RECORD: Darwin, C. R. n.d. Tropaeolum tricolorum – Greenhouse. CUL-DAR76.B100. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR 76-79 contain material for Darwin's book Cross and self fertilisation (1876).
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Tropæolum tricolorum — Greenhouse
12 fl crossed & produced 6 fruit, ie. 1/2 set containing 9 seed. ie. 1.50 at average with max of 2.
18 fl self-fertilised produced 11 fruit ie 11/18 set, containing 19 seed, ie average 1.73 seed with max. of 3. Hence self-fertile in all ways more fertile. —
[calculations not transcribed]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 1 June, 2023