Integrated pest management to protect macadamia plantations

The Macadamia Integrated Pest Management (IPM) program was launched in 2017 to test combinations of biological, cultural and chemical controls on commercial farms and research stations of the Department of Primary Industries (DPI) of NSW. Eight farm trials have been set up in key macadamia growing areas in central Queensland, near Bundaberg, in the Gympie – Glasshouse Mountain area, the Northern Rivers Region, and on the central north coast of NSW, Nambucca Heads / Villa / Macksville.

DPI entomologist Dr. Ruth Huwer This monitoring is an important part of integrated pest management and it is important to identify and understand the pest problem. “We are developing protocols and monitoring strategies to determine the best effectiveness and timing to treat various pests such as macadamia seed weevils and fruit stain beetles,” said Dr. Huwer opposite

“At the DPI Center for Tropical Horticulture in Alstonville, we conducted a small trial to compare IPM options with minimal broad-spectrum pesticide use with conventional treatments. “This enabled us to test chemical best practices as part of the rotation and find the best solution. We have found that where broad spectrum insecticides are mainly used, secondary pests such as dandruff and thrips are more common. “

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