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Effects of osmotic priming on seed germination and seedling growth of bermudagrass(Cynodon dactylon L.) under saline conditions [electronic resource].

By:

Al-Humaid, A. I

Language: English Summary language: Arabic Description: p.265-274Other title:

تأثير المعاملة الأسموزية لبذور حشيشة البرمودا على الإنبات ونمو البادرات تحت الظروف الملحية بالمعمل [Added title page title]

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Bulletin of Faculty of Agriculture. Cairo University, 2002 v. 53 (2) [electronic resource].

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In: The Bulletin Faculty of Agriculture, Cairo University 2002.v.53(2)Summary: To study the effect of seed priming on germination and seedling growth of bermudagrass cv. Common Bermuda under saline conditions, seeds were immersed in a solution of 300g polyethylene glycol (PEG) 6000 dissolved in a litre of distilled water for 3 or 7 days at 15 °C. Primed seeds were either immediately placed, or surface dried and then placed in Petri dishes containing 3000, 6000, 9000, 12000 and 15000 ppm sodium chloride (NaCl) solution. Results showed that seed priming followed by immediate sowing improved the final germination percentage significantly in all growth media, whereas the corrected germination rate index (CGRI) was improved by seed priming followed by immediate sowing in almost all saline solution treatments. In general, seeds primed for 3 days and immediately placed in the growth medium exhibited the highest values of seed germination and CGRI. In comparison with unpriming, this treatment also improved plumule growth significantly.

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To study the effect of seed priming on germination and seedling growth of bermudagrass cv. Common Bermuda under saline conditions, seeds were immersed in a solution of 300g polyethylene glycol (PEG) 6000 dissolved in a litre of distilled water for 3 or 7 days at 15 °C. Primed seeds were either immediately placed, or surface dried and then placed in Petri dishes containing 3000, 6000, 9000, 12000 and 15000 ppm sodium chloride (NaCl) solution. Results showed that seed priming followed by immediate sowing improved the final germination percentage significantly in all growth media, whereas the corrected germination rate index (CGRI) was improved by seed priming followed by immediate sowing in almost all saline solution treatments. In general, seeds primed for 3 days and immediately placed in the growth medium exhibited the highest values of seed germination and CGRI. In comparison with unpriming, this treatment also improved plumule growth significantly.

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