@Article{phyton.2018.87.265,
AUTHOR = {Chichizola GA, AE Rovere, SL Gonzalez},
TITLE = {Germination of <i>Oenothera odorata</i>, endemic ruderal Onagraceae from Argentina},
JOURNAL = {Phyton-International Journal of Experimental Botany},
VOLUME = {87},
YEAR = {2018},
NUMBER = {all},
PAGES = {265--273},
URL = {http://www.techscience.com/phyton/v87nall/33966},
ISSN = {1851-5657},
ABSTRACT = {The Onagraceae are a well-defined family of flowering
plants much used by man. Many representatives of this group, which
contains 75 species belonging to 8 genera, are indigenous to Argentina,
and 19% of these are commonly found throughout the country.
Many Onagraceae are ruderal and promote the subsequent establishment
of other species, thus contributing to the restoration of degraded
areas. Since it is important to know the characteristics of seeds
to be used in restoration projects, we studied the basic germination
physiology of <i>Oenothera odorata</i> Jacq., a ruderal plant indigenous to
Argentina. Material was collected from roadsides and embankments
along National Highway 40 in the municipality of San Carlos de
Bariloche, which lies within the Patagonian phytogeographical Province.
Road construction generates degraded areas where <i>O. odorata</i>
could be used to initiate revegetation and consolidate the substrate.
We evaluated percentage germination (G), mean germination time
(MGT) and time until initiation of germination (TUG) of a control
(C) and of the following pre-germination treatments: 45 days cold
moist stratification (CMS) and mechanical scarification with a scalpel
(MS). Germination percentages were high (98% CMS, 96% MS,
93% C), with differences recorded only between CMS and C. MGT
was lower in the CMS treatment than the control, but similar to MS.
TUG was 4 days for all treatments. In conclusion, this species lacks
dormancy mechanisms under these experimental conditions, which,
together with the fact that it grows in disturbed sites, is endemic,
and captures heavy metals, makes it suitable for use in the ecological
restoration of areas affected by transport systems.},
DOI = {10.32604/phyton.2018.87.265}
}