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Ethylene and fruit ripening Ethylene in Fruit ripening Climacteric and climacteric fruit Other physiological effects of Ethylene Ethylene in Fruit ripening H2C = CH2 Ethylene in Fruit ripening Ripening and over-ripe phase Ethylene induce lateral cell expansion Ethylene concentration (ppm) Ethylene in apoptosis Ethylene in leaf abscission Abscissio n layer Protective layer Ethylene Induces the Formation of Roots and Root Hairs Ethylene in leaf abscission Plant in left: after days spray with 50ppm of ethylene Plant in right: control Ethylene Breaks Seed and Bud Dormancy in Some Species Breaks seed dormancy Break bud dormancy Ethylene Promotes the Elongation Growth Of Submerged Aquatic Species