GERMINATION TWO RANGELANDS SPECIES OF HELICHRYSUMGLOBIFERUM AND HELICHRYSUMAUCHERI UNDER WATER STRESS

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JAFARIAN Z.; AHMADI E.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2016 | Volume:6 | Issue:4 Page(s): 1-10

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Information Journal Paper

Title

GERMINATION TWO RANGELANDS SPECIES OF HELICHRYSUMGLOBIFERUM AND HELICHRYSUMAUCHERI UNDER WATER STRESS

Author(s)

JAFARIAN Z. | AHMADI E. | Issue Writer Certificate

Keywords

WATER STRESSQ2

PERCENTAGE OF GERMINATIONQ2

SPEED OF GERMINATIONQ2

ALLOMETRIC COEFFICIENTQ2

Abstract

Arid and semi-arid rangelands are formed the most areas of Iran, hence it is necessary to be tolerant the plants of this region against drought. Using of resistant species to drought is vital for improving and developing of the rangelands. In this study, we evaluated the effects of drought stress onHelichrysum globiferom and Helichrysum aucherigermination properties. Seeds of two species were collected of Qushchy rangelands in 70 kilometers of the old road of Urmia–Karabakh. A factorial experimental design with four repeats and four salinity levels (0-50-100-150 mM PEG) in Seed Ecology laboratory of Sari Natural Resource Faculty was chosen.Results showed that drought stress had a significant subtractive effect on percentage and SPEED OF GERMINATION, stem, and plant and root length in two Species. About all studied traits, the species ofHelichrysum globiferom had more reduction properties thanHelichrysum aucheri species. The ratio of Root to shoot length (allometric coefficient) also was the highest inHelichrysum globiferom. So the highest decrease in both species was observed in germination in treatment 100 and 150 mM because in this treatment no seed is germination. Therefore, as the species ofHelichrysum globiferomis more resistant than another one, it is suggested to use it for improving and developing of rangelands.

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APA: Copy

JAFARIAN, Z., & AHMADI, E.. (2016). GERMINATION TWO RANGELANDS SPECIES OF HELICHRYSUMGLOBIFERUM AND HELICHRYSUMAUCHERI UNDER WATER STRESS. NATURAL ECOSYSTEMS OF IRAN, 6(4), 1-10. SID. https://sid.ir/paper/215175/en

Vancouver: Copy

JAFARIAN Z., AHMADI E.. GERMINATION TWO RANGELANDS SPECIES OF HELICHRYSUMGLOBIFERUM AND HELICHRYSUMAUCHERI UNDER WATER STRESS. NATURAL ECOSYSTEMS OF IRAN[Internet]. 2016;6(4):1-10. Available from: https://sid.ir/paper/215175/en

IEEE: Copy

Z. JAFARIAN, and E. AHMADI, “GERMINATION TWO RANGELANDS SPECIES OF HELICHRYSUMGLOBIFERUM AND HELICHRYSUMAUCHERI UNDER WATER STRESS,” NATURAL ECOSYSTEMS OF IRAN, vol. 6, no. 4, pp. 1–10, 2016, [Online]. Available: https://sid.ir/paper/215175/en

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