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• Evaluation study for the effect of four mango rootstocks on behaviour of Keit mango variety

  49-53.

  M. Zayan

  S. Zeerban

  A. El-Samak

  A. Ezzat

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  285

  Our investigation was carried out in four mango rootstocks were namely Zebda, Socaria, 13/1 an 4/9. This study reviewed the effect of these rootstocks on growth behaviour of Keit mango variety as a scion grown on them. This evaluation and comparison included data on following aspects: the vegetative growth characters, root growth parameter, uptake of some macro nutrient and some organic substance. All results in this regard refer that the Socaria rootstock gave the highest values off all parameters so it is considered as a vigorous rootstocks, means that the trees on this rootstocks will reach to high size after short time. By contrast, Zebda rootstocks gave the lowest values in this concern and this will reflect on tree size on it. This means that the Zebda rootstocks will be useful in the system of high density orchard comparing with Socaria. Concerning to other rootstocks, they were intermediate between Socaria and Zebda rootstocks.