Effect of Some Pruning Applications on Leaf to Fruit Ratio, Yield and Fruit Quality of ‘Florida Prince’ Peach Trees

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This study was carried out during two successive seasons of 2011/2012 and 2012/ 2013 on seven years old ‘Florida Prince’ peach trees budded on Nemagard rootstock. The trees were grown in sandy soil at a private orchard, in Regwa district at Giza governorate, Egypt. Four thinning pruning levels were applied on the 1st November by leaving 70, 85 and 100 one-year-old shoots/ tree beside control trees (unpollarded trees), with or without three heading back cut level treatments (on the same shoots) by removing 25, 50 and 75% from the terminal shoot length. Concerning the effect of thinning pruning levels applications, 70 shoots/tree gave the highest significant leaf to fruit ratio and both fruit physical and chemical characters followed by 85 & 100 shoots/ tree then control trees in both seasons, respectively. In addition, heading back pruning level treatment 75% gave the best leaf to fruit ratio, fruit physical and chemical characters in both seasons. Moreover, the interaction between thinning applications and heading back treatments indicated that 70 shoots/ tree + 75% heading back treatment increased leaf to fruit ratio value (35.63:1 & 35.48:1) and fruit quality in both seasons. On the other hand, control treatment gave the highest average of yield and the lowest leaf to fruit ratio value (20.06:1 & 20.14:1) and fruit quality in both seasons.

Samira, M. Mohamed
T.A. Fayed
A.M. Hussein
Safaa M. Maged
Journal of Horticultural Science & Ornamental Plants