Table 2
Effect of ReTain, Harvista and SmartFresh treatments on titratable acidity in ‘Jonathan' apples during cold storage

Treatment¹⁾(mg/L)	Titratable acidity (%)
	Storage duration (days)
	At harvest	15	30	45	60	75
Control	0.69±0.09	0.66±0.01^a2)	0.64±0.03^a	0.60±0.01^a	0.56±0.02^b	0.52±0.02^b
ReTain (75)	0.69±0.09	0.64±0.02^a	0.67±0.05^a	0.63±0.03^a	0.62±0.01^a	0.59±0.01^a
Harvista (125)	0.69±0.09	0.62±0.01^a	0.59±0.03^a	0.60±0.01^a	0.59±0.02^b	0.62±0.02^a
Smart Fresh (1)	0.69±0.09	0.64±0.03^a	0.60±0.05^a	0.60±0.04^a	0.59±0.00^b	0.61±0.02^a

Retain, AVG; Harvista, sprayable 1-MCP; SmartFresh, fumigation 1-MCP.
All values are expressed as mean±SD (n=5). Means separation within a column by Duncan's multiple range test (p=0.05).