Table 2.

Time taken for total germination to fall to 50% of initial germination (P₅₀) determined using Probit analysis

	P50 (d)
	Control	O2 absorbers	Silica	O2 ab. + Silica
A. githago	2.843 (2.481–3.303)	4.815 (3.444–12.59)	5.159 (3.799–10.38)	5.545 (4.094–10.89)
L. perenne	5.106 (3.563–6.517)	6.563 (5.529–7.572)	6.714 (5.312–8.051)	10.65 (8.835–12.66)
P. sativum	16.08 (14.32–18.25)	18.75 (15.09–27.89)	16.35 (14.95–18.08)	18.01 (16.81–19.59)

Values in parentheses represent lower and upper 95% confidence intervals. Values in bold are significantly different compared to the control seeds based on non-overlapping confidence intervals