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Effect of Salinity Stress on Germination of Matricaria comomilla and Thymus deanensis مقالة

مؤلف:

، العلمية - البحثية (Ministry of Science (‎3 صفحة - من 305 إلی 307 )

الکلمات المفتاحية: germination salinity Thymus deanensis Matricaria comomilla

خلاصة:

Salinity is one of the environmental factors that have a critical influence on the germination of seeds and plant establishment. Salinity affects imbibition, germination and root elongation. In this study, the germination characteristics of Matricaria comomilla and Thymus deanensis were studied. The purpose of this study was to investigate the effect of salinity on germination of these species. Seeds were treated with 0, 100, 200, 300 and 400mmol of NaCl. Daily and final germination percentages were recorded. The results showed that high salinity caused decrease in final germination percentage and Higher concentration of NaCl was germination inhibitor. Finally, results suggest that Thymus deanensis was more tolerant to salinity.

ملخص الجهاز:

This study was undertaken to determine the effect of salinity stress on germination of Matricaria comomilla and Thymus deanensis. Data analysis showed significant difference of germination between species also among salinity treatments (p<0. High salinity concentrations reduced germination of both Matricaria comomilla and Thymus deanensis due to osmotic changes according to Tukey multiple comparison, showed significant difference (p<0. Discussion and conclusion Result of this study showed effect of salinity on seed germination. In general, Salt stress, as an environmental factor influencing germination, causes toxicity for plants, and disturbs seed imbibition. Effect of chemical scarification, salinity and preheating on seed germination of Prosopis farcta. Effects of salinity on seed germination of two species of Agropyron desertorum and Agropyron cristatum. Effects of salinity and temperature on characteristics of germination of two species of Atriplex canescens and A. Effect of salinity stress on germination and growth of two Atriplex species.

صفحة: لُغَتُنَا النُّورية
305


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