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Fertilisation of Orchids is a book by English naturalist Charles Darwin published on 15 May 1862 under the full explanatory title On the Various Contrivances by Which British and Foreign Orchids Are Fertilised by Insects, and On the Good Effects of Intercrossing.
- Charles Darwin
- 1862
1 set 2021 · In this regard, propagation in vitro is one of the most important breeding methods for orchids, as orchid seeds are difficult to reproduce in the natural environment. Seed maturity, culture conditions, and culture media are key factors affecting the efficiency of in vitro propagation.
- Chengru Li, Na Dong, Yamei Zhao, Shasha Wu, Zhongjian Liu, Junwen Zhai
- 2021
Fertilisation of Orchids. Darwin wrote of this book in his Autobiography: On May 15th, 1862, my little book on the Fertilisation of Orchids, which cost me ten months' work, was published: most of the facts had been slowly accumulated during several previous years.
Orchids was the first of the botanical books which Darwin published from 1862, all of which 'exalted' plants and showed how closely linked to animals they are. Several of these books, such as Cross and self-fertilisation (1876) , developed the sexual theme initiated in Orchids.
12 feb 2018 · He suggested that cross-fertilisation – in which one plant is fertilised by pollen from another – would increase a plant’s genetic fitness and provide the diversity needed for natural selection, leading to evolution and the development of new species.
DARWIN, in his “Fertilisation of Orchids,” speaks of a Madagascar orchid (Angracum sesquipedale) with nectaries 11½ inches long, and supposes that these plants must be fertilised by the efforts of huge moths, with probosces capable of such expansion, to obtain the last drops of the nectar which is secreted in the lower part of these whip ...
Abstract. MR. DARWIN, in his “Fertilisation of Orchids,” speaks of a Madagascar orchid ( Angræcum sesquipedale) with nectaries 11½ inches long, and supposes that these plants must be ...
