SPAD | ||
---|---|---|

Species | July | August |

A. pseudoplatanus ‘Spaethii’ | +2.46a | –5.52a |

A. campestre ‘Louisa Red Shine’ | –1.57a | –3.90a |

A. pseudoplatanus ‘Negenia’ | –2.25a | –3.25a |

A. platanoides ‘Royal Red’ | –3.94a | –3.85a |

A. campestre | –6.36a | –1.22a |

A. platanoides ‘Emerald Queen’ | –4.70a | –7.55a |

A. platanoides ‘Princeton Gold’ | –5.31a | –10.6a |

A. platanoides ‘Drummondii’ | –8.82a | –8.11a |

Numbers within a column followed by a common letter (taken from regression equations [Figure 2]) are not significantly different according to Tukey’s honest significance test (

*P*= 0.05).