Effect of maturation time on dormancy and germination of Citrullus colocynthis (Cucurbitaceae) seeds from the Arabian hyper-arid deserts

Table 3 Final germination percentage of fresh and one-year stored seeds in light (LG) and dark (DG) and some seed traits of the different collections of Citrullus colocynthis

Seed Collection	Storage	LG	DG.	Length (mm)	Width (mm)	Height (mm)	Mass of 50 Seeds (g)	Coat Thickness (mm)
Oct 2014	Fresh	39.7	33.7	0.53	0.34	1.50	0.90	0.17
Dec 2014	Fresh	56.3	91.3	0.57	0.31	1.55	0.93	0.20
March 2015	Fresh	0.0	1.3	0.80	0.42	2.05	2.21	0.31
April 2015	Fresh	46.7	58.0	0.55	0.32	1.62	0.98	0.22
June 2015	Fresh	13.3	42.3	0.78	0.48	2.02	2.38	0.30
Dec 2014	Stored	4.5	1.0	0.80	0.42	2.05	2.21	0.31
March 2015	Stored	42.3	53.3	0.57	0.31	1.55	0.93	0.20
r for DG of fresh seeds				−0.6	−0.58	−0.63	−0.61	−0.55
r for DG of fresh seeds				−0.92*	−0.88*	−0.93*	−0.93*	−0.88*

r = correlation coefficients of the relationships between germination in light and in dark with different seed traits. *: r is significant at P = 0.05

ISSN: 1471-2229