Response of seed germination of Tunisian Allium ampeloprasum to temperature and salt stresses

Guenaoui, Chedia; Taoufik, Saleh Ksiksi; Smiti, Samira; Neffati, Mohamed

doi:10.3406/revec.2012.1654

revec

2012

DOI: 10.3406/revec.2012.1654

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Response of seed germination of Tunisian Allium ampeloprasum to temperature and salt stresses

Chedia Guenaoui¹,

Saleh Ksiksi Taoufik²,

Samira Smiti³

et al.

Abstract: HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des labor… Show more

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2019

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The Effect of L-Tryptophan and Melatonin on Seed Germination of Some Cool Season Vegetable Species Under Salinity Stress

Hancı

2019

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi

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This study was carried out with the objective to evaluate the effects of different concentrations of L-Tryptophan and Melatonin pretreatment on germination behavior of onion, leek, black carrot, and radish seeds exposed to saline stress. Seeds of samples were soaked for 24 hours in distilled water, 50,100, 150 ppm L-tryptophan, and 1.5, 3, and 4.5 µM melatonin solutions at 20° C in darkness. Seeds were placed in Petri dishes and watered to moisten the filter paper with different concentrations of NaCl (0, 150, 300 or 450 mM). The experiment was planned in a completely randomized design with four replications. Maximum germination percentage, germination index, time to complete 50% germination and mean germination time was measured at the end of the study. The results indicated that the effect of pre-treatment was significant on all studied traits in all species except for mean germination time for black carrot seeds. In addition, all germination parameters of seeds were delayed and decreased by salinity increasing from 0 mM to 450 mM NaCl. Overall, all doses of melatonin increased the maximum germination ratio and germination index values slightly under 300 mM NaCl stress conditions. In general, results which obtained from all doses of melatonin were close to each other, whereas increasing doses of L-tryptophan caused a negative effect in some cases.

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The Effect of L-Tryptophan and Melatonin on Seed Germination of Some Cool Season Vegetable Species Under Salinity Stress

Hancı

2019

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi

View full text Add to dashboard Cite

show abstract

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Response of seed germination of Tunisian Allium ampeloprasum to temperature and salt stresses

Cited by 1 publication

References 11 publications

The Effect of L-Tryptophan and Melatonin on Seed Germination of Some Cool Season Vegetable Species Under Salinity Stress

The Effect of L-Tryptophan and Melatonin on Seed Germination of Some Cool Season Vegetable Species Under Salinity Stress

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