Effect of nacl salinity on seed germination and seedling emergence of purple passion fruit passiflora edulis sims Report as inadecuate




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Gerhard Fischer ; Stanislav Magnitskiy ; Guillermo Zuluaga ;Agronomía Colombiana 2014, 32 2

Author: Luis Ariel Montaña

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Agronomía Colombiana ISSN: 0120-9965 agrocolfabog@gmail.com Universidad Nacional de Colombia Colombia Ariel Montaña, Luis; Fischer, Gerhard; Magnitskiy, Stanislav; Zuluaga, Guillermo Effect of NaCl salinity on seed germination and seedling emergence of purple passion fruit ( Passiflora edulis Sims) Agronomía Colombiana, vol.
32, núm.
2, 2014, pp.
188-195 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=180332010005 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Effect of NaCl salinity on seed germination and seedling emergence of purple passion fruit (Passiflora edulis Sims) Efecto de la salinidad por NaCl sobre la germinación de semillas y emergencia de plántulas de gulupa (Passiflora edulis Sims) Luis Ariel Montaña1, Gerhard Fischer2, Stanislav Magnitskiy2, and Guillermo Zuluaga3 ABSTRACT RESUMEN The purple passion fruit is propagated by seeds, but factors, such as hardiness and impermeability of the testa and salinity and pH of the soil, give rise to problems in germination and uniformity of seedlings.
The objectives of the study were to evaluate the effect of different NaCl concentrations (0, 30, 60, 90, and 120 mM, corresponding to 0.8, 3.0, 6.0, 9.0, and 12.2 dS m-1) on the germination and emergence of purple passion fruit seeds.
For the germination test, 50 seeds per Petri dish were used, which were watered with a saline solution weekly. A seed was considered germinated when the radicle reached 2 mm.
In the case of seedling emergence, 50 seeds were sown in cleaned river sand at a 1 cm depth on polystyrene trays, covered with transparent plastic film.
They were irrigated weekly with different NaCl concentrations and the electrical conductivity (EC) of the sub...





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