Influence of the Rootstock on the Performance of ‘Valencia Late’ Sweet Orange in the Gharb Region (Northwestern Morocco)

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Influence of the Rootstock on the Performance of ‘Valencia Late’ Sweet Orange in the Gharb Region (Northwestern Morocco)

September 19, 2020 Agricultural Sciences 0

The effect of 14 rootstocks on yield, yield efficiency, tree size and fruit quality of ‘Valencia late’ sweet
orange was studied in the Gharb region (northwestern Morocco). Over 5 years of production, total
cumulative yield was the highest on Citrumelo 4475 (11) and PT B6 Z13 (5). In terms of productivity,
Citrumelo 4475 (11),
Citrus volkameriana (25), the Sunki mandarin x PT (39) hybrid, Citrus
macrophylla
(24) and the Sunki mandarin x PT 16 hybrid were the most efficient rootstocks. This
study also revealed that the use of some rootstocks improved significantly juice content of Valencia
late fruits. These rootstocks included
Citrus volkameriana (25), PT B6 CZ 24 (3), PT B6 CZ 13 (5),
Cleopatra mand x CC (30), Sunki mandarin x PT (16), Citrumelo 4475 (11) and Citrumelo 1452 (41).
In terms of acidity and Brix, the study has identified rootstocks that enhanced both fruit quality
parameters, namely Carrizo citrange (7), Sunki mandarin x PT (17), Citrumelo 1452 (41), Citrumelo
4475 (11), Sunki mandarin x PT (17), Sunki mandarin x PT (16) and PT B6 CZ 24 (3).

Author(s) Details

Hamid Benyahia
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.

Anas Fadli
Laboratory of Plant Genetics and Improvement, Citrus Research and Education Center, IFAS, University of Florida, Lake Alfred, FL 33850, USA.

Ouiam Chetto
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.

Abdelhak Talha
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.


Fatima Ezzahra Omari
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.

Lhou Beniken
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.

Najat Handaji
Research Unit of Plant Breeding and Conservation of Phytogenetic Resources, National Institute for Agricultural Research (INRA), Kenitra, Morocco.

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