The influence of fungicide and salicylic acid combinations applied as foliar sprays on symptom severity of pear scab (Venturis pirini) on Pyrus communis ‘Williams’ Bon Chrétien.’
| Treatment | Chlorophyll content | Leaf scab symptom severityz | Fruit scab symptom severityz | Fruit yield |
|---|---|---|---|---|
| Water (control) | 26.8a | 3.5d | 2.2e | 10.1a |
| Salicylic acid (SA) | 33.2ab | 1.9bc | 1.3cd | 11.8abc |
| Boscalid + pyradostrobin 0.9 g/L | 42.4cd | 1.0ab | 0.2ab | 13.6bc |
| Boscalid + pyradostrobin 0.9 g/L + SA | 44.5d | 0.5a | 0.0a | 14.0c |
| Boscalid + pyradostrobin 0.6 g/L + SA | 40.8bcd | 1.2abc | 0.8bc | 12.9bc |
| Boscalid + pyradostrobin 0.3 g/L + SA | 35.0bc | 2.0c | 1.8de | 11.5ab |
↵zAll values mean of 80 leaves (10 leaves per tree) and 40 fruits (5 fruits per tree) from 8 randomized complete blocks with a single tree replication per block.
Numbers within a column followed by a common letter are not significantly different according to the Kruskal-Wallis Multiple Comparison Z-test (P ≤ 0.05).