Dynamics of dormancy regulation in ‘Sonata’ strawberry and its relation to flowering and runnering

Table 1 Vegetative and generative development states of ‘Sonata’ plants after exposure to different temperatures and photoperiods for 5 and 10 weeks as indicated

Temperature (°C)	Photoperiod (h)	Duration of treatment (weeks)	No. of leaves plant⁻¹	Leaf area (mm²)^a	Plants with visible floral primordia (%)	Floral development (stage 1–6)	No. of runners plant⁻¹
6	10	5	5.1c^b	22.0d	0.0b	1.4c	1.4de
		10	5.6c	14.5ef	91.7a	3.8b	1.5de
		Mean	5.3	18.2	45.8	2.6	1.5
	18	5	5.3c	21.5de	8.3b	1.5c	1.8cde
		10	5.6c	13.0f	100.0a	4.2b	1.1e
		Mean	5.5	17.2	54.2	2.8	1.4
18	10	5	7.7b	39.6c	100.0a	5.4a	2.8c
		10	12.7a	19.1 def	100.0a	5.9a	2.6cd
		Mean	10.2	29.3	100.0	5.7	2.7
	18	5	7.9b	71.2a	0.0b	1.0c	4.6b
		10	11.3a	59.0b	0.0b	1.0c	8.2a
		Mean	9.6	65.1	0.0	1.0	6.4
Probability level of significance (ANOVA)
Source of variation
Temperature (A)			< 0.001	0.007	n.s	n.s	0.002
Photoperiod (B)			n.s	0.001	< 0.001	< 0.001	< 0.001
A × B			n.s	0.001	< 0.001	< 0.001	< 0.001
Duration of treatment (C)			< 0.001	< 0.001	< 0.001	< 0.001	0.001
C × A			< 0.001	0.008	< 0.001	< 0.001	< 0.001
C × B			0.005	n.s	n.s	n.s	0.001
A × B × C			0.01	n.s	n.s	n.s	< 0.001

The data are means of three replications with four plants each
n.s. not significant
^aLeaf area of the last fully developed leaf
^bMean values within the same column followed by different lower-case letters indicate a significant difference (P < 0.05) between treatments

ISSN: 2662-4044