Exposure to 0C for only 1 day, followed by
transfer to 20C for 4 days, caused CI symptoms
on 100%. of the packaged sweet basil
(Fig. 2). Short-term exposures to 2.5C also
induced CI, although the rate of symptom
expression was less than at 0C (Fig. 2). Three
days of exposure at 5C were required before
symptom development limited the salability
of the basil. Symptoms developed only after 3
days of exposure to 7.5 or 10C, and affected
only 8% of the packages in both cases (Fig. 2).
No further lesions developed after transfer to
20C. However, slightly sunken or discolored
regions continued to degenerate until the affected
area was completely necrotic.