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The Effect of Different Doses of Gamma Rays on Growth and Productivity of Local Garlic Allium sativum L. Var. Yabroudi in Syria

تأثير جرعات مختلفة من أشعة غاما في نمو و إنتاجيّة الثوم . Allium sativum L الصنف اليبرودي المحلّي في سوريّة

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 Publication date 2017
  fields Groves
and research's language is العربية
 Created by Shamra Editor




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This research was conducted at AlTieba Research Station, General Commission for Scientific Agricultural Research (GCSAR) in 2012 and 2013 seasons, to study the effect of different doses of gamma rays on growth and productivity of local garlic Allium sativum L. cultivar “Yabroudi” in Syria. Cloves were exposed to four different doses of gamma rays of 60Co source 1, 2.5 ,5 ,10 ) Gray). Randomized Complete Block Design (RCBD) was used .The results showed the surviving plants after 60 days of planting declined with the increase of dose levels. The percentage of dead plants at the doses (2.5, 5 Gray) was 50 and 54 %, respectively. Also, it was possible to obtain a larger number of viable mutations. Therefore, they could be considered as close as to LD50. The dose (10 Gray) had a negative effect on the length of the cloves’ germination period, leading to the death of all the plants after 60 days of planting, this could be considered lethal dose (LD100). The response of the local garlic cultivar Yabroudi to the low-dose (1 Gray) of gamma ray was higher comparing with other doses. This is due to the positive effect of this dose (Stimulus) on the vegetative growth that was reflected on the productivity indicators. The productivity reached (4.50 kg/m2), which was significantly superior to the control (2.91 kg/ m2) and the two doses (2.5, 5 Gray), respectively (2.26, 1.60 kg/ m2).


Artificial intelligence review:
Research summary
تتناول هذه الدراسة تأثير جرعات مختلفة من أشعة غاما على نمو وإنتاجية صنف الثوم اليبرودي المحلي في سوريا. أجريت التجارب في محطة بحوث الطيبة خلال الموسمين الزراعيين 2012 و2013. تم تشعيع فصوص الثوم بأربع جرعات من أشعة غاما (1، 2.5، 5، 10 غراي) باستخدام تصميم القطاعات الكاملة العشوائية. أظهرت النتائج أن زيادة جرعة أشعة غاما تؤدي إلى انخفاض عدد النباتات الباقية على قيد الحياة بعد 60 يومًا من الزراعة، حيث بلغت نسبة النباتات الميتة عند الجرعتين 2.5 و5 غراي 50% و54% على التوالي. الجرعة 10 غراي أثرت سلبًا على طول فترة الإنبات وأدت إلى موت جميع النباتات بعد 60 يومًا، مما يجعلها جرعة مميتة. الجرعة 1 غراي كانت الأكثر فعالية في تحفيز النمو الخضري وزيادة الإنتاجية، حيث بلغت إنتاجية النباتات 4.50 كغ/م² مقارنة بالشاهد 2.91 كغ/م². يمكن استخدام الجرعتين 2.5 و5 غراي للحصول على طفرات قابلة للحياة.
Critical review
تعتبر هذه الدراسة مهمة لفهم تأثير أشعة غاما على نمو وإنتاجية الثوم، إلا أنها تفتقر إلى تحليل شامل لتأثير الجرعات المختلفة على الصفات النوعية للثوم مثل الطعم والقيمة الغذائية. كما أن الدراسة لم تتناول تأثير الجرعات على المدى الطويل وما إذا كانت هناك تأثيرات جانبية محتملة على البيئة أو صحة الإنسان. كان من الأفضل أيضًا تضمين مقارنة مع طرق أخرى لتحفيز النمو والإنتاجية لتقديم رؤية أكثر شمولية.
Questions related to the research
  1. ما هي الجرعة الأكثر فعالية في تحفيز نمو وإنتاجية الثوم اليبرودي؟

    الجرعة الأكثر فعالية هي 1 غراي حيث أدت إلى زيادة الإنتاجية إلى 4.50 كغ/م².

  2. ما هي تأثيرات الجرعة 10 غراي على نباتات الثوم؟

    الجرعة 10 غراي أثرت سلبًا على طول فترة الإنبات وأدت إلى موت جميع النباتات بعد 60 يومًا.

  3. كيف أثرت الجرعات المختلفة من أشعة غاما على نسبة النباتات الميتة؟

    زيادة جرعة أشعة غاما أدت إلى زيادة نسبة النباتات الميتة، حيث بلغت 50% عند الجرعة 2.5 غراي و54% عند الجرعة 5 غراي.

  4. هل يمكن استخدام الجرعات 2.5 و5 غراي للحصول على طفرات قابلة للحياة؟

    نعم، يمكن استخدام الجرعتين 2.5 و5 غراي للحصول على طفرات قابلة للحياة.


References used
Abd El-Rahman, M.M. (2000). Inducing genetic variability in Citrullus colocynthis by using gammairradiation. J. Agric. Sci. Res. Mansoura Univ. 25 (1): 193- 199
Al-Safady, B.; and Z. Ayoubi (1993). Determination of gamma ray doses suitable for mutation induc�- tion in garlic (Allium sativum L.). Plant Genetics and Breeding. 11 p
Bradley, K.; M. Rieger; and G. Collins (2001). Genetic similarities of Australian garlic cultivars. Acta Hort. (ISHS) 555: 159- 160
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