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DOI:10.21273/HORTTECH04248-18
Web URL(s):https://journals.ashs.org/horttech/view/journals/horttech/29/2/article-p199.xml
    Last checked: 06/11/2019
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https://journals.ashs.org/horttech/downloadpdf/journals/horttech/29/2/article-p199.xml
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Publication Type:
i
Refereed
Author(s):Lukas, Scott B.; DeFrank, Joseph; Baldos, Orville C.; Qin, Ruijun
Author Affiliation:Lukas: Department of Horticulture, Oregon State University, Hermiston Agricultural Research and Extension Center, Hermiston, OR; DeFrank and Baldos: Department of Tropical Plant and Soil Sciences, University of Hawaii at Manoa, Honolulu, HI; Qin: Department of Crop and Soil Sciences, Oregon State University, Hermiston Agricultural Research and Extension Center, Hermiston, OR
Title:Torrid panicgrass dormancy relief through exogenous chemical treatments and seed storage optimization of temperature and relative humidity parameters
Source:HortTechnology. Vol. 29, No. 2, April 2019, p. 119-204.
Publishing Information:Alexandria, Virginia: American Society for Horticultural Science
# of Pages:6
Related Web URL:https://www.researchgate.net/publication/332083907_Torrid_Panicgrass_Dormancy_Relief_Through_Exogenous_Chemical_Treatments_and_Seed_Storage_Optimization_of_Temperature_and_Relative_Humidity_Parameters
    Last checked: 06/11/2019
    Notes: Abstract only
Keywords:TIC Keywords: Adaptation; Chemical tests; Dormancy breaking; Germination; Panicum torridum; Seed dormancy; Seed storage; Seedlings; Survival
Abstract/Contents:"Seed dormancy is an evolutionary adaptation for increasing seedling survival by delaying germination and is found in many families of seed plants. Although dormancy is ecologically important, it becomes problematic during agronomic production and restoration. Torrid panicgrass (Panicum torridum) is a native Hawaiian annual grass that has been identified as a re-vegetation candidate for seasonally dry areas. Torrid panicgrass seed appears to possess a nondeep to intermediate physiological dormancy. This research aimed to characterize dormancy relief parameters by 1) evaluating exogenous hormonal, reactive oxygen intermediates, and simulated combustion product treatments; and 2) determining optimized storage conditions of relative humidity (RH) and temperature over a 10-month duration. Results indicate that all exogenous chemical treatments tested were not effective at relieving the dormancy present in torrid panicgrass. Optimal storage conditions to relieve dormancy were found with seeds equilibrated to 12% RH, stored at 30 degrees Celsius for a period of 8 months resulting in 55% germination. Maintenance of viability for long-term storage up to 10 months was best achieved with seeds stored at 12% RH at 10, 20, or 30 degrees Celsius."
Language:English
References:27
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lukas, S. B., J. DeFrank, O. C. Baldos, and R. Qin. 2019. Torrid panicgrass dormancy relief through exogenous chemical treatments and seed storage optimization of temperature and relative humidity parameters. HortTechnology. 29(2):p. 119-204.
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DOI: 10.21273/HORTTECH04248-18
Web URL(s):
https://journals.ashs.org/horttech/view/journals/horttech/29/2/article-p199.xml
    Last checked: 06/11/2019
    Access conditions: Item is within a limited-access website
https://journals.ashs.org/horttech/downloadpdf/journals/horttech/29/2/article-p199.xml
    Last checked: 06/11/2019
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
    Notes: Direct download
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