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  • Schoeman MH, Botha FA and Zulu B.  Guava wilt disease –Mpumalanga Growers Association Studygroup. 19 February 2015.
  • Schoeman MH, Zulu NB and Botha FA.  Mango malformation in South Africa: Availability of Fusarium mangiferae conidia on malformed panicles and occurrence of conidia on leaves during the season.  49th Congress of the Southern African Society for Plant Pathology.  Bloemfontein. 18-21 January 2015.
  • Desmond Ncango, Zama Dlamini, Ncobile Zulu and Mduduzi Ngcobo. Sunblotch Viroid detected from Avocado Fruits (cv. Hass) using Fluorescence-Based Qualitative Real-Time Polymerase Chain Reaction. 49th Congress of the South African Society for Plant Pathology (SASPP), Bloemfontein, 18 -21 January, 2015.
  • Desmond Ncango, Zama Dlamini, Ncobile Zulu and Mduduzi Ngcobo. Avocado Sunblotch Viroid disease: South African diagnostic perspective from 2008 to 2013. 49th Congress of the South African Society for Plant Pathology (SASPP), Bloemfontein, 18 -21 January, 2015.
  • Desmond Ncango, Zama Dlamini, Ncobile Zulu and Mduduzi Ngcobo. Mapping distribution of Sunblotch Viroid in Avocado trees, a preliminary study. 49th Congress of the South African Society for Plant Pathology (SASPP), Bloemfontein, 18 -21 January, 2015.
  • Ngwenya M and Schoeman, M.H. 2014.  Analysis of spatial and temporal patterns of trees affected by guava wilt disease in South African guava orchards.  56th Annual Conference of the South African Statistical Association, Rhodes University, Grahamstown, SA. 27-30 October 2014.
  • Desmond Ncango, Zama Dlamini and Ncobile Zulu. 2014. Detection of Avocado Sunblotch Viroid from Hass fruits using RT-PCR. 29th International Horticultural Congress (IHC), Brisbane Queensland, Australia,12-22 August.
  • Desmond Ncango, Zama Dlamini and Ncobile Zulu. 2014. Overview of Avocado Sunblotch Viroid Disease in South African from 2008-2013. South African Avocado Growers Association (SAAGA) Research Symposium, Tzaneen, South Africa, 19 February.
  • Mathaba, N., Schoeman, M.H., Botha, F.A. & Kruger, F.J. 2014. Effect of gamma irradiation and insect proof bagging on postharvest quality of sulphur dioxide fumigated litchi fruit (cv. 'Mauritius'). Combined Congress. Grahamstown, South Africa, 20-23 January.
  • Desmond Ncango and Zama Dlamini. 2013. The South African Post Entry Quarantine and Citrus Improvement Scheme. The XIXth conference of International Organization of Citrus Virologist (IOCV), Skukuza, South Africa 28 July - 02 August.
  • Desmond Ncango and Zama Dlamini. 2013. Detection and elimination of Graft Transmissible Diseases of Citrus. South African Society for Microbiology (SASM), Bela-Bela, South Africa. 24-27 November.
  • Schoeman MH and Botha FA. 2013.  An Investigation into the status and Control of mango Blossom Malformation in South Africa.  Tenth International Mango Symposium, Bavaro, Punta Cana, Dominican Republic. 3-7 June.
  • Ngwenya MZ and Schoeman MH. 2013.  Spatio-Temoporal Modelling of Guava Wilt Disease Spread in South African orchards. 13 Bi-annual Conference of the Sub-Saharan African Network of International Biometrics Society, ACCRA, Ghana. 4-8 August.
  • Schoeman MH and Botha FA. 2013.  Guava wilt disease - Selection for resistance. Soilborne Plant Disease Symposium, Stellenbosch, South Africa. 17-19 September.
  • Schoeman MH and Botha FA. 2013.  An Investigation into the status and Control of mango Blossom Malformation in South Africa. SAMGA Mango Symposium, Swadini, Hoedspruit. 18 July.
  • Schoeman MH and Labuschagne N.  2012. Evaluation of Guava Selections for Guava Wilt Disease Resistance in South Africa.  2nd All Africa Horticulture Congress, Skukuza, South Africa.15-20 January.
  • Severn-Ellis AA, Schoeman MH, Willemse S and Sippel A. 2012. Isolation and Characterization of Resistant Analogues from Guava. 2nd All Africa Horticulture Congress, Skukuza, South Africa.15-20 January.
  • Schoeman MH, Botha FA and Manicom BQ.  2012.  Guava wilt disease- The South African perspective. Third International Symposium on Guava and other Myrtaceae, Petrolina, Brazil. 23-25 April.
  • Severn-Ellis AA, Schoeman MH, Willemse SS, Sippel A, de Castro M. and Reese J.  2012. Third International Symposium on Guava and other Myrtaceae, Petrolina, Brazil. 23-25 April.
  • Severn-Ellis A, Schoeman MH, Willemse S and Sippel A.  2010.  Development of a standard set of microsatellite markers for the identification of guava cultivars and selections.  Combined Crops, Soils, Horticulture and Weeds Congress, Bloemfontein, South Africa.  20-24 January.
  • Manicom BQ and Schoeman MH. 2010.  Fungicides for Pseudocercospora on Avocados: Part the Second.  SAAGA Symposium, Magoebaskloofhotel, Tzaneen, South Africa. 14 February.
  • Schoeman MH, Botha FA and Kruger FJ. 2009.  Application procedures and efficacy evaluation of a universal sulphur dioxide sheet for litchis.  SASPP Congress, Gordonsbay, South Africa, 10-15 January.
  • Manicom BQ and Schoeman MH 2009.  Fungicides for Pseudocercospora Control on avocados:  A Review, A Trial and Observations.  SAAGA Symposium, Magoebaskloof, Tzaneen, South Africa. 11 February