ALLELOPATHIC EFFECTS OF SCARIOLA ORIENTALIS AND AGROPYRON ELONGATUM ON ONOBRYCHIS VICIAEFOLIA

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RESAI M.; KHAJEDDIN S.J.

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Journal: Journal of Rangeland Year:2008 | Volume:1 | Issue:4 Page(s): 386-400

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Title

ALLELOPATHIC EFFECTS OF SCARIOLA ORIENTALIS AND AGROPYRON ELONGATUM ON ONOBRYCHIS VICIAEFOLIA

Author(s)

RESAI M. | KHAJEDDIN S.J. | Issue Writer Certificate

Keywords

ONOBRYCHIS VICIAEFOLIAQ2

NATIVE SPECIESQ2

ALLELOPATHYQ2

GERMINATIONQ3

SCARIOLA ORIENTALISQ3

AGROPYRON ELONGATUMQ3

Abstract

One of the practical solutions for soil conservation, could be rain-fed pasture species cultivation. Studying the cultivated rain-fed ONOBRYCHIS VICIAEFOLIA areas confirmed that appearing of SCARIOLA ORIENTALIS and AGROPYRON ELONGATUM cause its population reduction. It seems that the reason is allelopathic effect of these two NATIVE SPECIES. To study of these allelopathic effects, two various experiments were carried out on O. viciaefolia seeds. The first experiment was designed with 3 seed treatments (seed, seed with pod and seed with broken pod), 5 extracts with 4 replicates. The extractions were extract from a) and b) whole parts of the S. orientalis and A. elongatum, c) leaves , d) roots & e) stems of S. orientalis.The second experiment was designed with 14 treatments: 5 treatments were extracts from two NATIVE SPECIES, 3 treatments of extraction methods and distilled water as control. The plant material extracts were the same as first experiment and the extraction methods were using three different solvents of hexane, dichloromethane & methanol. Seed GERMINATION, GERMINATION rate and GERMINATION speed of 0.viciaefolia seeds under irrigation of various extracts were recorded in both experiments. According to the analysis of variance, the extracts of the two NATIVE SPECIES significantly decrease the seed GERMINATION, GERMINATION rate and GERMINATION speed of O.viciaefolia. In the second experiment the treated seeds with A.elongatum extracts germinated only 4.7% while the control was 78% which there is an eighteen times GERMINATION reduction. This is due to allelopatic effect of both native pasture species which are belonging to the main pasture communities before ploughing to cultivate.

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APA: Copy

RESAI, M., & KHAJEDDIN, S.J.. (2008). ALLELOPATHIC EFFECTS OF SCARIOLA ORIENTALIS AND AGROPYRON ELONGATUM ON ONOBRYCHIS VICIAEFOLIA. RANGELAND, 1(4), 386-400. SID. https://sid.ir/paper/136208/en

Vancouver: Copy

RESAI M., KHAJEDDIN S.J.. ALLELOPATHIC EFFECTS OF SCARIOLA ORIENTALIS AND AGROPYRON ELONGATUM ON ONOBRYCHIS VICIAEFOLIA. RANGELAND[Internet]. 2008;1(4):386-400. Available from: https://sid.ir/paper/136208/en

IEEE: Copy

M. RESAI, and S.J. KHAJEDDIN, “ALLELOPATHIC EFFECTS OF SCARIOLA ORIENTALIS AND AGROPYRON ELONGATUM ON ONOBRYCHIS VICIAEFOLIA,” RANGELAND, vol. 1, no. 4, pp. 386–400, 2008, [Online]. Available: https://sid.ir/paper/136208/en

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