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Register a new userEffect of salinity on growth and development of Syrian pears (Pyrus syriaca Boiss) and Leaves content of chlorophyll and Proline
تأثير الملوحة في نمو و تطور غراس الكمثرى السورية Pyrus syriaca Boiss و تركيز الكلوروفيل و البرولين في أوراقها
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دُرس تأثير الري بتراكيز مختلفة من ملح كلوريد الصوديوم NaCl) ) في نمو غراس الكمثرى السورية Pyrus syriaca Boiss. . و أظهرت النتائج ما يلي: 1- أدى الإجهاد الملحي إلى انخفاض محتوى الأوراق من كلوروفيل a و b و الكلوروفيل الكلي b + a في المعاملات الملحية مقارنة بالشاهد حيث بلغت فيه 67.48 مغ/غ كلوروفيل a، 111.62 مغ/غ (b) ، , 204.76 مغ/غ (b+a). في حين أعطت المعاملة 1750 جزءاً بالمليون (49.34 مع/غ (a)، 94.86 مع/غ (b) و 158.77 مع/غ (b+a). و قد تفوقت معاملة الشاهد و الري بتركيز 500 جزء بالمليون على بقية المعاملات الملحية بشكل معنوي. 2- ازداد محتوى أوراق النباتات من البرولين نتيجة الري بتراكيز متزايدة من NaCl، حيث بلغت هذه النسبة 870.81 نانو غرام /غ) في المعاملة 1250 جزءاً بالمليون ثم تراجعت مع زيادة التركيز. كما أدت التراكيز المتزايدة من ملوحة ماء الري إلى ارتفاع محتوى أوراق النباتات من المادة الجافة من 24.50% كمتوسط للأعوام الثلاث في الشاهد إلى 44.86% في معاملة 1750 جزءاً بالمليون.
This research aims at studying the effect of irrigation with different levels of NaCl on the growth and development of Syrian pears (Pyrus syriaca). The results showed that: 1. Salt stress reduced chlorophyll content (a,b and a+b) in salt treatments compared to the control , which contained 67.48 mg/g (a), 111.62 mg/g (b) and 204.76 mg/g (a+b), while 1750 ppm of NaCl treatment contained 49.34 mg/g (a), 49.86 mg/g (b) and 158.77 mg/g (a+b) respectively. Treatment with 500 ppm of NaCl increased significantly chlorophyll content compared to other salt treatments. 2. Leaves content of proline increased with increasing NaCl levels. It reached 870.8 ng/g when irrigation water contained 1250 ppm of NaCl, while it decreased in other salt treatments. Leaves dry matter increased with the increase salt levels (24.50% for the control, and 44.86% for 1750 ppm of NaCl).
Artificial intelligence review:
Research summary
تُعنى هذه الدراسة بتقييم تأثير الري بتراكيز مختلفة من ملح كلوريد الصوديوم (NaCl) على نمو وتطور غراس الكمثرى السورية (Pyrus syriaca Boiss) وتركيز الكلوروفيل والبرولين في أوراقها. أظهرت النتائج أن الإجهاد الملحي أدى إلى انخفاض محتوى الأوراق من الكلوروفيل a وb والكلوروفيل الكلي، حيث كانت القيم في الشاهد أعلى بكثير مقارنة بالمعاملات الملحية. كما زاد محتوى الأوراق من البرولين مع زيادة تركيز NaCl، مما يشير إلى أن النباتات تحاول مقاومة الإجهاد الملحي عبر زيادة إنتاج البرولين. بالإضافة إلى ذلك، ارتفعت نسبة المادة الجافة في الأوراق مع زيادة تركيز الملح، مما يعكس تأثير الملوحة على التركيب الكيميائي للنبات. توصي الدراسة بمتابعة البحث باستخدام تراكيز أخرى من الملح، خاصة على الغراس المطعمة بأصناف الكمثرى المنتشرة على نطاق اقتصادي.
Critical review
دراسة نقدية: على الرغم من أن الدراسة تقدم معلومات قيمة حول تأثير الملوحة على غراس الكمثرى السورية، إلا أنها تفتقر إلى تحليل شامل للعوامل البيئية الأخرى التي قد تؤثر على النتائج، مثل درجة الحرارة والرطوبة. كما أن الدراسة تركز بشكل كبير على تأثير NaCl دون النظر إلى تأثير أملاح أخرى قد تكون موجودة في التربة. بالإضافة إلى ذلك، كان من الممكن تقديم توصيات أكثر تفصيلاً حول كيفية تطبيق النتائج في الزراعة العملية، مثل تحديد أفضل الممارسات لإدارة الري في المناطق المالحة.
Questions related to the research
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ما هو تأثير الري بتراكيز مختلفة من كلوريد الصوديوم على محتوى الكلوروفيل في أوراق الكمثرى السورية؟
أدى الري بتراكيز مختلفة من كلوريد الصوديوم إلى انخفاض محتوى الكلوروفيل a وb والكلوروفيل الكلي في أوراق الكمثرى السورية مقارنة بالشاهد، حيث كانت القيم في الشاهد أعلى بكثير.
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كيف يؤثر الإجهاد الملحي على محتوى البرولين في أوراق الكمثرى السورية؟
زاد محتوى الأوراق من البرولين مع زيادة تركيز NaCl، مما يشير إلى أن النباتات تحاول مقاومة الإجهاد الملحي عبر زيادة إنتاج البرولين.
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ما هو تأثير الملوحة على نسبة المادة الجافة في أوراق الكمثرى السورية؟
ارتفعت نسبة المادة الجافة في الأوراق مع زيادة تركيز الملح، مما يعكس تأثير الملوحة على التركيب الكيميائي للنبات.
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ما هي التوصيات التي قدمتها الدراسة لمتابعة البحث؟
توصي الدراسة بمتابعة البحث باستخدام تراكيز أخرى من الملح، خاصة على الغراس المطعمة بأصناف الكمثرى المنتشرة على نطاق اقتصادي.
References used
ALLEN, J. A.; CHAMBERS, J. L. and STINE, M. Prospects for increasing salt tolerance of forest trees. A review, Tree Physiol.,14, 1994, 843-853
ASHRAF, M. and McNEILLY, T. Salinity tolerance in Brassica oilseeds. Critical Reviews in Plant Sciences 23 (2), 2004, 157-174
ASHRAF, M. and P.J.C. HARRIS. Potential biochemical indicators of salinity tolerance in plants. Plant Sci., 166, 2004, 3-16
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This study was conducted on the type of the Syrian pear, Pyrus syriaca. Boiss spread wildly in the Qardaha area in Lattakia governorate during the years 2012-2013 AD. Nine phenotypic phenotypes scattered in different locations (Ain Al-Arous - Deir Hanna - Basin) were studied, where the results showed that there were differences in some traits out of 14 studied phenotypic traits.
A study was conducted on one type of Syrian pears ‘Pyrus syriaca. Boiss’ which is
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The results revealed the existence of differences in some of the characteristics, out of
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The second main group contains the first and second subgroups with a similarity
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The research indicates that there is a difference in the seed germination percentage of
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while the seeds and embryos of P6 gave the fastest germination percentage.
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first growth stage (238070%) compared with the control, and (204.34%) in third stage in
NaCl concentration 200mM compare with the control.
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