Scientia Horticulturae
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Honore, Mireille Nathalie; Belmonte Ureña, Luis Jesús; Navarro Velasco, Asensio; Camacho Ferre, FranciscoFecha
2020-01-18Resumen
One of the major problems when planting papaya using traditional methods is sex identification of the plant to
obtain the highest yield from hermaphrodite fruits. The problem derives from the competence between plants,
before sex identification, when three to four plants are planted together. This problem was solved applying a
R.A.P.D. technique (Randomly Amplified Polymorphic DNA) in early sex-identification in the laboratory of the
nursery with the first true leaf of the plant. Furthermore, economic costs and wasted vegetal material caused by
removing female plants from production can be avoided by grafting hermaphrodite plants onto female plants.
The nursery facilities for horticultural plants in Almería allow herbaceous grafting work, as well as the production of balanced relationship between aerial and root biomass. For this reason, an experiment was conducted
to evaluate yield parameters in the planting of large and small, sex-identified plants. The plants grown were the
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Palabra/s clave
Carica papaya
Traditional transplant
Sex-Identified plant transplant
Plant size in transplant
Grafting