Myrtle Rust Fact Sheet

Myrtle Rust Fact Sheet

Myrtle rust was first detected in Queensland in December 2010. It is a serious fungal disease and part of the eucalyptus/guava rust complex. This group of pathogens affects plants belonging to the Myrtaceae family including Australian natives like bottle brush (Callistemon spp.), … Continued
Improved on-farm management of Waratah bud and stem borer

Improved on-farm management of Waratah bud and stem borer

Waratah bud and stem borer causes serious damage to commercially cultivated Waratah bushes (Telopea speciosissima). The larval stage of the insect generally bores into the buds and stems of the plant. Eggs are laid at the axillary region where the … Continued
Two spotted spider mite and resistance

Two spotted spider mite and resistance

The twospotted spider mite, Tetranychus urticae, is one of the most destructive mite species feeding on a wide range of horticultural/ornamental plants grown in greenhouses, including over 300 plant species. Twospotted spider mite is difficult to manage in greenhouses for … Continued
Managing fungus gnats in cut flower crops – Part 2

Managing fungus gnats in cut flower crops – Part 2

Fungus gnats are common insect pests on cut flower farms and can affect a wide range of crops. In our September issue of the Australian Flower Industry, the general biology and cultural management of fungus gnats were discussed. In the … Continued
Investigations into the Causes of Bract Browning in Waratahs

Investigations into the Causes of Bract Browning in Waratahs

Bract browning of waratahs reduces their market value and export potential as a cut flower crop. Many environmental factors such as light, water stress and localised calcium deficiency have been implicated in the  development of bract browning. Potted waratahs of cultivars ‘Olympic Flame’ … Continued
Management of psyllids in NSW Christmas bush plantations

Management of psyllids in NSW Christmas bush plantations

Christmas bush psyllids: • cause economic damage by rolling the young leaves of infested plants; • are difficult to control effectively because they are protected by rolled leaves and have several generations per year; • encourage the growth of sooty … Continued
Research update: Biological control of western flower thrips

Research update: Biological control of western flower thrips

Western flower thrips (WFT) are probably the most important insect pests for the cut flower industry. They cause economic loss to chrysanthemum, gerbera, anthurium, dahlia, rose and other flower crops.It is widely recognised that the control of WFT is difficult … Continued
The basics of pesticide resistance (extract)

The basics of pesticide resistance (extract)

Professor Raymond Cloyd is a research and extension specialist based at Kansas State University, working in the areas of integrated pest management, plant protection, horticultural cropping systems, pesticides and insect-plant interactions. We present an extract from a paper by Professor … Continued