> [!cite] BHL link: this entry starts at [page 175](https://www.biodiversitylibrary.org/page/33260163) of TL-2 Suppl. VI
> Author links: [Wikidata](https://www.wikidata.org/wiki/Q123682181) QID Q123682181
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Duplessis, Stefanus Johannes (1908-x), South African plant pathologist, born 3 Nov 1908, Hofmeyr, Cape Province, educated at Stellenbosch University, B.Sc. agriculture 1929, M.Sc. 1931, D.Sc. 1935, research officer Stellenbosch-Elsenburg Agricultural College 1929-1943, senior lecturer in plant pathology 1944-1946, professor plant pathology and microbiology Stellenbosch 1946-1953, dept. of agriculture Pretoria 1953-1958, asst. director 1958-1962, director 1962-1966, advisor agric. policy to the minister 1968-1974.
**Abbreviated name**: *S.J. Duplessis*
#### Herbarium and types
[[Collection STE|STE]]-VB.
#### Biography and bibliography
Barnhart 1: 484; Stevenson p. 1241.
#### Biofile
- Doidge, E.M., The South African fungi and lichens to the end of 1945, Bothalia 5: 1001-1002. 1950 (bibliogr.).
- Gunn, M. and L.E. Codd, Bot. Explor. S. Afr. 141-142. 1981 (biogr., portr.).
### Publications
##### n.32.003. Parasitisme
**Title**
*Parasitisme*, morphologie en physiologie van *Fusarium solani* (Mart.) Sacc. op Uie, (with Summary in English: The parasitism, morphology and physiology of Fusarium solani (Mart.) Sacc. on Onions)... Kaapstad \[Cape Town\] (Nasionale Pers, Beperk)... 1932. Qu.
**Abbreviated title**: *Parasit. Fusarium solani*.
**Notes**
*Publ*.: Sep 1932 (date on cover-t.p.), cover-t.p., p. \[1\]-16, \[17-19\]. *Copies*: L, NY, U. – Issued as Ann. Univ. Stellenbosch, Reeks A. 10(2). 1932.
##### n.32.004. morphologiese eienskappe
**Title**
Die *morphologiese eienskappe* en die parasitisme van verskillende *Fusaria* op *Aartappels*... Kaapstad (Nasional Pers, Beperk)... 1933. Qu.
**Abbreviated title**: *Morph. eiensk. Fusar. Aartap.*
**Notes**
*Publ*.: Aug 1933 (date on cover-t.p.), cover-t.p., p. \[i, t.p.\], \[1\]-24, \[4 p. phot.\]. *Copies*: L, U. – Issued as Ann. Univ. Stellenbosch, Reeks A. 11(3). 1933.
##### n.32.005. Synchytrium Cotulae
**Title**
Beskryving van *Synchytrium Cotulae* nov. spec. op *Cotula coronopifolia* Linn. in Suid-Afrika... Kaapstaad (Nasionale Pers, Beperk)... 1933. Qu.
**Abbreviated title**: *Synchytrium Cotulae*.
**Notes**
*Publ*.: Oct 1933 (date on cover-t.p.), cover-t.p., p. \[1\]-11, \[12-14: *pl*.\], *Copies*: L, U. – Issued as Ann. Univ. Stellenbosch, Reeks A. 11(5). 1933.