Ethylene is a simple organic molecule existing as a gas in nature and as a waste product of domestic and industrial processes. It can either be beneficial or harmful, depending on where and in what quantity it is produced. Because ethylene accelerates plant senescence, large losses of horticultural produce are incurred yearly. To overcome the detrimental effects of ethylene, various techniques have been developed. Usually, the simplest and cheapest techniques are the most effective. It may not be long before the beneficial effects of ethylene are extended to horticultural produce by molecular manipulation of its biosynthesis and action.
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