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- Gollnow, Bettina, et al. Show all 3 Authors
- Australian journal of entomology 2008 v.47 no.4 pp. 330-335
- Hemiptera; Trioza; abnormal development; cut flowers; industry; leaves; new species; nymphs; pests; wastes; New South Wales
- ... A new species of Cerotrioza Crawford (Hemiptera: Triozidae) is described, which damages New South Wales Christmas Bush, Ceratopetalum gummiferum, in Australia. Cerotrioza nigromacula sp. n. is considered a serious commercial pest species, of which the nymphs induce malformation of leaves and produce copious amounts of viscous waste, both considered unacceptable in the cut flower industry. The gene ...
- Gollnow, Bettina, et al. Show all 5 Authors
- Acta horticulturae 2003 no.602 pp. 99-102
- Telopea; calcium; cut flowers; environmental factors; growing season; irrigation scheduling; market value; markets; water stress
- ... 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’ and ‘Sunflare’ grown under 50% shade cloth had significantly lower bract browning scores than those grown in fu ...