Rapeseed Seed Viability Reaction to Priming Treatments and Drying Conditions of Primed Seeds

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Malek Mohsen; GHADERI FAR FARSHID; TORABI BENJAMIN; Sadeghipour Hamidreza

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2020 | Volume:22 | Issue:1 Page(s): 27-42

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Title

Rapeseed Seed Viability Reaction to Priming Treatments and Drying Conditions of Primed Seeds

Author(s)

Malek Mohsen | GHADERI FAR FARSHID | TORABI BENJAMIN | Sadeghipour Hamidreza | Issue Writer Certificate

Keywords

Controlled deterioration testQ1

drying methodsQ1

heat shockQ2

hydroprimingQ2

osmoprimingQ1

storageQ2

Abstract

In order to investigate the effects of drying methods (desiccation treatment), heat shock, and osmotic stress treatments on viability of primed seeds from different rapeseed cultivars, an experiment has been conducted in 2017-2018 at the Seed Research Laboratory of Gorgan University of Agricultural Sciences and Natural Resources. In this study, seeds of three canola cultivars, i. e., Dk-xpower, Teraper, and Hayola50, all exposed to priming treatments, undergo desiccation, heat shock, and osmotic stress treatments. Thereafter, to investigate the effects of different treatments, the treated seeds have been subjected to Controlled deterioration test. Finally, after fitting the three-parameter logistic model to germination percentage during Controlled deterioration test, the time for germination decline to 50% has been calculated and used as the criterion to compare seed viability. Results show that the response of rapeseed cultivars to different treatments have been different. Furthermore, priming methods and different treatments in drying phase of primed seeds, display varied effects on seeds' lifespan. In general, heat shock treatments are found efficient in Dk-xpower and Traper cultivars as they increase seeds' lifespan. In contrast, osmotic stress treatments often have had negative effects on seed viability in all canola cultivars. Even, "osmopriming" and subsequent slow drying of primed seeds have had more negative effects than "hydroperiming", associated with fast drying methods.

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APA: Copy

Malek, Mohsen, GHADERI FAR, FARSHID, TORABI, BENJAMIN, & Sadeghipour, Hamidreza. (2020). Rapeseed Seed Viability Reaction to Priming Treatments and Drying Conditions of Primed Seeds. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 22(1 ), 27-42. SID. https://sid.ir/paper/209253/en

Vancouver: Copy

Malek Mohsen, GHADERI FAR FARSHID, TORABI BENJAMIN, Sadeghipour Hamidreza. Rapeseed Seed Viability Reaction to Priming Treatments and Drying Conditions of Primed Seeds. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2020;22(1 ):27-42. Available from: https://sid.ir/paper/209253/en

IEEE: Copy

Mohsen Malek, FARSHID GHADERI FAR, BENJAMIN TORABI, and Hamidreza Sadeghipour, “Rapeseed Seed Viability Reaction to Priming Treatments and Drying Conditions of Primed Seeds,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 22, no. 1 , pp. 27–42, 2020, [Online]. Available: https://sid.ir/paper/209253/en

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