ISHS Acta Horticulturae 239: VI International Symposium on Growth Regulators in Fruit Production
CONTROL OF POST-HARVEST ACTION OF ETHYLENE ON TREE FRUITS |
| Author: | M. Knee |
| Abstract:
Ethylene synthesis and action in climacteric fruits are examined in order to identify sites of control and opportunities for manipulation. Synthesis seems to involve a concerted increase in activity of ACC synthase and ethylene forming enzyme. The ability of ethylene to induce this increase is the distinguishing feature of climacteric fruit, and inducibility has been shown to increase during apple fruit development. Endogenous ethylene and the "tree factor" do not appear to regulate inducibility in apples. Some apple varieties are slow to attain the inducible state and daminozide can inhibit induction. Control of induction should delay but may not completely suppress "ethylene dependent" processes in fruit ripening. | |
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