Disease index Disease incidence
    May June Aug. Sep. May June Aug. Sep.
Soluble sugar content r 0.053 -0.133 -0.352 -0.251 0.094 -0.133 -0.386 -0.286
P 0.784 0.501 0.061 0.189 0.626 0.493 0.039* 0.133
Total phenolic content r 0.271 0.234 0.234 0.234 0.242 0.213 0.190 0.195
P 0.155 0.222 0.205 0.223 0.205 0.268 0.324 0.311
Note: r values represent the correlation coefficients between the contents of soluble sugar or total phenols of the pear leaves and scab resistance in all 29 cultivars, positive values represent positive correlations, whereas negative values represent negative correlations; *Pīš¤0.05 indicates significant correlations between the contents of soluble sugar or total phenols in the pear leaves of all 29 cultivars and scab resistance
Table 6: The correlation between the contents of soluble sugar and total phenols contents of pear leaves and pear scab resistance in all 29 cultivars evaluated.