The sterilisation rate of fruit flies has been boosted at the Port Augusta-based national facility with the installation of an additional X-ray irradiator at the site.

Horticultural growers in the Northern Adelaide Plains are being encouraged to strengthen their on-farm biosecurity arrangements through a new jointly funded State Government and horticulture industry initiative.

Glossop High School is set to receive a $17.2 million redevelopment funding boost to bring together its two campuses and create capacity to house 800 Year 7 to 12 students.