STELLENBOSCH UNIVERSITY - MARS 2009 - Thèse en ligne : Spatial and temporal distribution of false Codling Moth across Landscapes in the Citrusdal area (Western Cape Province, South Africa) STELLENBOSCH UNIVERSITY - - DEC 2011 - Thèse en ligne : Biological and ecological factors contributing to the successful use of entomopathogenic nematodes (Rhabditida: Steinernematidae and Heterorhabditidae) for the control of codling moth, Cydia pomonell. ENGLISH ABSTRACT: Codling moth, Cydia pomonella (L.)
(Lepidoptera: Tortricidae) is a devastating pest of pome fruit in temperate regions of the world. Control of this pest, previously involved the extensive use of broad-spectrum insecticides. However, concerns over human safety, environmental impact, widespread dispersal of resistant populations of codling moth and the sustainability of synthetic pesticides in agroecosystems, has encouraged the development and use of alternative environmentally-friendly pest management technologies including the use of entomopathogenic nematodes. These nematodes are lethal pathogens of insects and belong to the families Steinernematidae and Heterorhabditidae, and are ideal candidates for incorporation into the integrated pest management programme currently being developed for residue-free pome fruit production in South Africa. STELLENBOSCH UNIVERSITY - JANV 2010 - Thèse en ligne : Key elements in the successful control of diapausing codling moth, Cydia pomonella (Lepidoptera: Tortricidae) in wooden fruit bins with a South African isolate of Heterorhabditis zealandica (Rhabditid.
STELLENBOSCH UNIVERSITY - SEPT 2011 - Thèse en ligne : Efficacy of entomopathogenic nematodes (Rhabditida : Heterorhabditidae and Steinernematidae) against codling moth, Cydia pomonella (Lepidoptera: Tortricidae) in temperate regions. The biocontrol potential of South African isolates of Heterorhabditis zealandica, Steinernema citrae, S. khoisanae, S. yirgalemense, and Steinernema sp., was evaluated against codling moth, Cydia pomonella.
Codling moth was susceptible to all six nematode isolates at a concentration of 50 infective juveniles/insect (78-100% mortality). Low temperatures (10 h at 17ºC; 14 h at 12ºC) negatively affected larvicidal activity (≤3%) for all isolates. All tested isolates were most effective at higher levels of water activity (aw=1). The average aw50-values for all isolates tested was 0.94 (0.93-0.95), except S. khoisanae 0.97 (0.97-0.98). Regarding host-seeking ability, no positive attraction to host cues could be detected amongst isolates, except for H. zealandica. Stellenbosch University - MARS 2011 - Thèse en ligne : Optimization of a mass-rearing system to produce codling moth, Cydia pomonella, for a Sterile Insect Release programme in South Africa.
AGRONOMIE AFRICAINE - 2013 - Etude du comportement de ponte du carpocapse (Cydia pomonella L.) (Lepidoptera ; Tortricidae) sur deux varietes de pommier (Malus domestica BORKH.) Journal of the Southrn African Society for Horticultural Scienmces 12/1998 A century of codling moth control in South Africa : II. current and future status of codling moth management.
Abstract Codling moth control programs around the world are undergoing major changes.
These changes are brought about by a need for more IPM-compatible selective control tactics, resistance development, and regulatory restrictions which threaten to eliminate the use of conventional broad-spectrum insecticides for codling moth control on tree fruits. African Entomology - Mar 2014 - Validation of the Phenology Model for the Codling Moth, Cydia pomonella (Lepidoptera: Tortricidae), in South African Pome Fruit Orchards.