EVALUATION OF ALLELOPATHIC EFFECTS OF AQUEOUS EXTRACTS OF WHEAT SHOOT IN DIFFERENT STAGES OF PHENOLOGY ON SEED GERMINATION AND EARLY GROWTH OF WEED SPECIES

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Rahmati E.; AGHAALIKHANI M.; MAIGHANI F.; DEHGHANI F.

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Journal: Journal of Plant Research Year:2015 | Volume:28 | Issue:5 SUPPLEMENT Page(s): 974-985

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Title

EVALUATION OF ALLELOPATHIC EFFECTS OF AQUEOUS EXTRACTS OF WHEAT SHOOT IN DIFFERENT STAGES OF PHENOLOGY ON SEED GERMINATION AND EARLY GROWTH OF WEED SPECIES

Author(s)

Rahmati E. | AGHAALIKHANI M. | MAIGHANI F. | DEHGHANI F. | Issue Writer Certificate

Keywords

BIOMASSQ2

GERMINATION INDICESQ1

AMARANTHUS RETROFLEXUSQ2

CUSCUTA COMPESTRIS WEED MANAGEMENTQ2

Abstract

In order to study the allelopathic potential of wheat aqueous extract on germination and early growth of two summer weeds (redroot pigweed and dodder) two separate experiments were conducted using randomized complete block design with 3 replications. Plant materials for extracting were obtained from our original wheat field which has been grown in research field of Tarbiat Modares University during 2010 –2011 growing season. In each experiment wheat areal parts in three phenological stages (tillering, soft dough and physiological maturity) were extracted into different concentrations of (25, 50, 75 and 100%). The extracts were treated on weed seeds following to the procedures of International Seed Testing Association (ISTA). The result showed that wheat shoots extracts have allelopathic effects depending to the stage of plant phenology and the weeds species sensitivity. In general, increasing concentrations of extract significantly reduced final germination, the number of normal seedlings, coefficient of velocity and length of weeds seedling, So that the highest inhibitory was observed in complete concentration (100 percent). Overall, the extracts of wheat shoot particularly in tillering and maturity stages have the most negative effect on GERMINATION INDICES of redroot pigweed and dodder respectively. This finding is agreeing with total phenol measurement of wheat extract especially in tillering stage. Therefore application of wheat green manure in tillering stage or mixing the plant residues with the soil could be considered as a non-chemical strategy for weed control in following summer crops.

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APA: Copy

Rahmati, E., AGHAALIKHANI, M., MAIGHANI, F., & DEHGHANI, F.. (2015). EVALUATION OF ALLELOPATHIC EFFECTS OF AQUEOUS EXTRACTS OF WHEAT SHOOT IN DIFFERENT STAGES OF PHENOLOGY ON SEED GERMINATION AND EARLY GROWTH OF WEED SPECIES. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 28(5 SUPPLEMENT), 974-985. SID. https://sid.ir/paper/248887/en

Vancouver: Copy

Rahmati E., AGHAALIKHANI M., MAIGHANI F., DEHGHANI F.. EVALUATION OF ALLELOPATHIC EFFECTS OF AQUEOUS EXTRACTS OF WHEAT SHOOT IN DIFFERENT STAGES OF PHENOLOGY ON SEED GERMINATION AND EARLY GROWTH OF WEED SPECIES. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2015;28(5 SUPPLEMENT):974-985. Available from: https://sid.ir/paper/248887/en

IEEE: Copy

E. Rahmati, M. AGHAALIKHANI, F. MAIGHANI, and F. DEHGHANI, “EVALUATION OF ALLELOPATHIC EFFECTS OF AQUEOUS EXTRACTS OF WHEAT SHOOT IN DIFFERENT STAGES OF PHENOLOGY ON SEED GERMINATION AND EARLY GROWTH OF WEED SPECIES,” JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 28, no. 5 SUPPLEMENT, pp. 974–985, 2015, [Online]. Available: https://sid.ir/paper/248887/en

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