Fig. 1

The interaction effect of heat shock, salicylic acid (SA) treatments on root length (a) and PPO; Polyphenol oxidase (b) were evaluated across two strawberry cultivars, ‘Paros’ and ‘Camarosa’. Treatments showing no significant differences are marked with the same letters according to the LSD test (p ≤ 0.05), and values are represented as mean ± standard error.