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Evaluation of allelopathic potential of safflower genotypes (Carthamus tinctorius L.)

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Motamedi M., Karimmojeni H., Sini F. G.

Journal of Plant Protection Research

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2016

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tom 56

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nr 4

Forty safflower genotypes were grown under normal irrigation and drought stress. In the first experiment, the allelopathic potential of shoot residues was evaluated using the sandwich method. Each genotype residue (0.4 g) was placed in a sterile Petri dish and two layers of agar were poured on that. Radish seeds were placed on agar medium. The radish seeds were cultivated without safflower residues as the controls. The length of the radicle, hypocotyl, and fresh biomass weight and seed germination percentages were measured. A pot experiment was also done on two genotypes with the highest and two with the lowest allelopathic activity selected after screening genotypes in the first experiment. Before entering the reproductive phase, irrigation treatments (normal irrigation and drought stress) were applied. Shoots were harvested, dried, milled and mixed with the topsoil of new pots and then radish seeds were sown. The pots with safflower genotypes were used to evaluate the effect of root residue allelopathy. The shoot length, fresh biomass weight, and germination percentage were measured. Different safflower genotypes showed varied allelopathic potential. The results of the first experiment showed that Egypt and Iran-Khorasan genotypes caused maximum inhibitory responses and Australia and Iran-Kerman genotypes resulted in minimum inhibitory responses on radish seedling growth. Fresh biomass weight had the most sensitivity to safflower residues. The results of the pot experiment were consistent with the results of in vitro experiments. Residues produced under drought stress had more inhibitory effects on the measured traits. Safflower root residue may have a higher level of allelochemicals or different allelochemicals than shoot residue.

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Abnormal otoliths in the marine fishes collected from the Persian Gulf and the Gulf of Oman

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Manizadeh N., Teimori A., Askari Hesni M., Motamedi M.

Acta Ichthyologica et Piscatoria

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2018

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tom 48

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nr 2

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Combining morphology, scanning electron microscopy, and molecular phylogeny to evaluate the taxonomic power of scales in genus Aphanius Nardo, 1827 (Teleostei: Cyprinodontidae)

100%

Teimori A., Motamedi M., Golmakan M. S.

Archives of Polish Fisheries

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2017

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tom 25

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nr 2

Ograniczanie wyników

1 Acta Ichthyologica et Piscatoria

1 Archives of Polish Fisheries

1 Journal of Plant Protection Research

3 Motamedi M.

2 Teimori A.

1 Askari Hesni M.

1 Golmakan M. S.

1 Karimmojeni H.

1 Manizadeh N.

1 Sini F. G.

1 2018

1 2017

1 2016

Evaluation of allelopathic potential of safflower genotypes (Carthamus tinctorius L.)

Abnormal otoliths in the marine fishes collected from the Persian Gulf and the Gulf of Oman

Combining morphology, scanning electron microscopy, and molecular phylogeny to evaluate the taxonomic power of scales in genus Aphanius Nardo, 1827 (Teleostei: Cyprinodontidae)