EVALUATION OF DROUGHT RESISTANCE IN FOUR SPECIES OF AGROPYRON BASED ON GERMINATION AND INITIAL GROWTH PROPERTIES

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AKHAVAN ARMAKI M.; AZARNIVAND H.; ASSAREH M.H.; JAFARI A.ASHRAF; TAVILI A.

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Journal: Watershed Management Research Year:2013 | Volume:26 | Issue:1 (98) Page(s): 42-50

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Title

EVALUATION OF DROUGHT RESISTANCE IN FOUR SPECIES OF AGROPYRON BASED ON GERMINATION AND INITIAL GROWTH PROPERTIES

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Keywords

SEEDQ2

AGROPYRONQ2

DROUGHT STRESSQ2

GERMINATIONQ2

Abstract

Drought is an important environment stress that influence on the growth of the flora. To determine the stability mechanisms to stress in four AGROPYRON species at test with four different levels of osmosic potentials resulted from PEG 6000 including 0, -3, -6 and -9 executed in factorial and accidental manner with four interactions in hydroponic environment. In this study the four species of AGROPYRON (Ag. intermedium, Ag. trichophorum, Ag. pertenus, Ag. podpera) and four drought treatment (-3, -6 and -9 times distilled water) water used. In this essay the sprouting percentage, root length, shoot length, SEEDling length, root length to shoot length rate, SEEDling dry weight, SEEDling fresh weight, dry to fresh weight rate sprouting rate and SEED health index were determined. The results showed that with increasing the DROUGHT STRESS, the root shoot proportion, SEEDling weight and dry weight to fresh weight of SEEDling factors increased and other attributes were reduced significantly. The best levels to assess the stability to drought were the -6 and -9 load potentials in all drought levels. In general, in tested species, Ag. trichophorum species showed a better sprouting in under study potentials and had a meaningful preference to other species. From assessed parameters, SEEDling length and SEED index standard showed the most possible reaction to changing potential of water.

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APA: Copy

AKHAVAN ARMAKI, M., AZARNIVAND, H., ASSAREH, M.H., JAFARI, A.ASHRAF, & TAVILI, A.. (2013). EVALUATION OF DROUGHT RESISTANCE IN FOUR SPECIES OF AGROPYRON BASED ON GERMINATION AND INITIAL GROWTH PROPERTIES. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 26(1 (98)), 42-50. SID. https://sid.ir/paper/200633/en

Vancouver: Copy

AKHAVAN ARMAKI M., AZARNIVAND H., ASSAREH M.H., JAFARI A.ASHRAF, TAVILI A.. EVALUATION OF DROUGHT RESISTANCE IN FOUR SPECIES OF AGROPYRON BASED ON GERMINATION AND INITIAL GROWTH PROPERTIES. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2013;26(1 (98)):42-50. Available from: https://sid.ir/paper/200633/en

IEEE: Copy

M. AKHAVAN ARMAKI, H. AZARNIVAND, M.H. ASSAREH, A.ASHRAF JAFARI, and A. TAVILI, “EVALUATION OF DROUGHT RESISTANCE IN FOUR SPECIES OF AGROPYRON BASED ON GERMINATION AND INITIAL GROWTH PROPERTIES,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 26, no. 1 (98), pp. 42–50, 2013, [Online]. Available: https://sid.ir/paper/200633/en

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