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Efficacy of Some Methyl Bromide Alternatives in Controlling Nematodes and on Production of Tomato Under Greenhouse Conditions

فعالية بعض بدائل بروميد الميثيل في مكافحة النيماتودا و في نمو البندورة و إنتاجيتها ضمن ظروف البيوت البلاستيكية

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 Publication date 2004
and research's language is العربية
 Created by Shamra Editor




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A study of the effectiveness of methyl bromide (MB) and some alternatives were carried out to determine their effects on soil sterilization, densitY of nematode and production of tomato (variety Karam) crop, under greenhouses conditions in Banias area, during 1999-2000.The treatments were as follows: MB (57g/m2), Dazomet GR 98%, organic matter + solarization (Biofumigation) and control. Results showed that the effectiveness in reducing the total nematode density were 97.5%, 66.1%, 28.8 and 0% respectively. The root knots index for Meloidogyne spp. were 0, 0.64, 0.83 and 1.83 respectively. The Bio-fumigation treatment didn't have any effect on reducing the nematode density, but increased the plant growth and yield. The crop yield were 190.67, 167.33, 185 and 157.67.kg/plot respectively and there was no significant difference between the MB and the Bio-fumigation treatments.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة فعالية عدة بدائل لبروميد الميثيل في تعقيم التربة وتأثيرها على كثافة النيماتودا ونمو نبات البندورة وإنتاجيته تحت ظروف البيوت البلاستيكية في بانياس خلال عامي 1999-2000. تضمنت المعاملات بروميد الميثيل، الدازوميت، التبخير الحيوي (مادة عضوية + تعقيم شمسي) والشاهد دون معاملة. أظهرت النتائج أن بروميد الميثيل كان الأكثر فعالية في خفض كثافة النيماتودا بنسبة 97.5%، بينما كانت فعالية التبخير الحيوي في خفض الكثافة غير معنوية ولكنها زادت من نمو النبات وإنتاجيته. لم تظهر فروق معنوية بين بروميد الميثيل والتبخير الحيوي من حيث الإنتاجية، مما يشير إلى إمكانية استخدام التبخير الحيوي كبديل مستدام لبروميد الميثيل.
Critical review
دراسة نقدية: تقدم هذه الدراسة مساهمة قيمة في البحث عن بدائل مستدامة لبروميد الميثيل، الذي يسبب تآكل طبقة الأوزون وله آثار صحية ضارة. ومع ذلك، يمكن تحسين الدراسة من خلال زيادة حجم العينة وتكرار التجارب في مواقع مختلفة لضمان تعميم النتائج. كما أن الدراسة لم تتناول الجوانب الاقتصادية لتطبيق البدائل المختلفة، وهو جانب مهم يجب أخذه في الاعتبار عند التوصية باستخدام بديل معين. بالإضافة إلى ذلك، يمكن أن تكون الدراسة أكثر شمولاً إذا تضمنت تحليلًا طويل الأمد لتأثير البدائل على صحة التربة والبيئة.
Questions related to the research
  1. ما هي البدائل التي تم اختبارها لبروميد الميثيل في هذه الدراسة؟

    تم اختبار الدازوميت، التبخير الحيوي (مادة عضوية + تعقيم شمسي)، والشاهد دون معاملة كبدائل لبروميد الميثيل.

  2. ما هو تأثير التبخير الحيوي على كثافة النيماتودا؟

    لم يكن للتبخير الحيوي تأثير معنوي في خفض كثافة النيماتودا، لكنه زاد من نمو النبات وإنتاجيته.

  3. هل كانت هناك فروق معنوية بين بروميد الميثيل والتبخير الحيوي من حيث الإنتاجية؟

    لم تكن هناك فروق معنوية بين بروميد الميثيل والتبخير الحيوي من حيث الإنتاجية.

  4. ما هي النسبة التي خفض بها بروميد الميثيل كثافة النيماتودا؟

    خفض بروميد الميثيل كثافة النيماتودا بنسبة 97.5%.


References used
Anonymous.1992.Proceedings of the International Workshop on Alternatives to Methyl Bromide for Soil Fumigation.U.N.Environment Programme.19-21 October 1992
Anonymous.1993. Alternatives to methyl bromide: assessment of research needs and priorities. Proeceding from the USDA Workshop on Alternatives to Methyl Bromide.29 Jun -1 July, 1993, Arlingtion, p. 80
Anonymous. 1999. Tomatoes in Morocco. Twenty case studies on Alternative to Methyl Bromide (Technologies with low environmental impact), p. 27-33
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