Staff Profile

Dr Grant Thorp
Senior Scientist

More information about our research

Dr Grant Thorp


BSc, Botany, The University of Auckland, New Zealand
PhD, Horticultural Science, The University of Adelaide, Australia

Research Interests & Activities

Working with industry to research and provide solutions for growers to obtain cost-effective and sustainable increases in yield and product quality. Key areas of expertise include tree architecture and orchard systems design for almond, avocado, kiwifruit and macadamia. Canopy management and influence of cultural practices on preharvest and postharvest fruit quality. Rootstock and root system effects on plant growth and productivity in kiwifruit and apple. Alternate bearing in avocado. Production and quality of kiwiberry (Actinidia arguta). International aid and development projects.

Honours & Awards

2017 New Zealand Prime Minister's Science Prize
2008 ISAT Science and Technology Linkages Award
2002 HortResearch Chairman’s Award for Outstanding Achievement
1995 NZ Horticultural Science Advancement Trust Award
1995 NZ/USA Cooperative Science Program Award
1993 Travel Award, NZ Fruitgrowers’ Federation Charitable Trust
1990 Australian Postgraduate Research Award
1989 DSIR Study Award and Queen Elizabeth II Technicians Study Award
1987 Lincoln College Foundation Award, Lincoln College
1987 Clark/Fletcher Memorial Bursary, NZ Fruitgrowers’ Federation
1985 CIES Scholarship, French Government

Professional Memberships

Foundation member, NZ Society for Horticultural Science (now NZIAHS)
Member, International Society for Horticultural Science (ISHS)

Key Publications

Wang M, White N, Hofman H, Grimm V, Doley D, Thorp TG, Cribb B, Wherritt E, Han L, Wilkie J and Hanan J. 2018. Pattern-Oriented Modelling of Plant Architecture: a Novel Way to Verify and Validate Functional-Structural Plant Models. Annals of Botany 121: 941–959.
Minchin PEH, Thorp TG, Boldingh HL, Gould N, Cooney JM, Negm FB, Focht E, Arpaia ML, Hu H, Brown P. 2012. Mechanism for phloem transport of boron in avocado trees. Journal of Horticultural Science and Biotechnology 87 (1): 23–28.
Seleznyova AN, Tustin DS and Thorp TG 2008. Apple dwarfing rootstocks and interstocks affect the type of growth units produced during the annual growth cycle: precocious transition to flowering affects the composition and vigour of annual shoots. Annals of Botany: 101 (5) April: 679-688.
Thorp TG, Boyd LM, Barnett AM, Lowe RG, Hofstee BJ, Blattman PJ, Clearwater MJ 2007. Effect of inter-specific rootstocks on inorganic nutrient concentrations and fruit quality in 'Hort16A' kiwifruit (Actinidia chinensis Planch. var. chinensis) Journal of Horticultural Science & Biotechnology 82(6): 829-838.
Thorp TG, Barnett AM and Miller SA 2003. Effects of cane size and pruning system on shoot growth, flowering and productivity of ‘Hayward’ kiwifruit vines. Journal of Horticultural Science and Biotechnology 78 (2): 219-224.
Seleznyova AN, Thorp TG, Barnett AM, Costes E 2002. Quantitative analysis of shoot development and branching patterns in Actinidia. Annals of Botany 89: 471-482.
Thorp TG, Aspinall D and Sedgley M 1994. Preformation of node number in vegetative and reproductive proleptic shoot modules of Persea (Lauraceae). Annals of Botany 73 (1): 13-22.

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