Effect of ethylene on the permeability of excised cantaloupe fruit tissue.

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Abstract
The pattern of water flux in tissue disks excised from cantaloupe fruits was examined. Short term (3 hr.) ethylene treatment, applied either to the intact young fruit before excision of disks or to the disks after excision, caused an increased water influx, followed by a sharply accelerated efflux, as compared to control tissue. The change in water flux may result from a change in permeability. The brief ethylene treatment was not long enough to cause the typical respiratory response in intact fruit, and perhaps the permeability response must precede the respiratory response. Older fruit (30 days from anthesis) showed no change in either water flux or respiration in response to the short ethylene.