Article

Mwafulirwa, L. ORCID: https://orcid.org/0000-0002-6293-4170, Sizmur, T. ORCID: https://orcid.org/0000-0001-9835-7195, Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Atuah, L., Quaye, A., Coole, S., Robinson, S. ORCID: https://orcid.org/0000-0003-1045-4412, Hammond, J. ORCID: https://orcid.org/0000-0002-6241-3551, Awudzi, G., Awunyo-Vitor, D., Domfeh, O. and Hadley, P. (2024) Cocoa pod husk-derived organic soil amendments differentially affect soil fertility, nutrient leaching, and greenhouse gas emissions in cocoa soils. Journal of Cleaner Production, 479. 144065. ISSN 0959-6526 doi: 10.1016/j.jclepro.2024.144065

Mateus-Rodríguez, J. F., Lahive, F., Hadley, P. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (2023) Effects of simulated climate change conditions of increased temperature and [CO2] on the early growth and physiology of the tropical tree crop, Theobroma cacao L. Tree Physiology, 43 (12). pp. 2050-2063. ISSN 0829-318X doi: 10.1093/treephys/tpad116

Arévalo-Hernández, C. O., Arévalo-Gardini, E., Farfan, A., Amaringo-Gomez, M., Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Zhang, D. and Baligar, V. C. (2022) Growth and nutritional responses of juvenile wild and domesticated cacao genotypes to soil acidity. Agronomy, 12 (12). 3124. ISSN 2073-4395 doi: 10.3390/agronomy12123124

Amponsah-Doku, B., Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Robinson, S. ORCID: https://orcid.org/0000-0003-1045-4412, Atuah, L. and Sizmur, T. ORCID: https://orcid.org/0000-0001-9835-7195 (2022) Improving soil health and closing the yield gap of cocoa production in Ghana – a review. Scientific African, 15. ISSN 2468-2276 doi: 10.1016/j.sciaf.2021.e01075

Ullah, I. ORCID: https://orcid.org/0000-0002-9367-6741, Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423, Hadley, P., End, M. J., Umaharan, P. and Dunwell, J. M. ORCID: https://orcid.org/0000-0003-2147-665X (2021) Identification of Cacao Mild Mosaic Virus (CaMMV) and Cacao Yellow Vein-Banding Virus (CYVBV) in Cocoa (Theobroma cacao) Germplasm. Viruses, 13 (11). 2152. ISSN 1999-4915 doi: 10.3390/v13112152

Lahive, F., Handley, L. R., Hadley, P. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (2021) Climate change impacts on cacao: genotypic variation in responses of mature cacao to elevated CO2 and water deficit. Agronomy, 11 (5). 818. ISSN 2073-4395 doi: 10.3390/agronomy11050818

Muller, E., Ullah, I. ORCID: https://orcid.org/0000-0002-9367-6741, Dunwell, J. ORCID: https://orcid.org/0000-0003-2147-665X, Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Richardson, M., Allainguillaume, J. and Wetten, A. (2021) Identification and distribution of novel badnaviral sequences integrated in the genome of cacao (Theobroma cacao). Scientific Reports, 11 (1). 8270. ISSN 2045-2322 doi: 10.1038/s41598-021-87690-1

Black, E. ORCID: https://orcid.org/0000-0003-1344-6186, Pinnington, E., Wainwright, C. ORCID: https://orcid.org/0000-0002-7311-7846, Lahive, F., Quaife, T. ORCID: https://orcid.org/0000-0001-6896-4613, Allan, R. P. ORCID: https://orcid.org/0000-0003-0264-9447, Cook, P., Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Hadley, P., McGuire, P. C. ORCID: https://orcid.org/0000-0001-6592-4966, Verhoef, A. ORCID: https://orcid.org/0000-0002-9498-6696 and Vidale, P. L. ORCID: https://orcid.org/0000-0002-1800-8460 (2021) Cocoa plant productivity in West Africa under climate change: a modelling and experimental study. Environmental Research Letters, 16 (1). 014009. ISSN 1748-9326 doi: 10.1088/1748-9326/abc3f3

Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423, Prawoto, A., Abdoellah, S., Soetanto, A., Susilo, A. W., Cryer, N. C., Lahive, F. and Hadley, P. (2020) Variation in Indonesian cocoa farm productivity in relation to management, environmental and edaphic factors. Experimental Agriculture, 56 (5). pp. 738-751. ISSN 0014-4797 doi: 10.1017/S0014479720000289

Awudzi, G. K., Hadley, P., Hatcher, P. E. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (2020) Mirid feeding preference as influenced by light and temperature mediated changes in plant nutrient concentration in cocoa. Annals of Applied Biology, 177 (3). pp. 395-403. ISSN 0003-4746 doi: 10.1111/aab.12636

Lahive, F., Hadley, P. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (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: 10.1007/s13593-018-0552-0

Acheampong, K., Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423, Adu-Yeboah, P. and Hadley, P. (2019) Improving field establishment of cacao (Theobroma cacao) through mulching, irrigation and shading. Experimental Agriculture, 55 (6). pp. 898-912. ISSN 0014-4797 doi: 10.1017/S0014479718000479

Lahive, F., Hadley, P. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (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: 10.1007/s11099-017-0743-y

Awudzi, G. K., Cudjoe, A. R., Hadley, P., Hatcher, P. E. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (2017) Optimising mirid control on cocoa farms through complementary monitoring systems. Journal of Applied Entomology, 141 (4). pp. 247-255. ISSN 1439-0418 doi: 10.1111/jen.12332

Awudzi, G. K., Asamoah, M., Owusu-Ansah, F., Hadley, P., Hatcher, P. E. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (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: 10.1017/S1742758415000247

Kumi, E. and Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 (2015) Farmers’ perceptions of the effectiveness of the Cocoa Disease and Pest Control Programme (CODAPEC) in Ghana and its effects on poverty reduction. American Journal of Experimental Agriculture, 7 (5). pp. 257-274. ISSN 2231-0606 doi: 10.9734/AJEA/2015/16388

Acheampong, K., Hadley, P., Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 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: 10.9734/AJEA/2015/15206

Acheampong, K., Hadley, P. and Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423 (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: 10.1017/S0014479712001007

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, 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

Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 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: 10.1111/j.1744-7348.2008.00246.x

Wheeler, T.R., Daymond, A.J. ORCID: https://orcid.org/0000-0002-7597-9423, 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: 10.1111/j.1744-7348.2004.tb00322.x

Daymond, A.J. ORCID: https://orcid.org/0000-0002-7597-9423, 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. ORCID: https://orcid.org/0009-0007-6470-6933, Butler, D.R., Cryer, N.C., Zhang, D., Lanaud, C., Daymond, A.J. ORCID: https://orcid.org/0000-0002-7597-9423, Ford, C.S., Wilkinson, M.J. and Hadley, P. (2004) Tackling mislabelling in cocoa germplasm collections. Ingenic Newsletter, 9. pp. 8-11.

Daymond, A.J. ORCID: https://orcid.org/0000-0002-7597-9423 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: 10.1111/j.1744-7348.2004.tb00381.x

Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423, 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: 10.1017/S0014479702003083

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, 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

Book or Report Section

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423 and Bekele, F. (2022) Cacao. In: Priyadarshan, P. and Mohan Jain, S. (eds.) Cash Crops. Biomedical and Life Sciences. Springer, pp. 23-53. ISBN 9783030749255 doi: 10.1007/978-3-030-74926-2_2

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423 (2018) Safe handling and movement of cocoa germplasm for breeding. In: Umaharan, P. (ed.) Achieving sustainable cultivation of cocoa. Burleigh Dodds, Reading. ISBN 9781786761682

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423 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

Report

End, M. J., Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 and Hadley, P., eds. (2024) Technical guidelines for the safe movement of cacao germplasm: revised from the FAO/IPGRI technical guidelines no. 20. Report. Bioversity International, Rome. ISBN 9789292553289 (Fifth Update 2024)

Conference or Workshop Item

Mateus Rodriguez, J., Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Lahive, F. and Hadley, P. (2023) Combined effects of elevated [CO2] and increased temperatures on cacao reproductive development. In: International Symposium on Cocoa Research, 5-7 Dec 2022, Montpeller.

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Lahive, F., Mateus Rodriguez, J. and Hadley, P. (2023) A physiological model to quantify impacts of climate change variables on cocoa productivity. In: International Symposium on Cocoa Research, 5-7 Dec 2022, Mont.

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, End, M., Poole, S., Turnbull, C. ORCID: https://orcid.org/0009-0007-6470-6933, Ullah, I. ORCID: https://orcid.org/0000-0002-9367-6741, Williams, A. and Hadley, P. (2023) Procedures for safe movement of cocoa germplasm. In: International Symposium on Cocoa Research, 5-7 Dec 2023, Montpeller.

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Prawoto, A., Abdoellah, S., Cryer, N. and Susilio, A. (2021) Incidence and control of cocoa pod borer and Helopeltis in Indonesia. In: Asia-Pacific Regional Cocoa IPM Symposium, 9-11 April 2019, Bali, pp. 29-34.

Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423, Tricker, P. and Hadley, P. (2010) Genotypic variation in photosynthetic and leaf traits in cocoa. In: 16th International Cocoa Research Conference, November 2009, Bali.

Turnbull, C. J. ORCID: https://orcid.org/0009-0007-6470-6933, Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423, 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.

Fenn, M.G.E., Daymond, A.J. ORCID: https://orcid.org/0000-0002-7597-9423, 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.

Book

End, M. J., Daymond, A. J. ORCID: https://orcid.org/0000-0002-7597-9423 and Hadley, P., eds. (2021) Technical guidelines for the safe movement of cacao germplasm. Revised from the FAO/IPGRI Technical guidelines No. 20 (Fourth Update 2021). Bioversity International, Rome (Italy), pp127. ISBN 9789292552275

End, M., Daymond, A. ORCID: https://orcid.org/0000-0002-7597-9423 and Hadley, P. (2017) Technical guidelines for the safe movement of cacao germplasm. Bioversity International, pp89. ISBN 9789292550790