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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
- United Kingdom
- 1862
- vi + 365
It was concerned with working out in detail the relationships between sexual structures of orchids and the insects which fertilise them, their evolution being attributed to natural selection. It is therefore the first of the volumes of supporting evidence.
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 ...
- W. A. Forbes
- 1873
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.
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.
3 giu 2023 · The most critical technique for obtaining ornamental cultivars of orchids is hybrid breeding. This technique is routine work but usually laborious and time consuming mainly due to the long generation time of orchids.
