Treatment | Apple scab SPAD^{z} | Pear scab SPAD^{z} | ||
---|---|---|---|---|

2014 | 2015 | 2014 | 2015 | |

Water (control) | 24.5a | 27.3a | 29.2a | 32.2a |

Sil-MATRIX (10ml liter of water) | 30.0ab | 32.4ab | 33.8ab | 37.5ab |

Salicylaldehyde | 31.8b | 33.2abc | 34.1abc | 36.4ab |

Fossil (10 ml liter of water) | 34.0b | 37.1bcd | 35.5abc | 34.9a |

Sirius (10 ml liter of water) | 31.2a | 38.8bcd | 36.9bc | 37.2ab |

Rigel (3 ml liter of water) | 36.1b | 39.4cd | 39.9bc | 42.6bc |

Topas (1.5 ml liter of water) | 36.4b | 40.2d | 41.4c | 44.8c |

Treatment | 0.035 | 0.044 | 0.031 | 0.050 |

↵

^{z}Mean of ten randomized complete blocks with one tree per block. Ten leaves per tree were randomly selected throughout the crown for chlorophyll content measurements, and the mean was calculated per tree for statistical purposes.Note: Lowercase letters indicate significant differences between means for each evaluation date by Tukey highly significance test (

*P*= 0.05).