Resultado da Busca
Fertilisation of Orchids. Xanthopan morgani praedicta, the moth whose existence Darwin predicted. Fertilisation of Orchids is a book by Charles Darwin . The book was published on 15 May 1862 under the full title On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. [1]
Fertilisation of Orchids - On the Various Contrivances by Which British and Foreign Orchids Are Fertilised by Insects, and On the Good Effects of Intercrossing. O livro foi sua primeira demonstração detalhada do poder da seleção natural e explicou como as relações ecológicas complexas resultaram na coevolução de orquídeas e insetos.
12 de fev. de 2018 · From painstaking observations, meticulous dissections of local and exotic species, and field experiments, Darwin concluded that orchids, unlike self-pollinating or wind-pollinated plants, relied on insects for pollination. He suggested that cross-fertilisation – in which one plant is fertilised by pollen from another – would increase a ...
Fertilisation of Orchids (podtytuł: On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing) – książka Charlesa Darwina opublikowana 15 maja 1862. W tej pracy, pierwszej opublikowanej po O powstawaniu gatunków, Darwin rozwinął zagadnienie zależności ...
These illustrations by G. B. Sowerby II, were first drawn 5-6 October 1861 at Down House. Darwin, C. R. 1862. On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. London: John Murray. Text Images Text & images F800.
How to Fertilize Your Orchid. The mantra most repeated when fertilizing orchids is weekly, weakly. Cut the fertilizer to half to one-quarter of the package instructions. For example, if the fertilizer manufacturer’s instructions say to add 1 teaspoon of fertilizer to 1 gallon of water, add only 1/2 to 1/4 teaspoon of fertilizer to 1 gallon of ...
Fertilisation of Orchids est le résumé du titre d'un livre de Charles Darwin publié en anglais en 1862 sous le nom complet de On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. Ce titre signifie « Sur les divers artifices par lesquels les insectes fécondent ...
