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Published byTracey McCoy Modified over 9 years ago
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Reproduction of Flowering Plants
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Asexual reproduction Fragmentation Root system Original plant Suckers Sucker Plantlets
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Rhizome Adventitious roots Tuber Roots Rhizome Bulb Adventitious roots Stem Fleshy leaves Corm (modified stem) Leaf Scars Axillary bud Adventitious roots old corm (last year’s) old Fig. 35.18 Adventitious roots New shoot Scale leaf (at node) Stolon (runner) Asexual reproduction
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Asexual reproduction Cuttings
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Asexual reproduction: Grafting stock = main body (usually roots & some stem) scion = new plant part
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Asexual reproduction:Tissue culture
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artificial seeds (usually use alginate to encapsulate) Asexual reproduction seeds without sex
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Eudicot flower
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= microspore mother cell (tetrad arrangement) Making a male gametophyte 2-3 cells
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Eudicot flower
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= megaspore mother cell Making a female gametophyte micropyle 7 cells
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complete vs. incomplete
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perfect vs. imperfect
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male female Hermaphroditic/bisexual vs. unisexual flowers Monoecious plants Dioecious plants
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solitary inflorescences
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Pollination Self-incompatible Self compatible stigma
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Double fertilization
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Eudicot seed development
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Eudicot seed (bean) Monocot seed (corn; old 36-2b) (scutellum) Plumule
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Simple Fruits
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Aggregate fruit: one flower with multiple carpels blackberry
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Inflorescence (a cluster of flowers on a common floral stalk) Single female flower Multiple fruit Old Fig. 35.13 mulberry
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Accessory fruit
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Dispersal
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