Jahed, K. and P.M. Hirst. 2018. Pollen source effects on seed number, fruit quality and return bloom of apple. J. Amer. Pom. Soc. (accepted).
2017
Elsysy, M.A. and P.M. Hirst.. 2017. The role of spur leaves, bourse leaves, and fruit on local flower formation in apple: an approach to understanding biennial bearing. HortScience. 52(9):1229-1232.
Jahed, K. and P.M. Hirst.. 2017. Pollen tube growth and fruit set in apple. HortScience. 52(8):1054-1059.
Marshall-Colon, A., S.P. Long, D.K. Allen, G. Allen, D.A. Beard, B. Benes, A.J. Christensen, D.J. Cox, J.C. Hart, P.M. Hirst, K. Kannan, D.S. Katz, J.P. Lynch, A.J. Millar, B. Panneerselvam, N.D. Price, D. Ralla, R.G. Shekar, S. Shrivastava, D. Shukla, V. Srinivasan, M. Stitt, E.O. Volt, Y. Wang, X. Yin and X.G. Zhu.. 2017. Crops in silico: Generating virtual crops using and integrative and multi-scale modeling platform. Frontiers in Plant Science. Vol. 8. doi: 10.3389/fpls.2017.00786.
Fiser, M., J. Ravi, B. Benes, B. Shi and P. Hirst.. 2017. IMapple: a source-sink developmental model for ‘Golden Delicious’ apple trees. Acta Hort. 1160:51-59.
2016
Franzen, J.B. and P.M. Hirst.. 2016. Optimal pruning of apple and effects on tree architecture, productivity and fruit quality. Acta Hort. 1130: 307-310.
Ravi, J., S.A. Akbar, N. Elfiky, A. Kak, P. Hirst and B. Benes.. 2016. Apple tree scanning and reconstruction using Kinnect. Acta Hort. (in press).
Kang, H., M. Fiser, B. Shi, F. Sheibani, P. Hirst and B. Benes.. 2016. IEEE International Conference on Functional-Structural Plant Growth Modeling Simulation, Visualization and Applications. (FSPMA 2016). P 90-97.
2015
Chandrasekar, V., M.F. San Martin-Gonsalez, P. Hirst and T.S. Ballard.. 2015. Optimizing microwave-assisted extraction of phenolic antioxidants from Red Delicious and Jonathan apple. J. Food Process Eng. 38(6): 571-582.
2014
Hirst, P.M., J. Park, A. Kak, J.R. Schupp, T. Baugher, L. Glenna, A. Patel-Campillo, J. Harper, H.K. Koselka, B. Wallach, and J. Tarara.. 2014. Automated pruning of specialty crops. Acta Hort. (submitted).
Zhang, Q., M. Han, C. Song, X. Song, C. Zhao, H. Liu, P.M. Hirst and D. Zhang.. 2014. Optimizing planting density for production of high-quality apple nursery stock in China. N.Z. J. Crop and Hort. Sci. 43:1-11.
2012
Chun, I.J., W.W. Zheng, C. Choi, Y.Y. Song, I.K. Kwang and P. Hirst.. 2012. Multiple applications of lime sulfur for fruit thinning of ‘Fuji’ and ‘Hongro’ apple trees. J. Bio-Environ. Control. 21(4): 445-451.
Zheng, W.W., M.Y. Park, P. Hirst, T.M. Yoon and I.J. Chun.. 2012. The accumulation of rare earth elements fertilizer and its subsequent effects on apple fruit quality at harvest and during storage. J. Bio-Environ. Control. 21(4): 452-458.
Li, Y. P.M. Hirst, Y.Wan, Y. Liu, Q. Zhou, H. Gao, Y. Guo, Z. Zhao, L. Wang and M. Han.. 2012. Resistance to Marssonina coronaria and Alternaria alternata apple pathotype in the major apple cultivars and rootstocks used in China. HortScience. 47:1-4.
Hoover, E, R. Marini, E. Tepe, W. Autio, A. R. Biggs, J. M. Clements, R. Crassweller, D. Foster, M. Foster, P. Hirst, D. Miller, M. Parker, G. Peck, J. Racsko, T. Robinson, and M. Warmund.. 2012. eApples: A Case Study in Using eXtension.org to Increase Access to Research-Based Information. Hort Technology. 22: 576-579.
2011
Wan, Y., H. Gao, Z. Zhao, Y. Lu, L. Wang, J. Yuan, and P. Hirst.. 2011. An Early Ripening Apple Cultivar ‘Qinyang’. HortScience. 46:660-661.
Robinson, T., D. Wolfe, J. Masabni, R. Andersen, A. Azarenko, J. Freer, G. Reighard. P. Hirst, R. Hayden and B. McCluskey.. 2010. Performance of plum rootstocks with ‘Stanley’, ‘Valor’, ‘Veeblue’ and ‘Santa Rosa’ as the scions in the 1991 NC-140 multi-state plum trial. J. Amer. Pom. Soc. 64:173-182.
Malladi, A. and P.M. Hirst.. 2010. Increase in fruit size of a spontaneous mutant of ‘Gala’ apple (Malus x domestica Borkh) is facilitated by altered cell production and enhanced cell size. J. Exp. Bot. 61: 3003-3013.
Masabni, J., R. Andersen, A. Azarenko, G. Brown, J. Freer, R. Hayden, P. Hirst, B. McCluskey, R. Perry, T. Robinson and D. Wolfe.. 2007. Performance of plum rootstocks with ‘Stanley’, ‘Valor’, and ‘Veeblue’ as the scion in the 1990 NC-140 multi-state plum trial. J. Amer. Pom. Soc. 61: 196-207.
Reighard, G., R. Andersen, J. Anderson, W. Autio, T. Beckman, T. Baker, R. Belding, G. Brown, P. Byers, W. Cowgill, D. Deyton, E. Durner, A. Erb, D. Ferree, A Gaus, R. Godin, R. Hayden, P. Hirst, S. Kadir, M. Kaps, H. Larsen, T. Lindstrom, N. Miles, F. Morrison, S. Myers, D. Ouelette, C. Rom, W. Shane, B. Taylor, K. Taylor, C. Walsh, and M. Warmund.. 2007. Growth and yield of ‘Redhaven’ peach on nineteen rootstocks at twenty North American locations. Acta Hort. 732:271-278.
2006
Marini, R.P., J.L. Andersen, W.R. Autio, B.H. Barritt, J.A. Cline, W.P. Cowgill, R.M. Crassweller, J.M. Garner, A. Gaus, R. Godin, G.M. Greene, C.R. Hampson, P.M. Hirst, M.M. Kushad, J. Masabni, E. Meilke, R. Moran, C.A. Mullins, M.L. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, T.L. Robinson, C.R. Rom, T. Roper, J.R. Schupp, E. Stover.. 2006. Performance of ‘Gala’ trees on 18 dwarfing rootstocks: ten-year summary of the 1994 NC-140 rootstock trial. J. Amer. Pom. Soc. 60(2): 69-83.
2004
Marini, R.P., B.H. Barritt, G.R. Brown, J.A. Cline, W.P. Cowgill, R.M. Crassweller, P.A. Domoto, D.C. Ferree, J.M. Garner, G.M. Greene, C.R. Hampson, P.M. Hirst, M.M. Kushad, J. Masabni, E. Meilke, R. Moran, C.A. Mullins, M.L. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, T.L. Robinson, C.R. Rom, T. Roper, J.R. Schupp, E. Stover. 2004. Performance of ‘Gala’ apple on four semi-dwarf rootstocks: a ten-year summary of the 1994 NC-140 rootstock trial. Eight-year performance of 19 peach rootstocks at 20 locations in North America. J. Amer. Pom. Soc. 58(4):174-202..
Rieghard, G.L., R. Andersen, J. Anderson, W. Autio, T. Beckman, T. Baker, R. Belding, G. Brown, P. Byers, W. Cowgill, D. Deyton, E. Durner, A. Erb, D. Ferree, A. Gaus, R. Godin, R. Hayden, P. Hirst, S. Kadir, M. Kaps, H. Larsen, T. Lindstrom, N. Miles, F. Morrison, S. Myers, D. Ouellette, C. Rom, W. Shane, B. Taylor, K. Taylor, C. Walsh, and M. Warmund.. 2004. Eight-year performance of 19 peach rootstocks at 20 locations in North America. Eight-year performance of 19 peach rootstocks at 20 locations in North America. J. Amer. Pom. Soc. 58(4):174-202..
Robinson, T.L., L. Andersen, A. Azarenko, B.H. Barritt, G.R. Brown, J.A. Cline, R.M. Crassweller, P.A. Domoto, C. Embree, A. Fennell, D.C. Ferree, E. Garcia, A. Gaus, G.M. Greene, C.R. Hampson, P.M. Hirst, E. Hoover, S. Johnson, M.M. Kushad, R. Marini, R. Moran, C.A. Mullins, M.L. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, C.R. Rom, T. Roper, J.R. Schupp, E. Stover.. 2004. Performance of Cornell-Geneva rootstocks across North America in multi-location NC-140 rootstock trials. Acta Hort. 658(1): 241-245.
Shupert, D., A.P. Smith, J. Janick, P.B. Goldsbrough and P.M. Hirst.. 2004. Segregation of scab resistance in three apple populations: molecular marker and phenotypic analysis. HortScience. 39(6): 1183-1184.
Hoover, E., N. De Silva, S. McArtney and P. Hirst.. 2004. Bud development and floral morphogenesis in four apple cultivars. J. Hort Sci and Biotech. 79: 981-984.
2003
Robinson, T., L. Anderson, A. Azarenko, B. Barritt, T. Baugher, G. Brown, G. Couvillon, W. Cowgill, Jr., R. Crassweller, P. Domoto, C. Embree, A. Fennell, E. Garcia, A. Gaus, R. Granger, G. Greene, P. Hirst, E. Hoover, S. Johnson, M. Kushad, R. Moran, C. Mullins, S. Myers, R. Perry, C. Rom, J. Schupp, K. Taylor, M. Warmund, J. Warner, and D. Wolfe.. 2003. Performance of Cornell-Geneva apple rootstocks with ‘Liberty’ as the scion in NC-140 trials across North America. Acta Hort. 662:521-530.
Hirst, P.M.. 2003. Flower bud formation, pollination and fruit set. In: Concise Encyclopedia of Temperate Zone Tree Fruits. Eds: T.A. Baugher and S. Singha. Hawthorn Press, New York..
2002
Hirst, Peter M.. 2002. The apple fruitlet thinning response to carbaryl is unaffected by russet. Hort Technology. 12(1): 75-77.
Autio, W.R., J.L. Anderson, J.A. Barden, G.R. Brown, R.M. Crassweller, P.A. Domoto, W.A. Erb, D.C. Ferree, A. Gaus, P.M. Hirst, C.A. Mullins, and J.R. Schupp.. 2001. Performance of ‘Golden Delicious’, ‘Jonagold’, ‘Empire’, and ‘Rome Beauty’ apple trees on five rootstocks over ten years in the 1990 NC-140 apple cultivar/rootstock trial. J. Amer. Pom. Soc. 55(3):138-145.
Autio, W. R., J. L. Anderson, J. A. Barden, G. R. Brown, R. M. Crassweller, P. A. Domoto, A. Erb, D. C. Ferree, A. Gaus, P. M. Hirst, C. A. Mullins, and J. R. Schupp.. 2001. Location affects performance of ‘Golden Delicious’, ‘Jonagold’, ‘Empire’, and ‘Rome Beauty’ apple trees on five rootstocks over ten years in the 1990 NC-140 cultivar/rootstock trial. J. Amer. Pom. Soc. 55(3):138-145.
Domoto, P.A., W.R. Autio, G.R. Brown, D.C. Ferree, P.M. Hirst, C.A. Mullins and J.R. Schupp.. 2001. Blackheart innjury in ‘Golden Delicious’, ‘Jonagold’, ‘Empire’, and ‘Rome Beauty’ apple trees on five rootstocks over ten years in the 1990 NC-140 cultivar/rootstock trial. J. Amer. Pom. Soc. 55(3):146-153.
Hirst, P.M., W.R. Autio, J.A. Barden, G.R. Brown, R.M. Crassweller, P.A. Domoto and J.R. Schupp.. 2001. Performance of trees in the 1990 NC-140 cultivar/rootstock planting: additional cultivars and rootstocks. J. Amer. Pom. Soc. 55(3):178-184.
McArtney, S.J., E.M. Hoover, P.M. Hirst and I.R. Brooking.. 2001. Seasonal variation in the onset and duration of flower development within apple buds cv. ‘Royal Gala’. J. Hort Sci and Biotech. 76(4): 536-540.
Rieghard, G.L., J.L. Anderson, R. Anderson, W. Autio, T. Beckman, R. Belding, G. Brown, W. Cowgill, D. Deyton, E. Durner, A. Erb, A. Gaus, P. Hirst, M. Kaps, N. Miles, F. Morrison, S. Myers, R. Perry, C.R. Rom, W. Shane, B. Taylor, K. Taylor, C. Walsh, and M. Warmund.. 2001. Five-year performance of 19 peach rootstocks at 20 sites in North America. Acta Hort. 557: 97-102.
Hirst, P.M. and NC-140 cooperators.. 2001. Early performance of ‘Gala’ on 18 dwarf and 4 semi-dwarf rootstocks growing at 24 sites in North America. Acta Hort. 557: 199-205.
Autio, W.R., J.L. Anderson, J.A. Barden, G.R. Brown, R.M. Crassweller, L.D. Tukey, P.A. Domoto, W.A. Erb, F. Morrison, D.C. Ferree, A. Gaus, P.M. Hirst, R.A Hayden, C.A. Mullins, J.R. Schupp.. 2001. Rootstock and scion interact to affect apple tree performance: results from the 1990 NC-140 cultivar/rootstock trial. Acta Hort. 557: 41-46.
2000
Marini, R.P., J.L. Anderson, B.H. Barritt, G.R. Brown, J.A. Cline, W.P. Cowgill, P.A. Domoto, D.C. Ferree, J.M. Garner, G.M. Greene, C.R. Hampson, P.M. Hirst, M.M. Kushad, E. Meilke, C.A. Mullins, M.L. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, T.L. Robinson, C.R. Rom, T. Roper, J.R. Schupp, E. Stover, and C.R. Unrath.. 2000. Performance of ‘Gala’ on four semi-dwarf rootstocks: Five-year summary of the 1994 NC-140 semi-dwarf rootstock trial. J. Amer. Pom. Soc. 54(2):84-91.
Marini, R.P., J.L. Anderson, B.H. W.R. Autio, Barritt, J.A. Cline, W.P. Cowgill, R.M. Crassweller, P.A. Domoto, D.C. Ferree, J.M. Garner, A. Gaus, G.M. Greene, C.R. Hampson, P.M. Hirst, M.M. Kushad, E. Meilke, C.A. Mullins, M.L. Parker, R.L. Perry, J.P. Privé, G.L. Reighard, T.L. Robinson, C.R. Rom, T. Roper, J.R. Schupp, E. Stover, C.R. Unrath.. 2000. Performance of ‘Gala’ on 18 dwarf rootstocks: Five-year summary of the 1994 NC-140 semi-dwarf rootstock trial. J. Amer. Pom. Soc. 54(2):92-107.
Hirst, P.M. and R.R. Flowers.. 2000. Rootstock effects on growth and cell size of ‘Gala’ apple fruit. Acta Hort. 517:189-194.
1996
Hirst, P.M. and D.C. Ferree.. 1996. Effects of rootstock on bud development and flower formation of ‘Starkspur Supreme Delicious’ apple. Fruit Var. J. 50(1):25 34.
Warrington, I.J., C.J. Stanley, D.S. Tustin, P.M. Hirst and W.M. Cashmore.. 1996. Light transmission, yield distribution, and fruit quality in six tree canopy forms of ‘Granny Smith’ apple. J. Tree Fruit Prod. 1 (1):27 54.
1995
Ferree, D.C., P.M. Hirst, J.C. Schmid, and P.E. Dotson.. 1995. Performance of three apple cultivars with 22 dwarfing rootstocks during 8 seasons in Ohio. Fruit Var. J. 49(3):171 178.
Hirst, P.M. and D.C. Ferree.. 1995. Effect of rootstock and cultivar on the growth and precocity of young apple trees. Fruit Var. J. 49(1):34 41.
Hirst, P.M. and D.C. Ferree.. 1995. Rootstock effects on shoot morphology and spur quality of ‘Delicious’ apple and relationships with precocity and productivity. J. Amer. Soc. Hort. Sci. 120(4):622 634.
Hirst, P.M. and D.C. Ferree.. 1995. Rootstock effects on the flowering of ‘Delicious’ apple. I. Bud development. J. Amer. Soc. Hort. Sci. 120(6):1010 1017.
Hirst, P.M. and D.C. Ferree.. 1995. Rootstock effects on the flowering of ‘Delicious’ apple. II. Nutritional effects with special reference to phosphorous. J. Amer. Soc. Hort. Sci. 120(6): 1018¬-1024.
Warrington, I.J., C.J. Stanley, J.F. Julian, D.S. Tustin, P.M. Hirst and W.M. Cashmore.. 1995. . Pruning strategies for restructuring top dominant central leader ‘Granny Smith’ apple trees. N.Z J. Crop. Hort. Sci. 23:315 322.
1992
Tustin, D.S., P.M. Hirst, W.M. Cashmore, I.J. Warrington and C.J. Stanley.. 1992. Spacing and rootstock studies with central leader apple canopies in a high vigour environment. Acta Hort. 349: 169 178. IF not determined.
1990
Hirst, P.M., D.S. Tustin and I.J. Warrington.. 1990. Fruit colour responses of ‘Granny Smith’ apple to variable light environments. N.Z. J. Crop and Hort. Sci. 18:205 214.
1989
Tustin, D.S., P.M. Hirst, I.J. Warrington and C.J. Stanley.. 1989. Light distribution and fruit quality through multi layered trellis apple canopies. Acta Hort. 243:209 212.
1988
Tustin, D.S., P.M. Hirst, and I.J. Warrington.. 1988. Influence of orientation and position of fruiting laterals on canopy light penetration, yield and fruit quality of ‘Granny Smith’ apple. J. Amer. Soc. Hort. Sci. 113(5):693 699.