The study of germination, biochemical and enzymatic characteristics of buckwheat (Fagopyrum esculentum Moench) affected by drought and salinity stresses

Document Type : Research Paper

Authors

shahed university

Abstract

In order to evaluate the effect of drought and salinity stresses on germination, biochemical and enzymatic characteristics of buckwheat seed were conducted two separate experiments in the laboratory of Seed Science and Technology of Shahed University in 2016. The experiments were conducted in a completely randomized design with three replications. Treatments were including eight levels of osmotic potential (zero, -2, -4, -6, -8, -10, -12and -14 bar) of drought and salinity. Analysis of variance showed were significant the effects of drought and salinity on percentage and rate of germination, seedling length, vigor, chlorophyll content, soluble protein, superoxide dismutase and catalase activity. The results of salinity and drought stresses on measured parameters showed that the effects of salinity and drought were inhibition, but inhibition of osmotic stress of salinity was highest from drought, as a result, no normal germination occurred in the salinity of 10 bar and in drought -14 bar. The decrease in chlorophyll and protein content under drought stress was more of salinity stress and conditions there led to increased activity of catalase under drought stress and superoxide dismutase under salinity stress. The results suggest that buckwheat drought compatibility and more resistant to salinity stress is applied.

Keywords

References

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Iranian Journal of Seed Sciences and Research
Volume 5, Issue 3
October 2018
Pages 33-46

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