Impact of Gall Wasp on Waxflower Industry

Impact of Gall Wasp on Waxflower Industry

The gall wasp (Oncastichus goughi) is a tiny, red-eyed, black wasp, less than 2 mm in length, which lays its eggs into the young tips and stems of Geraldton Wax. Gall wasp is native to WA and is not known … Continued
Industry Biosecurity Plan

Industry Biosecurity Plan

Progress is continuing in the development of an Industry Biosecurity Plan (IBP) for the Australian cut flower and foliage industry. The IBP will allow for the formal identification, assessment and prioritisation of the industry’s biosecurity risks and will provide a … Continued
Managing fungus gnats in cut flower crops

Managing fungus gnats in cut flower crops

First in a two part series on the management of fungus gnats.  This article will focus on their biology and the cultural practices which can be used to reduce their populations.
Biocontrol of Western flower thrips in cut flowers

Biocontrol of Western flower thrips in cut flowers

The ability of commercially available thrips predators to reduce western flower thrips (WFT) was examined on gerberas, chrysanthemums and roses. Three foliage predators were found to have the greatest potential to manage WFT. Two predatory mites and a pirate bug reduced thrips numbers … Continued
Tomato yellow leaf curl virus in lisianthus

Tomato yellow leaf curl virus in lisianthus

Tomato yellow leaf curl begomovirus (TYLCV) is a serious virus for the vegetable industry. It can stunt tomato growth and limit yields and has been described as one of the most devastating diseases of cultivated tomato, with losses up to … Continued
Industry Biosecurity Plan update

Industry Biosecurity Plan update

Plant Health Australia’s new program manager leading the Biosecurity Planning and Implementation team is Alison Saunders. She has prior experience in working with the Australian Wildflower Industry R&D Program, so was pleased to learn that biosecurity planning for the cut … Continued
Upper leaf necrosis in oriental lilies: A calcium deficiency disorder

Upper leaf necrosis in oriental lilies: A calcium deficiency disorder

Oriental lily growers, especially growers of Star Gazer, are familiar with upper leaf “burn’. Characterised by curled, distorted or dead upper leaves, the disorder is found in greenhouse-grown Oriental hybrid lilies worldwide. We call this problem “upper leaf necrosis”, or … Continued