Desenvolvimento inicial de híbridos de porta-enxertos de citros em casa de vegetação
Barbosa, Vitor Ribeiro
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Brazil is leader in oranges production and export. For this, it depends on technologies in its production system and one of the most important is the seedlings production using grafting, where the rootstock can provide greater productivity and better characteristics of abiotic and biotic resistance to the canopy. In Brazil, the great majority of the grafting was done in Rangpur lime, which has a good resistance to water deficit, but is subject to Citrus sudden death, and because this the study and use of other rootstocks, such as the Swingle Citrumelo has growing. The present study aimed to evaluate the initial development of 24 hybrids in a greenhouse, located in the Centro APTA Citros Sylvio Moreira (Cordeirópolis, SP), through periodic intervals of plants height and stem diameter. As result, the hybrids 57 and 154 showed greater growth of stem diameter and the 119 in aerial part height, and may be good rootstock options in orchards of São Paulo in the future.
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