Figure 2

Electrolyte conductivity (a) and proline content (b) as affected by different heat treatment days in seedlings of two hot pepper cultivars grown in 42 °C. Vertical bars represent standard deviation (n = 3). NS, *, ** and *** indicate not significant and significant at the P < 0.05, P < 0.01 and P < 0.001 levels in t-test, respectively.