A grafting project undertaken over 5 years and funded by RIRDC and NSW DPI has confirmed a role for grafted native flower crops in the commercial cut flower industry. Grafted plants can overcome several problems. They may be less susceptible to certain root diseases that would otherwise kill the plant or reduce its performance, cutting short its productive life. Or grafting onto a selected rootstock may provide a more extensive root system, which imparts greater vigour to the shoot and perhaps a greater tolerance of a wider range of soil types, thereby allowing expansion into new production areas. For other flower crops, such as Yellow Bells (Geleznowia verrucosa), where clonal propagation has been difficult (no matter what method is tried) and/or which are difficult to strike on their own roots, grafting offers a way to propagate a superior selection in greater quantities. Grafting can also be used to bring selected species or varieties into flower rapidly and avoid juvenility issues, or it can produce plants with a more manageable habit (such as flowers borne on a lower growing bush).

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