Physical seed dormancy in Collaea argentina [Fabaceae] and Abutilon pauciflorum [Malvaceae] after 4 years storage
Collaea argentina [Fabaceae] and Abutilon pauciflorum [Malvaceae] are of high medicinal and ornamental value and are collected for pharmaceutical and horticultural purposes. However, one obstacle for plant production is the occurrence of seed dormancy. Here, we confirmed the occurrence of dormancy i...
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| Otros Autores: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2010Galindez.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Physical seed dormancy in Collaea argentina [Fabaceae] and Abutilon pauciflorum [Malvaceae] after 4 years storage |
| 520 | |a Collaea argentina [Fabaceae] and Abutilon pauciflorum [Malvaceae] are of high medicinal and ornamental value and are collected for pharmaceutical and horticultural purposes. However, one obstacle for plant production is the occurrence of seed dormancy. Here, we confirmed the occurrence of dormancy in these species, identified possible methods for breaking dormancy and assessed the dormancy condition after seed storage. Wet heat, physical and acid scarification were effective methods for breaking physical dormancy in both species. After four years of dry storage, a high proportion of C. argentina seeds were able to germinate [i.e. physical dormancy levels had reduced], whereas A. pauciflorum seeds continued to be dormant but were more sensitive to dormancybreaking treatments. These results should aid plant production and seed conservation of these two species. | ||
| 653 | 0 | |a ABUTILON HULSEANUM | |
| 653 | 0 | |a FABACEAE | |
| 653 | 0 | |a MAGNOLIOPHYTA | |
| 653 | 0 | |a MALVACEAE | |
| 700 | 1 | |9 28573 |a Galíndez, Guadalupe | |
| 700 | 1 | |9 58205 |a Ortega Baes, Pablo | |
| 700 | 1 | |9 68287 |a Seal, Charlotte E. | |
| 700 | 1 | |a Daws, M. I. |9 72072 | |
| 700 | 1 | |a Scopel, Ana Leonor |9 711 | |
| 700 | 1 | |a Pritchard, H. W. |9 72073 | |
| 773 | |t Seed Science and Technology |g Vol.38, no.3 (2010), p.777-782 | ||
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| 900 | |a ^aGalÃndez^bG.^tInstituto de Recursos Biológicos, CRN-CNIA-INTA Castelar, Las Cabañas y de los Reseros S/N, Hurlingham, 1686, Argentina | ||
| 900 | |a ^aOrtega-Baes^bP.^tLaboratorio de Investigaciones Botánicas, Facultad de Ciencias Naturales, Universidad Nacional de Salta, Buenos Aires 177, Salta, 4400, Argentina | ||
| 900 | |a ^aSeal^bC.E.^tSeed Conservation Department, Royal Botanic Gardens, Kew, Wakehurst Place, Ardingly, West Sussex RH17 6TN, United Kingdom | ||
| 900 | |a ^aDaws^bM.I.^tCONICET, Laboratorio Estación de BiologÃa Sierras, FAUBA, Hipólito Yrigoyen 354, Córdoba, 5174, Argentina | ||
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| 900 | |a Collaea argentina [Fabaceae] and Abutilon pauciflorum [Malvaceae] are of high medicinal and ornamental value and are collected for pharmaceutical and horticultural purposes. However, one obstacle for plant production is the occurrence of seed dormancy. Here, we confirmed the occurrence of dormancy in these species, identified possible methods for breaking dormancy and assessed the dormancy condition after seed storage. Wet heat, physical and acid scarification were effective methods for breaking physical dormancy in both species. After four years of dry storage, a high proportion of C. argentina seeds were able to germinate [i.e. physical dormancy levels had reduced], whereas A. pauciflorum seeds continued to be dormant but were more sensitive to dormancybreaking treatments. These results should aid plant production and seed conservation of these two species. | ||
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