Reproduction of Flowering Plants. Asexual reproduction Fragmentation Root system Original plant...
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Transcript of Reproduction of Flowering Plants. Asexual reproduction Fragmentation Root system Original plant...
![Page 1: Reproduction of Flowering Plants. Asexual reproduction Fragmentation Root system Original plant Suckers Sucker Plantlets.](https://reader036.fdocuments.in/reader036/viewer/2022062322/56649f355503460f94c52dd9/html5/thumbnails/1.jpg)
Reproduction of Flowering Plants
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Asexual reproduction
Fragmentation
Root system
Originalplant
Suckers
Sucker
Plantlets
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Rhizome
Adventitiousroots
Tuber
Roots
RhizomeBulb
Adventitiousroots
Stem
Fleshyleaves
Corm(modifiedstem)
Leaf Scars
Axillary bud
Adventitiousroots
old corm(last year’s)
old Fig. 35.18Adventitiousroots
Newshoot
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)
Singlefemaleflower
Multiple fruit
Old Fig. 35.13
mulberry
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Accessory fruit
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Dispersal