.32	0.91**	0.94***	-
Exp. 3	RFW	0.64	0.71*	0.62	0.66	-
	SFW	0.23	0.75*	0.74*	0.77*	0.84**	-
Exp. 4	PH	0.05	0.80*	0.68	0.67	0.53	0.74*	-
	NoInt	-0.02	0.72*	0.62	0.53	0.23	0.45	0.90**	-
	NoL	0.30	0.84**	0.67	0.69	0.41	0.49	0.87**	0.91**	-
	RFW	0.48	0.71*	0.53	0.59	0.37	0.41	0.72*	0.77*	0.92**	-
	SFW	0.13	0.64	0.43	0.47	0.32	0.50	0.90**	0.89**	0.91**	0.87**

^z)Exp. 1: Low-temperature treatment for 3 weeks after seedling excision using 40-port connected tray, Exp. 2: Low-temperature treatment for 6 weeks after seedling excision using 40 port connected tray, Exp. 3: Low-temperature treatment for 6 weeks on non-excised seedling using 40 port connected tray, Exp. 4: Low-temperature treatment for 6 weeks on non-excised seedling using single pot. ^y)RFW: Root fresh weight, SFW: Shoot fresh weight, PH: Plant height, NoInt: Number of internodes, NoL: Number of leaves.

Plant Breed. Biotech. 2022;10:102-14 https://doi.org/10.9787/PBB.2022.10.2.102