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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.1982.tde-20220208-040646
Document
Author
Full name
Ronaldo Veloso Naves
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 1982
Supervisor
Title in Portuguese
Propagação da mangueira (Mangifera indica L.): manejo de sementes e comportamento de porta-enxertos
Keywords in Portuguese
MANGA
PORTA-ENXERTOS
PROPAGAÇÃO VEGETAL
SEMENTES
Abstract in Portuguese
Foram desenvolvidos 6 ensaios na Escola Superior de Agricultura Luiz de Queiroz, da Universidade de São Paulo, em Piracicaba, São Paulo, Brasil, com o objetivo de comparar algumas características de quatro cultivares de mangueira (Coquinho, Espada, Haden e Rosinha) para porta-enxertos, em condições de sementeira e viveiro. Os ensaios foram os seguintes: características físicas da sementes e frutos; armazenamento das sementes de manga nos frutos; armazenamento das sementes de manga; tratamento das sementes (tipos de corte); profundidade de semeadura; comportamento das cultivares em viveiro. Os principais resultados obtidos demonstraram que: as sementes de manga das cultivares estudadas não suportam período de armazenamento superior a 15 dias, sem perda considerável do poder germinativo. No armazenamento de sementes demanda dentro e fora dos frutos por 15, 30 e 45 dias observou-se uma tendência da cultivar Rosinha em apresentar uma maior viabilidade de germinação em relação as outras cultivares. A Haden nestas condições apresentou uma tendência inversa. O uso de sementes de manga sem endocarpo (amêndoa) apresentou maiores percentagens e velocidade de germinação em relação às sementes cortadas e sementes com endocarpo. A velocidade determinação da 'Haden' foi superior às demais cultivares nos tratamentos de sementes cortadas e sementes com endocarpo. A percentagem e a velocidade de germinação diminuiu com o aumento da profundidade de semeadura. A cultivar Haden apresentou os porta-enxertos mais vigorosos (altura e diâmetro). Entre-os porta-enxertos de Rosinha Coquinho e Espada não se observou diferenças significativas de vigor. As cultivares Coquinho e Rosinha apresentaram pagamento de enxertia superior à Haden.
Title in English
Propagation of the mango tree (Mangifera indica L.): seed management and behavior of stocks for grafting
Abstract in English
This research was carried out in order to compare some characteristics of four mango tree cultivars (Coquinho, Espada, Haden, Rosinha), used as stocks for grafting, concerning the development in the seed plot and at the nursery conditions. The experiments were set at the Escola Superior de Agricultura Luiz de Queiroz, University of São Paulo, Piracicaba, State of São Paulo, Brazil. The following parameters were studied: physical characteristics of seeds and fruits; mango seed storage in the fruit; mango seed storage; in the fruit; mango seed storage; seed treatment according to the type of endocarpic cutting (corte); depth of sowing; behavior of the cultivars in the nursery. The results were as follows; the seeds of the mango cultivars studied do not tolerate a storage period higher than 15 days, after what there occurs a considerable loss of the germination capacity; the storage of the mango seeds in and out of the fruit for 15, 30 and 45 days it was observed a tendency of the cultivar Rosinha to show a viability of germination higher than that of the other cultivars, and in these conditions the cultivar Haden presented an inverse tendency; the utilization of endocarpless mango seeds (amêndoas) presented higher percentage and speed of germination when compared with the cut seeds and the ones with endocarp; the speed of germination of the cultivar Haden was higher than the other cultivars in the treatments of cut seeds and seeds with endocarp; the percentage and the speed of germination decreased as the depth of sowing increased the cultivar Haden presented stocks for grafting more vigorou (height and diameter); among the stocks for grafting of the cultivars Coquinho, Rosinha, and Espanha no significant differences were observed in the vigour the cultivars Coquinho and Rosinha presented more sucess of grafting than that of the cultivar Haden.
 
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Publishing Date
2022-02-08
 
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