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Register a new userEfficacy 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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تمت دراسة فعالية عدة بدائل لبروميد الميثيل في تعقيم التربة لتحديد تأثيرها فـي كثافـة النيمـاتودا العددية و في نمو نبات البندورة و إنتاجيته (صنف كرم) ضمن ظروف البيوت البلاستيكية في بانياس خلال العامين 1999-2000 .تضمنت معاملات تعقيم التربة قبل الزراعة المعاملة ببروميد الميثيل (57غ / م) المعاملة بالدازوميت (40غ/م) و أخيراً المعاملة بمادة عضوية + تعقـيم شمـسي (التبخيـر الحيـوي) بالإضافة إلى الشاهد دون معاملة. بينت نتائج البحث تفوق بروميد الميثيل من حيث الفعالية فـي خفـض الكثافة الكلية لمجموعات النيماتودا المختلفة بنسبة 5.97 %, 1.66 %, 8.28 % و 0 % لكـل معاملـة / 0,83/ 0,64 /0 Meloidogyne spp. لنيماتودا (gall index) الجذور تعقد معامل و كان. التوالي على 83,1 لكل معاملة على التوالي، و كانت الفروق معنوية بين المعاملات و الـشاهد. و لـم يكـن للمعاملـة بالتبخير الحيوي تأثير في خفض الكثافة الكلية لمجموعات النيماتودا، و لكن كان لها أثر واضح في زيادة النمو و الإنتاجية. و تبين من مقارنة متوسط الإنتاجية للمعـاملات المختلفـة 67.190/ 33.167 / 185/ 67.157) كغ / قطعة) على التوالي عدم وجود فروق معنوية بين المعاملة ببروميـد الميثيـل و التبخيـر الحيوي.
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.
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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