Original Research

Fruit growth of Minneola tangelo (Citrus paradisi x C. reticulata)

H. J. Esterhuizen, L. C. Holtzhausen, E. Swart
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 10, No 2 | a493 | DOI: https://doi.org/10.4102/satnt.v10i2.493 | © 1991 H. J. Esterhuizen, L. C. Holtzhausen, E. Swart | This work is licensed under CC Attribution 4.0
Submitted: 08 July 1991 | Published: 08 July 1991

About the author(s)

H. J. Esterhuizen,, South Africa
L. C. Holtzhausen,, South Africa
E. Swart,, South Africa

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Abstract

The influence of gibberellic acid (GA₃) on the fruit growth pattern of the Minneola tungelo was investigated. The growth pattern follows a S-curve, similar to other citrus cultivars but the growth rate differs. GA₃, applied at low concentrations caused a slightly slower fruit growth rate compared to controls, resulting in smaller fruit. In the case of GA₃ , applied at 15ppm, fruit numbers exceeded those of the control. GA₃ treatment of fruit resulted in a slight decrease in average seed con­tent. GA₃, had no significant effect on juice quality.

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