Staff Profile:Professor Paul Hadley

Name:

Professor Paul Hadley

Job Title:

Professor

Responsibilities:

Areas of Interest:

Teaching:
Horticultural crop physiology
Vegetable production
Controlled environment technology
Protected vegetable production
Tropical horticulture
Environmental physiology of cocoa
Organic & sustainable horticulture

Research Interests:
Environmental regulation of growth, development & yield of crop plants.
Research on the effects of temperature & light on the growth & development of field grown & protected horticultural crops.
Development of quantitative models to predict flowering of crop plants in relation to temperature & light. Prediction of maturity & yield of field & protected crops in relation to climate.
Collaborative research on crop growth & development in relation to global climate change.
Research on cocoa (Theobroma cacao) with research links in Malaysia, Brazil & Trinidad. Provision of cocoa germplasm for improvement programmes, worldwide. Development of the international cocoa germplasm database.
Collaborative research on the growth of crops in response to greenhouse energy saving techniques.
Collaborative research on the development of novel cladding materials for greenhouses with the departments of Chemistry & Engineering.

Collaborative Links:
Horticulture Research International
Cocoa Research Unit, University of West Indies, Trinidad
Malaysian Cocoa Board

Current Research Projects:
Cocoa quarantine project
Investigating the use of modified atmosphere packaging to extend flower vase life
International Cocoa Germplasm Database
Efficient use of lighting in bedding plant production
Multiplication and distribution of cocoa germplasm
Information exchange

Research groups / Centres:

Centre for Horticulture & Landscape

Publications:

Y

Jump to: 2019 | 2018 | 2017 | 2016 | 2015 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002

Number of items: 64.

2019

• Lahive, F., Hadley, P. and Daymond, A. J. (2019) The physiological responses of cacao to the environment and the implications for climate change resilience. A review. Agronomy for Sustainable Development, 39 (1). 5. ISSN 1774-0746 doi: https://doi.org/10.1007/s13593-018-0552-0
• Acheampong, K., Daymond, A. J., Adu-Yeboah, P. and Hadley, P. (2019) Improving field establishment of cacao (Theobroma cacao) through mulching, irrigation and shading. Experimental Agriculture. ISSN 0014-4797 doi: https://doi.org/10.1017/S0014479718000479

2018

• Lu, F., Rodriguez Garcia, J., Van Damme, I., Westwood, N. J., Shaw, L., Robinson, J. S., Warren, G., Chatzifragkou, A., McQueen Mason, S., Gomez, L., Faas, L., Balcombe, K., Srinivasan, C., Picchioni, F., Hadley, P. and Charalampopoulos, D. (2018) Valorisation strategies for cocoa pod husk and its fractions. Current Opinion in Green and Sustainable Chemistry, 14. pp. 80-88. ISSN 2452-2236 doi: https://doi.org/10.1016/j.cogsc.2018.07.007
• Kemp, S., Hadley, P. and Blanusa, T. (2018) The influence of plant type on green roof rainfall retention. Urban Ecosystems. ISSN 1083-8155 doi: https://doi.org/10.1007/s11252-018-0822-2
• Lahive, F., Hadley, P. and Daymond, A. J. (2018) The impact of elevated CO2 and water deficit stress on growth and photosynthesis of juvenile cacao (Theobroma cacao L.). Photosynthetica, 56 (3). pp. 911-920. ISSN 1573-9058 doi: https://doi.org/10.1007/s11099-017-0743-y

2017

• Kemp, S., Blanusa, T. and Hadley, P. (2017) Greywater impact on green roofs’ provision of ecosystem services. Acta Horticulturae, 1189 (103). pp. 513-518. ISSN 0567-7572 doi: https://doi.org/10.17660/ActaHortic.2017.1189.103
• End, M., Daymond, A. and Hadley, P. (2017) Technical guidelines for the safe movement of cacao germplasm. Bioversity International, pp89. ISBN 9789292550790
• Martinez-Luscher, J., Hadley, P., Ordidge, M., Xu, X. and Luedeling, E. (2017) Delayed chilling appears to counteract flowering advances of apricot in southern UK. Agricultural and Forest Meteorology, 237-238. pp. 209-218. ISSN 0168-1923 doi: https://doi.org/10.1016/j.agrformet.2017.02.017
• Awudzi, G. K., Cudjoe, A. R., Hadley, P., Hatcher, P. E. and Daymond, A. J. (2017) Optimising mirid control on cocoa farms through complementary monitoring systems. Journal of Applied Entomology, 141 (4). pp. 247-255. ISSN 1439-0418 doi: https://doi.org/10.1111/jen.12332
• Vaz Monteiro, M., Blanusa, T., Verhoef, A., Richardson, M., Hadley, P. and Cameron, R. W. F. (2017) Functional green roofs: importance of plant choice in maximising summertime environmental cooling and substrate insulation potential. Energy and Buildings, 141. pp. 56-68. ISSN 0378-7788 doi: https://doi.org/10.1016/j.enbuild.2017.02.011

2016

• Vaz Monteiro, M., Blanusa, T., Verhoef, A., Hadley, P. and Cameron, R. W. F. (2016) Relative importance of transpiration rate and leaf morphological traits for the regulation of leaf temperature. Australian Journal of Botany, 64 (1). pp. 32-44. ISSN 0067-1924 doi: https://doi.org/10.1071/BT15198
• Casebow, R., Hadley, P., Uppal, R., Addisu, M., Loddo, S., Kowalski, A., Griffiths, S. and Gooding, M. (2016) Reduced height (Rht) alleles affect wheat grain quality. PLOS ONE, 11 (5). e0156056. ISSN 1932-6203 doi: https://doi.org/10.1371/journal.pone.0156056
• Awudzi, G. K., Asamoah, M., Owusu-Ansah, F., Hadley, P., Hatcher, P. E. and Daymond, A. J. (2016) Knowledge and perception of Ghanaian cocoa farmers on mirid control and their willingness to use forecasting systems. International Journal of Tropical Insect Science, 36 (1). pp. 22-31. ISSN 1742-7584 doi: https://doi.org/10.1017/S1742758415000247
• Thomsit-Ireland, F., Blanusa, T., Essah, E. and Hadley, P. (2016) Controlling ivy attachment to wall surfaces by applying paints, metal meshes and sheets. Journal of Living Architecture, 3 (1). pp. 1-14.

2015

• Acheampong, K., Hadley, P., Daymond, A. J. and Adu-Yeboah, P. (2015) The influence of shade and organic fertilizer treatments on the physiology and establishment of Theobroma cacao clones. American Journal of Experimental Agriculture, 6 (6). pp. 347-360. ISSN 2231-0606 doi: https://doi.org/10.9734/AJEA/2015/15206

2013

• Mahendra, V., Davis, F. J., Hadley, P. and Gilbert, A. (2013) The design of UV absorbing systems for horticultural applications. ISRN Materials Science, 2013. 604132. ISSN 2090-6099 doi: https://doi.org/10.1155/2013/604132
• Tricker, P. J., Rodríguez López, C. M., Gibbings, G., Hadley, P. and Wilkinson, M. J. (2013) Transgenerational, dynamic methylation of stomata genes in response to low relative humidity. International Journal of Molecular Sciences, 14 (4). pp. 6674-6689. ISSN 1422-0067 doi: https://doi.org/10.3390/ijms14046674
• Acheampong, K., Hadley, P. and Daymond, A. (2013) Photosynthetic activity and early growth of four Cacao genotypes as influenced by different shade regimes under West African dry and wet season conditions. Experimental Agriculture, 49 (1). pp. 31-42. ISSN 0014-4797 doi: https://doi.org/10.1017/S0014479712001007

2012

• Ordidge, M., Garcia-Macias, P., Battey, N.H., Gordon, M.H., John, P., Lovegrove, J.A., Vysini, E., Wagstaffe, A. and Hadley, P. (2012) Development of colour and firmness in strawberry crops is UV light sensitive, but colour is not a good predictor of several quality parameters. Journal of the Science of Food and Agriculture, 92 (8). pp. 1597-1604. ISSN 0022-5142 doi: https://doi.org/10.1002/jsfa.4744
• Tricker, P., Gibbings, J.G., López, C. M. R., Hadley, P. and Wilkinson, M. J. (2012) Low relative humidity triggers RNA-directed de novo DNA methylation and suppression of genes controlling stomatal development. Journal of Experimental Botany, 63 (10). pp. 3799-3813. ISSN 0022-0957 doi: https://doi.org/10.1093/jxb/ers076

2011

• Daymond, A. and Hadley, P. (2011) Analysis of physiological data from the International Clonal Trial (CFC). In: Eskes, B. (ed.) Collaborative and Participatory Approaches to Cocoa Improvement. Common Fund for Commodities, pp. 142-150. ISBN 9789290438847
• Daymond, A., Tricker, P. and Hadley, P. (2011) Genotypic variation in photosynthesis in cacao is correlated with stomatal conductance and leaf nitrogen. Biologia Plantarum, 55 (1). pp. 99-104. ISSN 0006-3134
• Tsormpatsidis, E., Ordidge, M., Henbest, R. G. C., Wagstaffe, A., Battey, N. H. and Hadley, P. (2011) Harvesting fruit of equivalent chronological age and fruit position shows individual effects of UV radiation on aspects of the strawberry ripening process. Environmental and Experimental Botany, 74. pp. 178-185. ISSN 0098-8472 doi: https://doi.org/10.1016/j.envexpbot.2011.05.017
• van Emden, H. F. and Hadley, P. (2011) Plastic films for polytunnels can prolong the effective residual life of cypermethrin to over 6 months. Journal of Horticultural Science & Biotechnology, 86 (2). pp. 196-200. ISSN 1462-0316

2010

• Wade, A. S. I., Asase, A., Hadley, P., Mason, J., Ofori-Frimpong, K., Preece, D., Spring, N. and Norris, K. (2010) Management strategies for maximizing carbon storage and tree species diversity in cocoa-growing landscapes. Agriculture Ecosystems & Environment, 138 (3-4). pp. 324-334. ISSN 0167-8809 doi: https://doi.org/10.1016/j.agee.2010.06.007
• Ordidge, M., García-Macías, P., Battey, N. H., Gordon, M. H., Hadley, P., John, P., Lovegrove, J. A., Vysini, E. and Wagstaffe, A. (2010) Phenolic contents of lettuce, strawberry, raspberry, and blueberry crops cultivated under plastic films varying in ultraviolet transparency. Food Chemistry, 119 (3). pp. 1224-1227. ISSN 0308-8146 doi: https://doi.org/10.1016/j.foodchem.2009.08.039
• Daymond, A., Tricker, P. and Hadley, P. (2010) Genotypic variation in photosynthetic and leaf traits in cocoa. In: 16th International Cocoa Research Conference, November 2009, Bali.
• Staley, J. T., Stewart-Jones, A., Pope, T. W., Wright, D. J., Leather, S. R., Hadley, P., Rossiter, J. T., van Emden, H. F. and Poppy, G. M. (2010) Varying responses of insect herbivores to altered plant chemistry under organic and conventional treatments. Proceedings of the Royal Society B-Biological Sciences, 277 (1682). pp. 779-786. ISSN 1471-2954 doi: https://doi.org/10.1098/rspb.2009.1631
• Tsormpatsidis, E., Henbest, R. G. C., Battey, N. H. and Hadley, P. (2010) The influence of ultraviolet radiation on growth, photosynthesis and phenolic levels of green and red lettuce: potential for exploiting effects of ultraviolet radiation in a production system. Annals of Applied Biology, 157 (3). pp. 357-366. ISSN 0003-4746 doi: https://doi.org/10.1111/j.1744-7348.2010.00393.x
• Turnbull, C. J., Daymond, A. J., Lake, H., Main, B. E., Radha, K., Cryer, N. C., End, M. J. and Hadley, P. (2010) The role of the international cocoa germplasm database and the international cocoa quarantine centre in information management and distribution of cocoa genetic resources. In: 16th International Cocoa Research Conference, November 2009, Bali.

2009

• Harwood, T. D. and Hadley, P. D. (2009) HDC poinsettia tracker: flexible graphical tracking software. Computers and Electronics in Agriculture, 66 (2). pp. 215-217. ISSN 0168-1699 doi: https://doi.org/10.1016/j.compag.2009.01.009

2008

• Daymond, A. J. and Hadley, P. (2008) Differential effects of temperature on fruit development and bean quality of contrasting genotypes of cacao (Theobroma cacao). Annals of Applied Biology, 153 (2). pp. 175-185. ISSN 0003-4746 doi: https://doi.org/10.1111/j.1744-7348.2008.00246.x
• Tsormpatsidis, E., Henbest, R. G. C., Davis, F. J., Battey, N. H., Hadley, P. and Wagstaffe, A. (2008) UV irradiance as a major influence on growth, development and secondary products of commercial importance in Lollo Rosso lettuce 'Revolution' grown under polyethylene films. Environmental and Experimental Botany, 63 (1-3). pp. 232-239. ISSN 0098-8472 doi: https://doi.org/10.1016/j.envexpbot.2007.12.002

2007

• Garcia Macias, P., Ordidge, M., Vysini, E., Waroonphan, S., Battey, N.H., Gordon, M.H., Hadley, P., John, P., Lovegrove, J.A. and Wagstaffe, A. (2007) Changes in the flavonoid and phenolic acid contents and antioxidant activity of red leaf lettuce (Lollo Rosso) due to cultivation under plastic films varying in ultraviolet transparency. Journal of Agricultural and Food Chemistry, 55 (25). pp. 10168-10172. ISSN 0021-8561 doi: https://doi.org/10.1021/jf071570m
• Garcia-Macias, P., Ordidge, M., Vysini, E., Waroonphan, S., Battey, N. H., Gordon, M. H., Hadley, P., John, P., Lovegrove, J. A. and Wagstaffe, A. (2007) Changes in the flavonoid and phenolic acid contents and antioxidant activity of red leaf lettuce (Lollo Rosso) due to cultivation under plastic films varying in ultraviolet transparency. Journal of Agricultural and Food Chemistry, 55 (25). pp. 10168-10172. ISSN 0021-8561 doi: https://doi.org/10.1021/jf071570m

2006

• Chunnasit, B. and Hadley, P. (2006) Determination of the optical properties of plastic films used as cladding materials in novel energy efficient greenhouses. In: Kamaruddin, R., Rukunuddin, I. H. and Hamad, N. R. A. (eds.) Proceedings of the International Symposium on Greenhouses, Environmental Controls and In-House Mechanization for Crop Production in the Tropics and Sub-Tropics - CONTROLLED ENVIRONMENT PRODUCTION SYSTEM FOR SUSTAINABLE AGRICULTURAL PRODUCTION. Acta Horticulturae. International Society Horticultural Science, Leuven 1, pp. 471-478. ISBN 0567-7572 90-6605-519-7

2005

• Fletcher, J. M., Tatsiopoulou, A., Mpezamihigo, M., Carew, J. G., Henbest, R. G. C. and Hadley, P. (2005) Far-red light filtering by plastic film, greenhouse-cladding materials: effects on growth and flowering in Petunia and Impatiens. Journal of Horticultural Science & Biotechnology, 80 (3). pp. 303-306. ISSN 1462-0316

2004

• Wheeler, T.R., Daymond, A.J. , Morison, J.I.L., Ellis, R.H. and Hadley, P. (2004) Acclimation of photosynthesis to elevated CO2 in onion (allium cepa) grown at a range of temperatures. Annals of Applied Biology, 144 (1). pp. 103-111. ISSN 0003-4746 doi: https://doi.org/10.1111/j.1744-7348.2004.tb00322.x
• Fang, J.-Y., Wetten, A.C. and Hadley, P. (2004) Cryopreservation of cocoa (Theobroma cacao L.) somatic embryos for long-term germplasm storage. Plant Science, 166 (3). pp. 669-675. ISSN 0168-9452 doi: https://doi.org/10.1016/j.plantsci.2003.11.002
• Tabatabaei, S. J., Gregory, P. J. and Hadley, P. (2004) Distribution of nutrients in the root zone affects yield, quality and blossom end rot of tomato fruits. Journal of Horticultural Science & Biotechnology, 79 (1). pp. 158-163. ISSN 1462-0316
• Tabatabaei, S.J. , Gregory, P.J. and Hadley, P. (2004) Distribution of nutrients in the root zone affects yield, quality and blossom end rot of tomato fruits. J Hortic Sci Biotech, 79 (1). pp. 158-163. ISSN 1462-0316
• Tabatabaie, S. J., Gregory, P. J. and Hadley, P. (2004) Distribution of salinity in the root zone affects the yield, quality of tomato fruit. In: Papadopoulos, A. P. (ed.) ACTA HORTICULTURAE. ACTA HORTICULTURAE , 633. International Society Horticultural Science, Toronto, Canada, pp. 439-444. ISBN 90-6605-627-4
• De Camacaro, M. E. P., Camacaro, G. J., Hadley, P., Dennett, M. D., Battey, N. H. and Carew, J. G. (2004) Effect of plant density and initial crown size on growth, development and yield in strawberry cultivars Elsanta and Bolero. Journal of Horticultural Science & Biotechnology, 79 (5). pp. 739-746. ISSN 1462-0316
• Harwood, T. D. and Hadley, P. (2004) Graphical tracking systems revisited: a practical approach to computer scheduling in horticulture. In: Fink, M. and Feller, C. (eds.) Proceedings of the International Workshop on Models for Plant Growth and Control of Product Quality in Horticultural Production. Acta Horticulturae. International Society Horticultural Science, Leuven 1, pp. 179-185. ISBN 9066050292
• Wadsworth, R.M., Ford, C.S., Turnbull, C.J. and Hadley, P. (2004) ICGD 2003: International Cocoa Germplasm Database Version 5.2. CD-ROM. Euronext.liffe University of Reading.
• Daymond, A.J., Fenn, M.G.E., Binns, H. and Hadley, P. (2004) Imports and availability of accessions from the University of Reading Intermediate Cocoa Quarantine Facility. Ingenic Newsletter, 9.
• Turnbull, C.J., Butler, D.R., Cryer, N.C., Zhang, D., Lanaud, C., Daymond, A.J., Ford, C.S., Wilkinson, M.J. and Hadley, P. (2004) Tackling mislabelling in cocoa germplasm collections. Ingenic Newsletter, 9. pp. 8-11.
• Tabatabaie, S. J., Gregory, P. J. and Hadley, P. (2004) Uneven distribution of nutrients in the root zone affects the incidence of blossom end rot and concentration of calcium and potassium in fruits of tomato. Plant and Soil, 258 (1-2). pp. 169-178. ISSN 0032-079X
• Tabatabaie, S.J., Gregory, P.J. and Hadley, P. (2004) Uneven distribution of nutrients in the root zone affects the incidence of blossom end rot and concentration of calcium and potassium in fruits of tomato. Plant and Soil, 258 (1-2). pp. 169-178. ISSN 0032-079X
• Daymond, A.J. and Hadley, P. (2004) The effects of temperature and light integral on early vegetative growth and chlorophyll fluorescence of four contrasting genotypes of cacao (Theobroma cacao). Annals of Applied Biology, 145 (3). pp. 257-262. ISSN 0003-4746 doi: https://doi.org/10.1111/j.1744-7348.2004.tb00381.x
• Fenn, M.G.E., Daymond, A.J., Binns, H. and Hadley, P. (2004) The role of intermediate cocoa quarantine in preventing the spread of pests and diseases. In: Proceedings of the 4th INCOPED Workshop on Cocoa Pests and Diseases, October 2003, Accra, Ghana.

2003

• Fordham, R. and Hadley, P. (2003) Broccoli-type brassicas. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. Elsevier Science Ltd, 5936 - 5938. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01236-0
• Fordham, R. and Hadley, P. (2003) Cabbage and related vegetables. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. Elsevier Science Ltd, pp. 5932-5936. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01234-7
• Hadley, P. and Fordham, R. (2003) Carrot, parsnip and beetroot. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. 2nd edition. Elsevier Science Ltd, pp. 5941-5945. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01238-4
• Hadley, P. and Fletcher, J.M. (2003) Developments in novel plastic films designed for greenhouse cladding. In: Incoll, L. D. (ed.) Proceedings of the UK Controlled Environment Users' Group 2002 Scientific meeting: The glasshouse environment. Controlled Environment Users' Group , pp. 6-7.
• Fletcher, J.M., Henbest, R.G.C., Carew, J.G. and Hadley, P. (2003) Fresh and dry weight partitioning in radicchio lettuce cv. Firestorm grown under infra-red filtering and light diffusing films. HortScience, 38. p. 795. ISSN 0018-5345
• Fordham, R. and Hadley, P. (2003) Leaf vegetables. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. Elsevier Science Ltd, pp. 5936-5938. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01236-0
• Hadley, P. and Fordham, R. (2003) Miscellaneous root crops. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. 2nd edition. Elsevier Science Ltd, pp. 5948-5951. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01240-2
• Fordham, R. and Hadley, P. (2003) Oriental brassicas. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. Elsevier Science Ltd, pp. 5938-5941. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01237-2
• Fordham, R. and Hadley, P. (2003) Stem and other vegetables. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. Elsevier Science Ltd, 5951 - 5955. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01241-4
• Hadley, P. and Fordham, R. (2003) Swede, turnip and radish. In: Caballero, B., Trugo, L. and Finglas, P. (eds.) Encyclopedia of Food Sciences and Nutrition. 2nd edition. Elsevier Science Ltd, pp. 5946-5948. ISBN 9780122270550 doi: https://doi.org/10.1016/B0-12-227055-X/01239-6
• Carew, J. G., Mahmood, K., Darby, J., Hadley, P. and Battey, N. H. (2003) The effect of temperature, photosynthetic photon flux density, and photoperiod on the vegetative growth and flowering of 'Autumn Bliss' raspberry. Journal of the American Society for Horticultural Science, 128 (3). pp. 291-296. ISSN 0003-1062

2002

• Daymond, A. J., Hadley, P., Machado, R. C. R. and Ng, E. (2002) Canopy characteristics of contrasting clones of cacao (Theobroma cacao). Experimental Agriculture, 38 (3). pp. 359-367. ISSN 0014-4797 doi: https://doi.org/10.1017/S0014479702003083
• Daymond, A., Hadley, P., Machado, R. C. R. and Ng, E. (2002) Genetic variability in partitioning to the yield component of cacao (Theobroma cacao L.). HortScience, 37 (5). pp. 799-801. ISSN 0018-5345

This list was generated on Mon Jul 22 11:06:58 2019 UTC.

 

Pre 2003

Cryer, N.C., Kolesnikova-Allen, M., Zhang, D., Athanson, B., Opoku, S., Aikpokpodion, P., Efombagn, B.M., Adu-Ampomah, Y., Nelson, S., Gilmour, M., Hadley, P., Wilkinson, M.J. and Lockwood, R. Verification of identity of breeding material in South East Asia and West Africa. In: Proceedings of the Malaysian International Cocoa Conference, 18-19 July, 2005.

Fletcher, J.M., Tatsiopoulou, A., Davis, F.J., Henbest, R.G.C. and Hadley, P. Growth, yield and development of strawberry cv 'Elsanta' under novel photoselective film clad greenhouses. Acta Horticulturae, Proceedings of the XXVIth International Congress and Exhibition, Ontario, Canada (in press), 2003.

Bisgrove, R.J. and Hadley, P. Gardening in the Global Greenhouse: The Impacts of Climate Change on Gardens in the UK. Technical Report. UKCIP, Oxford, 2002, 140 pp.

Daymond, A.J., Hadley, P., Machado, R.C.R. and Ng, E. Genetic variability in partitioning to the yield component of cacao (Theobroma cacao L.). HortScience, 37, 2002, 799-801.

Daymond, A.J., Hadley, P., Machado, R.C.R. and Ng, E. Canopy characteristics of contrasting clones of cacao (Theobroma cacao). Experimental Agriculture, 38, 2002, 359-367.

de Camacaro, M.E.P, Camacaro, G.J., Hadley, P., Battey, N.H. and Carew, J.G. Pattern of growth and development of the strawberry cultivars Elsanta, Bolero, and Everest. Journal of the American Society for Horticultural Science, 127 (6), 2002, 901-907.

Adams, S.R., Pearson, S. and Hadley, P. Improving quantitative flowering models through a better understanding of the phases of photoperiod sensitivity. J. Exp. Bot., 52, (357), 2001, 655-662.

Carew, J.G., Mahmood, K., Darby, J., Hadley, P. and Battey, N.H. The effects of low temperatures on the vegetative growth and flowering of the primocane fruiting raspberry 'Autumn Bliss'. J. Hort. Sci. Biotechnol., 76, 2001, 264-270.

Batts, G. R., Ellis, R. H., Morison, J. I. L. & Hadley, P. Canopy development and tillering of field-grown crops of two contrasting cultivars of winter wheat (Triticum aestivum) in response to CO2 and temperature. Annals of Applied Biology, 133, 2000, 101-109.

Mahmood, K., Carew, J. G., Hadley, P. & Battey, N. H. The effect of chilling and post-chilling temperatures on growth and flowering of sweet cherry (Prunus anium L.). Journal of Horticultural Science & Biotechnology, 75, 2000, 598-601.

Adams, S. R., Hadley, P. & Pearson, S. The Effects of Temperature, Photoperiod, and Photosynthetic Photon Flux on the Time to Flowering of Petunia 'Express Blush Pink'. Journal of the American Society for Horticultural Science, 123, 1998, 577-580.

Adams, S. R., Pearson, S. & Hadley, P. An appraisal of the use of reciprocal transfer experiments: assessing the stages of photoperiod sensitivity in chrysanthemum cv. Snowdon (Chrysanthemum morifolium Ramat.). Journal of Experimental Botany, 49, 1998, 1405-1411.

Le Miere, P., Hadley, P., Darby, J. & Battey, N.H. The effect of thermal environment, planting date and crown size on growth, development and yield of Fragaria x ananassa Duch. cv. Elsanta. Journal of Horticultural Science & Technology, 73, 1998, 786-795

van Haeringen, C. J., West, J. S., Davis, F. J., Gilbert, A., Hadley, P., Pearson, S., Wheldon, A. E. & Henbest, R. G. C. The Growth of Solid Spectral Filters for the Regulation of Plant Growth. Photochemistry and Photobiology, 67, 1998, 407-413.