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Morphological Characteristics of Four Atriplex Species (Atriplex ssp.) in Wadi Al-Azeeb Station

الخصائص المورفولوجيّة لأربعة أنواع من الرغل (Atriplex ssp.) في محطة وادي العزيب

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 Publication date 2013
and research's language is العربية
 Created by Shamra Editor




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Atriplex is one of good adaptive plants to the Characteristics of drought fragile environments, and it has high ability to tolerate many ecological stresses such as drought and high temperature and salinity. The plant is characterized by its huge economic values because it has many uses, it’s one of the high digestibility grazing plants and it is grazing by camels, goats and sheep all the year, some of them have medicinally uses in repairing the increasing of blood sugar, the freshness parts of some species use in preparing salads, even they have cook using, and leaves usually have a salty taste even the plant grow in none salinity soils. The morphological variety of four species of Atriplex were studying, two of them are introduced (A. canescens, A. polycarpa) and two have natural spreading in Syria (A. leucoclada, A. halimus). The results indicated that biological type, life duration, plants color, fruit bracts shape and fused of fruit bracts, plant smell, seed color, leaves shape and phyllotaxy are considered the most morphological characters which show important morphological differences among the studying species. These can be considered among classification standards to help distinguish the studying species of Atriplex genus under their natural spreading land, which consider the natural habitat for this important plant. Based on studied morphological characters, an identification key for the studying species is provided.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة الخصائص المورفولوجية لأربعة أنواع من نبات الرغل (Atriplex) في محطة وادي العزيب. الرغل هو نبات يتميز بقدرته العالية على التكيف مع البيئات القاسية مثل الجفاف والملوحة، وله قيمة اقتصادية كبيرة حيث يستخدم كعلف للحيوانات وله استخدامات طبية وغذائية. تم دراسة الأنواع الأربعة وهي الرغل الأمريكي، الرغل الكاليفورني، الرغل السوري، والرغل الملحي. أظهرت النتائج أن هناك اختلافات واضحة في الصفات المورفولوجية مثل لون النبات، شكل الأوراق، لون البذور، وشكل القنابات الثمرية. هذه الصفات يمكن استخدامها كمعايير تصنيفية للتمييز بين الأنواع المختلفة. كما تم وضع مفتاح تصنيفي يعتمد على هذه الصفات لتسهيل عملية التمييز بين الأنواع المدروسة.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مهمة لأنها تسلط الضوء على الخصائص المورفولوجية لنباتات الرغل وتقدم معايير تصنيفية يمكن الاعتماد عليها في التمييز بين الأنواع المختلفة. ومع ذلك، فإن الاعتماد على الصفات المورفولوجية وحدها قد لا يكون كافياً لتقديم صورة شاملة ودقيقة عن هذه الأنواع. ينصح بإجراء دراسات تكميلية على المستوى الجزيئي والفيزيولوجي لفهم الأسباب الكامنة وراء هذه الاختلافات المورفولوجية. كما أن الدراسة تفتقر إلى تحليل تأثير العوامل البيئية المختلفة على هذه الصفات، وهو ما يمكن أن يضيف قيمة كبيرة للبحث.
Questions related to the research
  1. ما هي الأنواع الأربعة من الرغل التي تمت دراستها في البحث؟

    الأنواع الأربعة هي الرغل الأمريكي، الرغل الكاليفورني، الرغل السوري، والرغل الملحي.

  2. ما هي الصفات المورفولوجية التي تم استخدامها كمعايير تصنيفية في الدراسة؟

    الصفات المورفولوجية تشمل لون النبات، شكل الأوراق، لون البذور، وشكل القنابات الثمرية.

  3. ما هي الفائدة الاقتصادية لنبات الرغل؟

    نبات الرغل له قيمة اقتصادية كبيرة حيث يستخدم كعلف للحيوانات وله استخدامات طبية وغذائية.

  4. ما هي التوصيات التي قدمتها الدراسة لمزيد من البحث؟

    أوصت الدراسة بإجراء دراسات تكميلية على المستوى الجزيئي والفيزيولوجي لفهم الأسباب الكامنة وراء الاختلافات المورفولوجية، وكذلك دراسة تأثير العوامل البيئية المختلفة على هذه الصفات.


References used
APG III, Angiosperm Phylogeny Group. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III. Botanical Journal of the Linnean Society, 2009, 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x
BASSETT, I. J.; CROMPTON, C. W.; NEILL, J. Mc. and TASCHEREAU, P. M. The Genus Atriplex (Chenopodiaceae) in Canada. Ottawa. [Agricu. Canada Monogr. 31.] Brown, G. D. 1956. Taxonomy of American Atriplex. Amer. Midl. Naturalist, 1983, 55: 199-210
DEAN, T. and DIETER, H. W. Treatment from the Jepson Manual Copyright by the Regents of the University of California, 1993. http://ucjeps.berkeley.edu/interchange/I_treat_indexes.html. Sun, Aug, 23, 14:40:44, 2009
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