Chapitre 35
Reproduction des plantes
Pollinisation et structure des fleurs
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and ...
Cycle de vie des angiospermes
Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid ...
Structure des graines et développement précoce du sporophyte
Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the ...
Développement, structure et fonction des fruits
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form ...
Reproduction asexuée
Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical ...
Culture de tissus végétaux
Plant tissue culture is widely used in both primary and applied science. Applications range from plant development studies to functional gene studies, ...
Sélection des plantes et biotechnologie
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early ...
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