| Kauri (Agathis australis) under threat from Phytophthora RE Beever, NW Waipara, TD Ramsfield, MA Dick, IJ Horner Phytophthoras in forests and natural ecosystems 74, 74-85, 2009 | 109 | 2009 |
| Phytophthora agathidicida: research progress, cultural perspectives and knowledge gaps in the control and management of kauri dieback in New Zealand RE Bradshaw, SE Bellgard, A Black, BR Burns, ML Gerth, RL McDougal, ... Plant Pathology 69 (1), 3-16, 2020 | 91 | 2020 |
| Surveillance methods to determine tree health distribution of kauri dieback disease and associated pathogens NW Waipara, S Hill, LMW Hill, EG Hough, IJ Horner New Zealand Plant Protection 66, 235-241, 2013 | 86 | 2013 |
| Phytophthora kernoviae in New Zealand TD Ramsfield, MA Dick, RE Beever, IJ Horner, MJ McAlonan, CF Hill Proceedings of the 4th Meeting of the IUFRO Working Party 7 (09), 47-53, 2009 | 37 | 2009 |
| Pathogenicity of four Phytophthora species on kauri in vitro and glasshouse trials IJ Horner, EG Hough New Zealand Plant Protection 67, 54-59, 2014 | 31 | 2014 |
| Phosphorous acid for controlling Phytophthora taxon Agathis in kauri glasshouse trials IJ Horner, EG Hough New Zealand Plant Protection 66, 242-248, 2013 | 31 | 2013 |
| Ingestion of infected roots by feral pigs provides a minor vector pathway for kauri dieback disease Phytophthora agathidicida IE Bassett, IJ Horner, EG Hough, FM Wolber, B Egeter, MC Stanley, ... Forestry: An International Journal of Forest Research 90 (5), 640-648, 2017 | 30 | 2017 |
| Forest efficacy trials on phosphite for control of kauri dieback IJ Horner, EG Hough, MB Horner New Zealand Plant Protection 68, 7-12, 2015 | 26 | 2015 |
| Spatial distribution of Phytophthora cactorum in New York apple orchard soils. IJ Horner, WF Wilcox Population 122, 32, 1996 | 26 | 1996 |
| The effect of Trichoderma bio-inoculants on specific apple replant disease (SARD) symptoms in apple rootstocks in New Zealand DRW Kandula, EE Jones, IJ Horner, A Stewart Australasian Plant Pathology 39, 312-318, 2010 | 19 | 2010 |
| Phytophthora cinnamomi in New Zealand’s indigenous forests PR Johnston, IJ Horner, RE Beever Phytophthora in Forests and Natural Ecosystems. 2nd International IUFRO …, 2003 | 18 | 2003 |
| Autumnapplied urea and other compounds to suppress Venturia inaequalis ascospore production RM Beresford, IJ Horner, PN Wood New Zealand Plant Protection 53, 387-392, 2000 | 18 | 2000 |
| Integrated Fruit Production (IFP) for New Zealand pipfruit: evaluation of disease management in a pilot programme DWL Manktelow, RM Beresford, AJ Hodson, JTS Walker, TA Batchelor, ... Proceedings of the New Zealand Plant Protection Conference 50, 252-257, 1997 | 18 | 1997 |
| Detection of Phytophthora taxon Agathis (PTA) RE Beever, SE Bellgard, MA Dick, IJ Horner, TD Ramsfield Report for Ministry for Agriculture & Forestry, Biosecurity New Zealand on …, 2010 | 17 | 2010 |
| Armillaria root disease of Pinus radiata in New Zealand. 1: Basidiospore dispersal IA Hood, IJ Horner, JF Gardner, CJ Sandberg New Zealand Journal of Forestry Science 32 (1), 94-102, 2002 | 17 | 2002 |
| Temporal changes in activity and dormant spore populations of Phytophthora cactorum in New York apple orchard soils IJ Horner, WF Wilcox Phytopathology 86 (10), 1133-1139, 1996 | 17 | 1996 |
| Influence of leaf age on infection of Actinidia species by Pseudomonas syringae pv actinidiae JL Tyson, IJ Horner, CL Curtis, A Blackmore, MA Manning New Zealand Plant Protection 68, 328-331, 2015 | 16 | 2015 |
| Aerial surveillance to detect kauri dieback in New Zealand A Jamieson, IE Bassett, LMW Hill, S Hill, A Davis, NW Waipara, EG Hough, ... New Zealand Plant Protection 67, 60-65, 2014 | 16 | 2014 |
| SADAMCAP, a technique for quantifying populations of Phytophthora cactorum in apple orchard soils IJ Horner, WF Wilcox Phytopathology 85 (11), 1400-1408, 1995 | 13 | 1995 |
| The role of Phytophthora cinnamomi and other fungal pathogens in the establishment of kauri and kahikatea IJ Horner Botany)--University of Auckland, 1984 | 13 | 1984 |
