EFFECTS OF SEED SCARIFICATION ON VEGETATION PARAMETERS IN SOME ASTRAGALUSSPECIES UNDER FIELD CONDITIONS (CASE STUDY: HOMAND ABSARD, DAMAVAND, IRAN)

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ZAREKIA SEDIGHEH; ZANDI ESFAHAN EHSAN

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Journal: JOURNAL OF RANGELAND SCIENCE Year:2014 | Volume:4 | Issue:2 Page(s): 151-158

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Title

EFFECTS OF SEED SCARIFICATION ON VEGETATION PARAMETERS IN SOME ASTRAGALUSSPECIES UNDER FIELD CONDITIONS (CASE STUDY: HOMAND ABSARD, DAMAVAND, IRAN)

Author(s)

ZAREKIA SEDIGHEH | | ZANDI ESFAHAN EHSAN | Issue Writer Certificate

Keywords

ASTRAGALUSQ2

SCARIFICATIONQ2

FORAGE YIELDQ2

HOMAND ABSARD RANGELAND RESEARCH STATIONQ2

Abstract

This research aims to evaluate the effects of seed SCARIFICATION on five perennial ASTRAGALUSspecies including A. effusus, A. vegetus, A. subsecundus, A. brevidens and A.cyclophyllonin the field conditions. Seeds were sown after SCARIFICATION with sandpaper by hand in the field of HOMAND ABSARD RANGELAND RESEARCH STATION, Damavand, Iran in autumn in 2008. The seeds were sown using split plot design based on the completely randomized block design with three replications. In each plot, seeds of each accession were sown on two parallel lines (scarified and control) with 2 m length and 75 cm along with the distance of 50 cm for each accession. Vegetation indices including forage production, canopy cover area, plant height, number of flowering stems and seed yield were studied over three years. Data were analyzed using split plot for specific years in sub plots and mean comparisons were done by Duncan method. Results indicated significant differences between treatments, species and years for all the traits. Interactions between species and year were significant for all the traits except plant height. Seed SCARIFICATION caused an increase in forage production, canopy cover area and number of flowering stems. According to the results, mechanical seed SCARIFICATION has been recommended to be done before planting herbaceousASTRAGALUS. The species A. vegetus (accession Kurdistan) and A. effusus (accession Urmia) were recommended for range revegetaion and rehabilitation in semi dry lands with the annual precipitation more than 300 mm.

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APA: Copy

ZAREKIA, SEDIGHEH, ZANDI ESFAHAN, EHSAN. (2014). EFFECTS OF SEED SCARIFICATION ON VEGETATION PARAMETERS IN SOME ASTRAGALUSSPECIES UNDER FIELD CONDITIONS (CASE STUDY: HOMAND ABSARD, DAMAVAND, IRAN). JOURNAL OF RANGELAND SCIENCE, 4(2), 151-158. SID. https://sid.ir/paper/257626/en

Vancouver: Copy

ZAREKIA SEDIGHEH, ZANDI ESFAHAN EHSAN. EFFECTS OF SEED SCARIFICATION ON VEGETATION PARAMETERS IN SOME ASTRAGALUSSPECIES UNDER FIELD CONDITIONS (CASE STUDY: HOMAND ABSARD, DAMAVAND, IRAN). JOURNAL OF RANGELAND SCIENCE[Internet]. 2014;4(2):151-158. Available from: https://sid.ir/paper/257626/en

IEEE: Copy

SEDIGHEH ZAREKIA, EHSAN ZANDI ESFAHAN, “EFFECTS OF SEED SCARIFICATION ON VEGETATION PARAMETERS IN SOME ASTRAGALUSSPECIES UNDER FIELD CONDITIONS (CASE STUDY: HOMAND ABSARD, DAMAVAND, IRAN),” JOURNAL OF RANGELAND SCIENCE, vol. 4, no. 2, pp. 151–158, 2014, [Online]. Available: https://sid.ir/paper/257626/en

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