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Study of the success grafting of pear varieties Cocia and Williams and Quince variety Saidawi on the Syrian rootstock Pyrus syriaca Boiss. And development of produced seedlings

دراسة نسبة نجاح تطعيم صنفي الكمثرى "Cocia" و "Williams" و صنف السفرجل "الصيداوي" على أصل الكمثرى السورية Pyrus syriaca Boiss. و تطور الغراس الناتجة

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 Publication date 2014
and research's language is العربية
 Created by Shamra Editor




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This research was conducted in seedling area belonging to Tishreen University and in the Coast seedling belonging to Agricultural Directorate in Lattakia. Results has shown that, the pear variety Cocia grafted on pear Syrian rootstock was significantly better than pear variety Williams and Quince variety Saidawi grafted on the same rootstock, where the percentage of grafting were 100%, 90% and 66.67% consequently, and in the next year 93.33%, 76.67% and 54.00% consequently. Results has shown a good agreement between a variety Cocia and a used rootstock in comparison with the tow other varieties. The results of analytical calculation has shown that, the variety Cocia was better than the tow other varieties Williams and Saidawi in graft-height, also, Williams variety was better than Saidawi variety, and this confirm that, the Cocia variety in medium growth when it grafted on pear Syrian rootstock, whereas, Williams variety was in poor growth and Saidawi variety was very poor in growth when they were grafted on the same rootstalk especially in the first years of grafting.


Artificial intelligence review:
Research summary
أجريت هذه الدراسة في مشتل تابع لجامعة تشرين ومشتل الساحل التابع لمديرية الزراعة باللاذقية. هدفت الدراسة إلى تقييم نسبة نجاح تطعيم أصناف الكمثرى 'Cocia' و'Williams' وصنف السفرجل 'الصيداوي' على أصل الكمثرى السورية Pyrus syriaca Boiss. أظهرت النتائج تفوق صنف الكمثرى 'Cocia' المطعم على أصل الكمثرى السورية بشكل معنوي على صنف الكمثرى 'Williams' وصنف السفرجل 'الصيداوي'، حيث بلغت نسبة نجاح التطعيم للأصناف الثلاثة في العام الأول 100%، 90% و66.67% على التوالي. وفي العام التالي كانت النسب 93.33%، 76.67% و53.33% على التوالي. أشارت النتائج إلى وجود درجة توافق جيدة بين الصنف 'Cocia' والأصل المستخدم مقارنة بالصنفين الآخرين. كما أظهرت نتائج التحليل الإحصائي تفوق الصنف 'Cocia' على الصنفين 'Williams' و'الصيداوي' من حيث الزيادة في ارتفاع المطاعيم، وتفوق الصنف 'Williams' على الصنف 'الصيداوي'. هذا يؤكد أن الصنف 'Cocia' يعتبر متوسط القوة في النمو عند تطعيمه على أصل الكمثرى السورية، بينما الصنف 'Williams' يعتبر مقصر في قوة النمو، والصنف 'الصيداوي' مقصر جداً خاصة في السنوات الأولى من تطعيم الغراس.
Critical review
دراسة نقدية: تعتبر هذه الدراسة ذات أهمية كبيرة في مجال زراعة الكمثرى، حيث تقدم معلومات قيمة حول نسبة نجاح التطعيم وتوافق الأصناف المختلفة مع أصل الكمثرى السورية. ومع ذلك، يمكن تحسين الدراسة من خلال توسيع نطاق البحث ليشمل المزيد من الأصناف ودراسة تأثير العوامل البيئية المختلفة مثل الجفاف والملوحة وارتفاع نسبة كربونات الكالسيوم في التربة على نجاح التطعيم. كما يمكن التركيز على دراسة الإنتاجية ومدى تحمل الغراس المطعمة للإجهادات البيئية المختلفة على مدى فترة زمنية أطول للحصول على نتائج أكثر شمولية ودقة. بالإضافة إلى ذلك، يمكن أن تكون الدراسة أكثر شمولية إذا تضمنت تحليلاً اقتصادياً لتكلفة وفوائد استخدام الأصناف المختلفة على أصل الكمثرى السورية.
Questions related to the research
  1. ما هي نسبة نجاح تطعيم صنف الكمثرى 'Cocia' على أصل الكمثرى السورية في العام الأول؟

    بلغت نسبة نجاح تطعيم صنف الكمثرى 'Cocia' على أصل الكمثرى السورية 100% في العام الأول.

  2. كيف كانت نسبة نجاح تطعيم صنف السفرجل 'الصيداوي' على أصل الكمثرى السورية في العام الثاني؟

    كانت نسبة نجاح تطعيم صنف السفرجل 'الصيداوي' على أصل الكمثرى السورية 53.33% في العام الثاني.

  3. ما هو الصنف الذي أظهر توافقاً جيداً مع أصل الكمثرى السورية؟

    أظهر صنف الكمثرى 'Cocia' توافقاً جيداً مع أصل الكمثرى السورية مقارنة بالصنفين الآخرين.

  4. ما هي التوصيات التي قدمتها الدراسة لتحسين نتائج التطعيم؟

    أوصت الدراسة بدراسة الغراس المطعمة من حيث الإنتاجية ومدى تحملها لبعض الإجهادات مثل الجفاف والملوحة وارتفاع نسبة كربونات الكالسيوم في التربة، والعمل على استخدام أهم الأصناف الرائجة محلياً ودراسة درجة توافقها مع هذا الأصل المحلي الهام.


References used
ANDERSON, P.C.; LOMBARD, P.B.; WESTWOOD, M.N. Leaf conductance, growth and survival of willow and deciduous fruit tree species under flooded soil conditions. JOURNAL OF THE American Society for Horticultural Science, 109, 1984, 132-138
AWASTHI, R.P. and CHAUHAN, P.S. Apple and Pear. In: 50 years of Crop Science Research ICAR Publication, New Delhi, 1997
DAUGAARD H. and CALLESEN, O. The effect of rootstock on yield and quality of Mutsu apples. Journal of Horticultural Science and Biotechnology, 77, 2002, 248- 251
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