Figures 11.6


Pie chart showing the possible outcomes of releases of alien phytophagous organisms against invasive plants for the biological control of these weeds.
Figures 11.6. Pie chart showing the possible outcomes of releases of alien phytophagous organisms against invasive plants for the biological control of these weeds.

The data include 72 weed species that have agents introduced and established long enough to permit control assessment. (After Sheppard 1992; based on data from Julien 1992)

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  Anatomy and pollination of a tea-tree flower, Leptospermum (Myrtaceae):