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).