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复旦大学:《植物生物学 Plant Biology》PPT课件_植物种子和果实发育、植物发育的基本模式和发育程序构建(杨继)

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When you make the biggest mistake ever, something good comes from it

When you make the biggest mistake ever, something good comes from it

(terminal bud) Petiole Node Shoot system Axillary bud Internode Node Stem Lateral root Root sustem Primary root

vascular Cortex Vascular bundl Pith Fascicular cambium Vascular nterfascicular cambium cambium

HORM TEMP VRN LIGHT REP Integration

Reproductive rowth Life Cycle of Seeds Higher Plants Vegetative Growth Germination

光周期 photoperiod de SHORT-DAY (LONG-NICHT) PLANT - LONG-DAY(SHORT-NICHT)PLANT

光周期 photoperiod

春化 vernalization A model for the control of flowering in barley by vernalization and photoperiod Ppd-Hf(Long photoperiod 16 promotes flowering ※ 10 8 prevent flowering Ppo-H2 (Short photoperiod In autumn suppresses flowering Winter no vemalization Weak Ppd-Hf effect requirement delays flowering

春 化 vernalization

by lighting weathering of rocks Scavenger helps breakdown soil bacteria break down organ Water lost by material releasing percolation to deeper layer nutrients and co ater(run off, evaporation ENVIRONMENTAL RESOURCES Solar energy percolation) A Minerals(leaching, run off Energy. CO,. H, O, Minerals Minerals PRIMARY PRODUCERS DECOMPOSERS Green vegetation Saprophytes(fungi) (tree, grass Scavengers(vulture) Soil bacteria Cycled within ecosystem 1ST LEVEL UMERS 2ND LEVEL CONSUMER (giraffe, gazelle, (lion, fish eagle)

沙丘生境 林下生境

林下生境 沙丘生境

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