National tomato potato psyllid and zebra chip surveillance

Publication Date

8-3-2023

Publisher

Hort Innovation

City

Sydney

ISBN

978-0-7341-4867-4

Abstract

Tomato potato psyllid (TPP), Bactericera cockerelli, is one of the world’s most destructive horticultural pests. This is because the psyllid acts as a vector for the bacterium Candidatus Liberibacter solanacearum (CLso) which causes Zebra chip disease and psyllid yellows in Solanaceous plants. In 2017 TPP was detected in Western Australia, after establishing in Norfolk Island in 2015, and New Zealand in 2006. The objectives of this project were to determine the status of TPP and CLso across Australia (WA, SA, Tas., Vic., NSW, Qld and NT) in a standardised manner for the horticulture industry. Surveillance occurred over a 3-year period (2019-2022), and targeted under-surveyed regions which were most likely to be the entry and establishment points for TPP; major metropolitan areas. An ‘Adopt-a-trap’ design was utilized to target metropolitan and outer metropolitan gardens throughout capital cities in most states, and regional centres in Western Australia where TPP occurrence in Perth is known. Monitoring for other exotic psyllids, in particular, the Asian citrus psyllid (Diaphorina citri) also occurred during the project. The project distributed 16,885 sticky traps nationwide, and 80.4% (13,590) were returned and assessed for exotic Psylloidea. Outside of Western Australia, no TPP, CLso or other priority exotic psyllid was positively detected. The project did find that TPP had dispersed to the regional areas of Albany, Geraldton and Carnarvon from the Perth metropolitan region in Western Australia, however, no CLso or other exotic psyllid was detected within the state. The project has resulted in a network of expert psyllid entomologists across Australia with reference material of Tomato potato psyllid and Asian citrus psyllid in all major State and Territory biosecurity collections.

Number of Pages

352

Keywords

Bactericera cockerelli, Tomato Potato Psyllid (TPP), Candidatus Liberibacter solanacearum (CLso), National surveillance, Tomato, Potato, Psylloidea, Triozidae, Diaphorina citri, Asian Citrus Psyllid (ACP), Biosecurity

Disciplines

Agricultural Science | Agronomy and Crop Sciences | Bacteriology | Biosecurity | Entomology | Horticulture | Pathogenic Microbiology

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