Bark Borers and their Kin in Macadamias

by Schalk Schoeman, Rersearch Extension Manager, SAMAC The polyphagous shot hole borer was positively identified on macadamias in the South Coast during March this year. Various bark borer species were observed on macadamias since 2014 and their incidence has been increasing every year since then. This situation is not unique and other countries with subtropical […]

Bloesemroes op Macadamia

The summer rains came early this season but the rain also brought a reason for great concern for the macadamia growers in the form of possible flower diseases.  Flowering this season was extremely good, but the rain came at a time when many flowers were only a few days (5-10 days) past the full bloom […]

Motboorderkompleks op Macadamia

The economic importance of the moth complex is often vastly underestimated as growers often tend to only take notice of the direct kernel damage reported by various kernel processing facilities. Typically, this type of damage seldom exceeds 5% which is accepted as a general action threshold in lieu of a more scientifically based value. The […]