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
There is currently much concern in the industry regarding flower shipment rejections by the USA due to insect contaminations, with particular reference to thryptomene and waxflower from Australia. A workshop was held to determine strategies to reduce United States Department of Agriculture … Continued
Two species of caterpillars Conogethes pluto Butler and Conogethes punctiferalis (Lepidoptera: Pyralidae) have become major pests of Alpinia and other ornamental gingers in the Northern Territory (NT) and Queensland, Australia. These pests damage the flowers and bore into and kill … Continued
The University of Queensland’s Centre for Native Floriculture is continuing its examination of the causes of the browning in Backhousia.
The majority of Australian grown wildflowers are exported. All countries have controls, regulations and inspections of fresh plant materials transported into their territory. The United States Department of Agriculture inspects flowers exported from Australia into USA, and any shipments found to … Continued
The use of a new group of chemical attractants to aid early identification of thrips infestations in greenhouse crops is the goal of research being undertaken by an international science collaboration.
Elsinoe scab of South African Proteaceae is caused by Elsinoe spp. The disease causes scabby lesions on stems, leaves and flower heads and heavy infection can cause twisting or splitting of stems. Symptoms vary from species to species and among cultivars … Continued
“Safer and effective disinfestation is our goal,” says insect expert Kees van Epenhuijsen. “We look for chemicals that will kill pests but have minimal effect on the people using them and the environment.”
Myrtle rust is a disease limited to plants in the Myrtaceae family. This plant disease is a member of the guava rust complex caused by Puccinia psidii, a known significant pathogen of Myrtaceae plants outside Australia.
Planting instructions, pests and diseases.