RIAA
Vol. 12 No. 2 (2021)
Published 2021-06-02
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Copyright (c) 2021 Revista de Investigación Agraria y Ambiental

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Área Agrícola

Response of Lupinus bracteolaris seeds to pre-germinative treatments and experimental conditions

DOI: https://doi.org/10.22490/21456453.4278
Paim, L.P. Universidade Federal do Rio Grande do Sul
Avrella, E.D. Universidade Federal do Rio Grande do Sul
Horlle, J.C. Universidade Federal do Rio Grande do Sul
Fior, C.S. Universidade Federal do Rio Grande do Sul
Lazarotto, M. Universidade Federal de Pelotas
Brunes, A.P. Universidade Federal do Rio Grande do Sul
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Contextualization: Lupinus bracteolaris is a heliophite species that vegetates low lands, open slopes and sandstone hills.

Knowledge gap: Despite the high rusticity and potential for covering poor soils, there is still no information to assist in the analysis of its seeds.

Purpose: To determine pre-germinative treatments, substrate, temperature, luminosity and water intake in the vigor of Lupinus bracteolaris seeds.

Methodology: Fruits were collected from 20 matrix plants, then the seeds were processed and submitted to the following tests: pre-germinative methods (six treatments at 25°C); substrates and temperatures (sand and paper at 20, 25 and 30°C); photoblast test (white light, diffuse-green light and continuous dark under 20°C) and the imbibition curve (control and scarification between sandpaper under 20°C). Evaluations: percentage of germination and formed seedlings, germination speed index, average germination time and seedling formation, using a completely randomized design.

Results and conclusions: According to the analyzed variables, the results showed superiority for the pre-germinative treatment between sandpapers for 20 seconds. In addition, the substrate paper germibox and the temperature of 20°C were the most suitable during seed germination. The seeds of Lupinus bracteolaris were classified as neutral-photoblastic and without dormancy.

keywords: Luminosity, native lupine, seed germination, substrate, temperature, without dormancy
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Copyright (c) 2021 Revista de Investigación Agraria y Ambiental

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

When RIAA receives the postulation of an original by its author, either through email or post mail, considers that it can be published in physical and/or electronic format and facilitates its inclusion in databases, newspaper archives and other systems and indexing process. RIAA authorizes the reproduction and citation of the Journal’s material, provided that explicitly indicates journal name, the authors, the article title, volume, number and pages. The ideas and concepts expressed in the articles are responsibility of the authors and in no case reflect the institutional policies of the UNAD.

How to Cite
Pinto Paim, L., Demari Avrella, E., Carolina Alves Horlle, J. ., Sidnei Fior, C., Lazarotto, M., & Pich Brunes, A. (2021). Response of Lupinus bracteolaris seeds to pre-germinative treatments and experimental conditions. Revista De Investigación Agraria Y Ambiental, 12(2), 51-66. https://doi.org/10.22490/21456453.4278
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