Effect of Aminoethoxy Analog of Rhizobitoxine on Ripening of Pears 1

AUTOR(ES)

Wang, Chien Yi

RESUMO

Ripening reactions in pears (Pyrus communis L.) were differentially affected by an aminoethoxy analog of rhizobitoxine (l-2-amino-4-[2-aminoethoxy]-trans-3-butenoic acid) (AAR). Ethylene production of both `Anjou' and `Bartlett' pears was inhibited by AAR. Decrease in firmness, increase in protein N and soluble pectin were delayed by AAR in `Anjou' but not in `Bartlett' pears. While loss in malic acid was retarded in `Anjou' pears, rates of citric acid accumulation and malic acid reduction were not affected by AAR in `Bartlett' pears.

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