EFFECT OF GIBBERELLIC ACID AND FORCHLORFENTHURON (C P P U) APPLICATION ON PRESERVING THOMPSON SEEDLESS GRAPE BUNCHES QUALITY AFTER STORAGE.

Elzayat,, H. E.; EI Helw, Hanaa A.; Rizk, Isis A.

doi:10.21608/jpp.2004.238606

EFFECT OF GIBBERELLIC ACID AND FORCHLORFENTHURON (C P P U) APPLICATION ON PRESERVING THOMPSON SEEDLESS GRAPE BUNCHES QUALITY AFTER STORAGE.

Document Type : Original Article

Authors

Horticultural Research Institute, ARC

10.21608/jpp.2004.238606

Abstract

Thompson 5 eedless g rape bunches f rom a farm In Kaliobeya governorate
treated separately by GAJ(40 ppm), by cppu ( 3 ppm and 5 ppm ) and by a
combination of GAl and both doses of cppu, were culled at optimum maturity, and
wrapped in polyethylene vented bags and kept in cartons. Half of the bags were
provided with S02 generating sachets. The bags were divided Into storage in ambient
conditions (3 days) and In cold store ( 6 weeks at OoC ). By end of storage period,
grape quality was evaluated, and exemption of decay was estimated. Joint application
of cppu and GA3 Increased "markedly cluster and beny weight compared to control,
and So2 generators were effective In limiting decay Infection. Application of cppu alone
or combined with GA3 delayed maturity, and decreased total soluble solids after cold
storage or ambient slay periods, as compared 10 control. Acidity was also higher In
the above mentioned applications.