Table 1 Effect of PGRs on tuber dormancy period, sprout length and weight loss of six potato genotypes in relation to endogenous changes occurred in starch, sucrose, fructose and glucose contents of tuber.

Factors	DP (days)	SL (mm)	WL (%)	Starch (%)	Sucrose (%)	Fructose (%)	Glucose (%)
Treatment (T) (mg L⁻¹)
Control	27.9a	1.36f	1.95e	11.76a	0.80e	0.214d	0.741d
BAP 90	21.3d	1.64d	2.03c	11.59b	0.86b	0.228b	0.780b
BAP 60	18.4f	1.76c	2.17a	11.07e	0.93a	0.257a	0.864a
BAP 30	24.5b	1.54e	1.98d	11.49c	0.82cde	0.216cd	0.764c
GA₃ 30	22.9c	1.82c	0.88d	11.38d	0.81de	0.215d	0.746d
GA₃ 20	20.3e	2.05a	2.07b	10.91f	0.83c	0.220c	0.763c
GA₃ 10	22.8c	1.92b	2.01c	11.50c	0.83cd	0.221c	0.766bc
LSD T (P ≤ 0.05)	0.58	0.082	0.022	0.064	0.016	0.004	0.014
Genotype (G)
FD8-1	30.9a	0.9e	1.71e	14.92b	0.87d	0.21d	0.82d
FD69-1	29.6b	1.1d	1.79d	14.68a	0.92c	0.23c	0.84c
FD73-49	21.5d	1.7b	2.15b	11.45c	0.50f	0.12f	0.45f
Sante	22.6c	1.6c	2.10c	10.71d	1.01b	0.29b	0.92b
PRI Red	13.7f	3.4a	2.23a	7.81f	1.08a	0.32a	1.00a
FD51-5	17.1e	1.7bc	2.15b	8.73e	0.65e	0.14e	0.59e
LSD G (P ≤ 0.05)	0.53	0.077	0.020	0.060	0.015	0.004	0.013
Storage period (SP)
Week 1	0.0b	0.00b	0.00b	12.17a	0.35b	0.09b	0.32b
Week 3	45.1a	3.47a	4.05a	10.61b	1.33a	0.35a	1.22a
LSD SP (P ≤ 0.05)	0.31	0.044	0.012	0.034	0.008	0.002	0.007
LSD T × G (P ≤ 0.05)	1.41	0.203	0.053	0.159	NS	NS	NS
LSD T × SP (P ≤ 0.05)	0.82	0.117	0.031	0.056	0.023	0.006	0.020
LSD G × SP (P ≤ 0.05)	0.76	0.108	0.029	0.051	0.021	0.006	0.019
LSD T × G × SP (P ≤ 0.05)	1.99	0.287	0.075	0.225	NS	NS	NS

NS non-significant at P ≤ 0.05. Treatment means sharing the same letter are non-significantly different. LSD is the least significant difference.
DP dormancy period, SL sprout length, WL weight loss.

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