THE EFFECTS OF CLIPPING ON PRODUCTION OF TWO RANGE SPECIES (AGROPYRON ELONGATUM (HOST) BEAUV., AND FESTUCA OVINA L.).

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MOHAMMAD ESMAEILI MAJID; KHEYRFAM H.; DEYLAM M.; AKBARLOU M.; SABOURI H.

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Journal: Journal of Rangeland Year:2010 | Volume:4 | Issue:1 Page(s): 72-81

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Title

THE EFFECTS OF CLIPPING ON PRODUCTION OF TWO RANGE SPECIES (AGROPYRON ELONGATUM (HOST) BEAUV., AND FESTUCA OVINA L.).

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Keywords

CLIPPINGQ2

TILLERINGQ2

TOLERANCEQ3

BIOMASSQ2

RANGELANDQ2

Abstract

We studied the effects of shoot CLIPPING frequency on BIOMASS production, BIOMASS allocation and shoot number on two range species (Agropyron elongatum (Host) Beauv., and Festuca ovina L.). Plants were grown during a 15-week experiment in experimental garden. The above ground parts were clipped at a height of 7 cm following four treatments: frequent (every one week), moderate (every two weeks), low (every four weeks) and unclipped (control). Total BIOMASS and root mass of A. elongatum were reduced by frequent defoliation until 40% whereas F. ovina maintained a similar production for two plant components (above-ground and roots BIOMASS) when clipped. The latter one was able to compensate for the BIOMASS loss even after five consecutive CLIPPINGs. The changes in BIOMASS production patterns of A. elongatum were accompanied with variations in BIOMASS allocations. BIOMASS allocated to roots was significantly lower for A. elongatum in clipped plants than in control plants. The shoot mass and root mass fraction of F. ovina were similar among CLIPPING treatments. Shoot number was significantly increased until 30% for A. elongatum and F. ovina in clipped plants than in control plants. Finally, in the experimental conditions, F. ovina was the most tolerant species to CLIPPING, while A. elongatum showed moderate TOLERANCE.

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APA: Copy

MOHAMMAD ESMAEILI, MAJID, KHEYRFAM, H., DEYLAM, M., AKBARLOU, M., & SABOURI, H.. (2010). THE EFFECTS OF CLIPPING ON PRODUCTION OF TWO RANGE SPECIES (AGROPYRON ELONGATUM (HOST) BEAUV., AND FESTUCA OVINA L.).. RANGELAND, 4(1), 72-81. SID. https://sid.ir/paper/136259/en

Vancouver: Copy

MOHAMMAD ESMAEILI MAJID, KHEYRFAM H., DEYLAM M., AKBARLOU M., SABOURI H.. THE EFFECTS OF CLIPPING ON PRODUCTION OF TWO RANGE SPECIES (AGROPYRON ELONGATUM (HOST) BEAUV., AND FESTUCA OVINA L.).. RANGELAND[Internet]. 2010;4(1):72-81. Available from: https://sid.ir/paper/136259/en

IEEE: Copy

MAJID MOHAMMAD ESMAEILI, H. KHEYRFAM, M. DEYLAM, M. AKBARLOU, and H. SABOURI, “THE EFFECTS OF CLIPPING ON PRODUCTION OF TWO RANGE SPECIES (AGROPYRON ELONGATUM (HOST) BEAUV., AND FESTUCA OVINA L.).,” RANGELAND, vol. 4, no. 1, pp. 72–81, 2010, [Online]. Available: https://sid.ir/paper/136259/en

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