> [!cite] BHL link: this entry starts at [page 26](https://www.biodiversitylibrary.org/page/33066366) of TL-2 Vol. VII > Author links: [IPNI](https://www.ipni.org/a/28498-1) LSID 28498-1, [Wikidata](https://www.wikidata.org/wiki/Q21612020) QID Q21612020 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Wakker, Jan Hendrik (1859-1927), Dutch botanist, phytopathologist and plant breeder; Dr. phil. Amsterdam 1885 (student of Hugo de Vries); at the Zoological Station, Naples 1885; working at the Botanical Laboratory, Univ. Amsterdam 1885-1887; assistant at the botanical laboratory, Univ. Utrecht 1887-1889; teacher at Alphen-Oudshoorn 1889-1891; director of the Sugar Experiment Station East Java 1892-1897; high school teacher in 's Hertogenbosch, Netherlands 1897-1925. **Abbreviated name**: *Wakk.* \[standard form in IPNI: *Wakker*\] #### Herbarium and types [[Collection L|L]] (orig.). #### Bibliography and biography Ainsworth p. 283, 348; Barnhart 3: 450 (b. 28 Jun 1859); Biol.-Dokum. 18: 9707; CSP 19: 438; De Toni cxxvii; JW 1: 449, 3: 375; LS 28223-28248, 40389; Rehder 5: 897; Stevenson p. 1261. #### Biofile - Paerels, J.J. & T. Schoevers, Landbouwk. Tijdschr. 39: 409-410. 1927 (obit.). - Sirks, M.J., Indisch natuuronderzoek 269, 270. 1915. - Verdoorn, F., ed., Chron. bot. 2: 236. 1936. - Went, F.A.F.C., Vakbl. Biol. 9: 11-17. 1927 (obit., bibl.); Indische Mercuur 10 Aug 1927, no. 32 (obit.). - Whetzel, H.H., Outline hist, phytopath. 61, 68. 1918. ### Publications ##### n.16.542. Onderzoekingen over adventieve knoppen **Title** *Onderzoekingen over adventieve knoppen*. Academisch proefschrift ter verkrijging van den graad van Doctor in de Plant- en Dierkunde, aan de Universiteit van Amsterdam, ... voor de Faculteit te verdedigen op Donderdag 5 Maart 1885, des namiddags te 3 ure,... Haarlem (gedrukt bij W.H. Woest) \[1885\] Oct. **Abbreviated title**: *Onderz. advent. Knopp.* **Notes** *Publ*.: 5 Mar 1885, p. \[i-vii\], \[1\]-106. *Copies*: B, G. ##### n.16.543. Die Neubildungen an abgeschnittenen Blättern **Title** *Die Neubildungen an abgeschnittenen Blättern* von Caulerpa prolifera... Amsterdam (Johannes Müller) 1886. Oct. **Notes** *Publ*.: 1886, cover-t.p., p. \[1\]-14, *1 pl. Copy*: FAS. – Reprinted and to be cited from Versl. Meded. K. Akad. Wet., Afd. nat. ser. 3. 2: 251-264. 1886. *Ref*.: Noll, F., Bot. Zeit. 44: 853-854. 17 Dec 1886 (rev.). ##### n.16.544. Bau und Dickenwachsthum des Stengels von Abrus precatorius **Title** *Bau und Dickenwachsthum des Stengels von Abrus precatorius*... \[Leipzig (Druck von Breitkopf & Härtel) 1889\]. Oct. **Notes** *Publ*.: 29 Sep 1889, p. \[1\]-5, *pl. 9* (uncol. lith. auth.). *Copy*: FAS. – Reprinted and to be cited from Bot. Zeit. 47: 629-638. 29 Sep 1889. ##### n.16.545. De Ziekten van het suikerriet op Java **Title** *De Ziekten van het suikerriet op Java*, die niet door dieren veroorzaakt worden,... Leiden (Boekhandel en Drukkerij voorheen E.J. Brill) 1898. Oct. **Abbreviated title**: *Ziekt. suikerriet Java*. **Notes** *Co-author*: Friedrich August Ferdinand Christian Went (1863-1935). *Publ*.: Jan-Mar 1898 (Nat. Nov. Apr(1) 1898; Flora 9 Aug 1898), p. \[i\*-ii\*\], \[i\]-viii, \[1\]-217, *pl. 1-25* (p.p. col. liths.). *Copies*: B, BR.