growth

Response to reduced irradiance of 15 Species of native and adventive shrub and tree seedlings from eastern Canterbury

Seedlings of fifteen species of shrubs and small trees, commonly found in open sites and early stages of secondary succession, were grown in a glasshouse under light intensities of 16% and 66% full daylight, and their growth parameters (height, number of leaves, dry weight, mean relative growth rate) recorded. Three species from open habitats, Coprosma robusta and Dodonaea viscosa, and an adventive shrub, Crataegus monogyna, had the highest mean relative growth rates in 66% daylight and 16% daylight, but their ranking for other parameters (e.g. height) was variable.

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