Publications – Citriculture

Preharvest production and quality

Zacarías, L., Cronje, P.J.R., Palou, L. 2020. Postharvest technology of citrus fruits. In: The Genus Citrus, pp. 421-446.
Van Niekerk J., Kotze C., North J., P Cronje. 2018. Effect of phosphonate applications, for phytophthora brown rot control, on ‘Nadorcott’ mandarin external fruit quality. 28 (4), 470-475.
Stander OPJ, PJR Cronjé. 2016 Reviewing the commercial potential of hand thinning in citrus with a cost-benefit analysis of summer hand thinning of ‘Nadorcott’ mandarin. HortTechnology. 26 (2): 206-212.
Stander, OPJ, Barry GH, Cronjé PJR. 2017. Fruit-load-induced starch accumulation causes leaf chlorosis in “off” ‘Nadorcott’ mandarin trees. Scientia
Horticulturae. Vol 222 (19), 62-68.
Stander, OPJ, Barry GH, Cronjé PJR. 2018. Fruit load limits root growth, summer vegetative shoot development, and flowering in alternate bearing ‘Nadorcott’ mandarin trees. J. Amer. Soc. Hort. Sci. 143(3), 213-225.
Barry, G.H., Prins, D.M., Stander, O.P.J., Cronjé, P.J.R. 2020.Microclimate and tree physiology of ‘Nadorcott’ mandarin are affected by shade netting. Acta Horticulturae, 1268, pp. 271-278.
Berry, T.M, T. Defraeye, W. Wu, M.G. Sibiya, J. North, P.J.R. Cronje. 2021. Cooling of ambient-loaded citrus in refrigerated containers: What impacts do package and loading temperature have? Biosystems Engineering. 201:11-20.
Berry, T.M., Defraeye, T., Sibiya, G.M., North, J., Cronje, P.J.R. 2020. Ambient loading – increasing citrus cold chain efficiency. Acta Horticulturae, 1275, pp. 323-328.
Cronje PJR, Joubert J, Marais H, Hoffman EW, L Zacarías. 2016. Influence of late nitrogen soil applications on mandarin fruit quality. Citrus Research & Technology, v. 37, n. 1,
Cronjé, P.J.R., Botes, J., Prins, D.M., Brown, R., North, J., Stander, O.P.J., Hoffman, E.W., Zacarìas, L., Barry, G.H. 2020. The influence of 20% white shade nets on fruit quality of ‘Nadorcott’ Mandarin. Acta Horticulturae, 1268, pp. 279-284.


Rind condition and cold chain

Wu W, Häller P, Cronjé P, Defraeye T. 2018. Full-scale experiments in forced-air precoolers for citrus fruit: Impact of packaging design and fruit size on cooling rate and heterogeneity. Biosystems
Engineering. Vol: 169, 115-125.
Wu, W, Cronjé P , Verboven P, Opara L, Defraeye, T. 2018. Virtual cold chain method to model the postharvest temperature history and quality evolution of fresh fruit – A case study for citrus fruit packed in a single carton. Computers and
Electronics in Agriculture. Vol. 144, 199-208.
Wu, W., Beretta, C., Cronje, P., Hellweg, S., Defraeye, T. 2019. Environmental trade-offs in fresh-fruit cold chains by combining virtual cold chains with life cycle assessment. Applied Energy, 254, art. no. 113586.
Wu, W., Cronjé, P., Verboven, P., Defraeye, T. 2019.Unveiling how ventilated packaging design and cold chain scenarios affect the cooling kinetics and fruit quality for each single citrus fruit in an entire pallet. Food Packaging and Shelf Life, 21, 100369
Van Dael M, Lebotsa S, Herremans E, Verboven P, Sijbers J, Opara UL, Cronje PJR, BM Nicolaï. 2016. A segmentation and classification algorithm for online detection of internal disorders in citrus using X-ray radiographs. Postharvest Biology and Technology. 112, pp. 205-214.
Lado, J., Alós, E., Manzi, M., Cronje, P.J.R., Gómez-Cadenas, A., Rodrigo, M.J., Zacarías, L. 2020. Light Regulation of Carotenoid Biosynthesis in the Peel of Mandarin and Sweet Orange Fruits. Frontiers in Plant Science, 10, 1288.
Defraeye T, B Nicolai, W Kirkman, S Moore, S van Niekerk, P Verboven, P Cronjé. 2016. Integral performance evaluation of the fresh-produce cold chain: A case study for ambient loading of citrus in refrigerated containers. Postharvest Biology and Technology 112. 1–13.
Defraeye T. Wu W. Prawiranto K, Fortunato G, Kemp S, Hartmann S, Cronje P, Verboven P, Nicolai B.2017. Artificial fruit for monitoring the thermal history of horticultural produce in the cold chain. Journal of
Food Engineering. Vol 215, 51-60.
Defraeye, T., Shrivastava, C., Berry, T., Cronje, P., Rossi, R.M. 2021. Digital twins are coming: Will we need them in supply chains of fresh horticultural produce? Trends in Food Science and Technology, 2021, 109, pp. 245–25.
Hattingh, V., Moore, S., Kirkman, W., Goddard, M., Thackeray, S., Peyper, M., Sharp, G., Cronjé, P., Pringle, K., Cha, D.H. 2020. An Improved Systems Approach as a Phytosanitary Measure for Thaumatotibia leucotreta (Lepidoptera: Tortricidae) in Export Citrus Fruit from South Africa. Journal of Economic Entomology, 113 (2), pp. 700-711.
Hattingh, V, Moore,S, Kirkman, W, Goddard, G, Cronjé, P and Pringle, K. 2020. An Improved Systems Approach as a Phytosanitary Measure for Thaumatotibia leucotreta (Lepidoptera: Tortricidae) in Export Citrus Fruit From South Africa. Journal of Economic Entomology, 113(2), 700–711
Cronje PJR, Zacarías L, F Alférez. 2017. Susceptibility to postharvest peel pitting in Citrus fruits as related to albedo thickness, water loss and phospholipase activity. Postharvest Biology and Technology. 123: (1) 77-82.
Cronje PJR. Ehlers JL, Alférez F, KI Theron. 2016. Efficacy of pre-harvest sprays to reduce rind pitting on Benny Valencia orange. Citrus Research & Technology