دراسة تأثير تراكيز مختلفة من الأوكسين حمض إندول بيوتريك (IBA) في تجذير النموات الخضرية لنوع التفاح البري .Malus trilobata Lab
Abstract
تناول هذا البحث دراسة تأثير خمسة تراكيز من حمض إندول بيوتريك IBA و هي[2, 1, 0.75, 0.5, 0.25] مغ/ الليتر بالإضافة للشاهد الخالي من الهرمون في تجذير النموات الخضرية لنوع التفاح البري Malus trilobata Lab. من خلال زراعة نموات بطول (2-1.5) سم على الوسط موراشيج و سكوغ(MS) بنصف قوة أملاحه (½MS) و حساب النسبة المئوية للتجذير و متوسط عدد و طول الجذور و أظهرت النتائج الآتي: تفوقت المعاملة T1 (التركيز (0.25)مغ/ الليتر)على جميع المعاملات الأخرى من حيث النسبة المئوية للتجذير (64 %) ومتوسط عدد الجذور (16جذر), في حين تفوقت المعاملة T3( التركيز (0.75) مغ/الليتر ) على باقي المعاملات من حيث متوسط طول الجذور المتشكلة(21.03) سم. This Research Deals With Studying Of Five Concentrations in IBA Auxin (0.25 – 0.5 – 0.75 – 1 – 2 mg\ l ) And Control Medium For Rooted Plantlets To Wild Apple (Malus trilobata Lab.) By Plantlets Cultured It's Length (1.5-2) cm On Half- Strength Murashige And Skoog Medium(½MS), Then Making Rooted Percentile And Mean Of Number And Length Of Roots, The Result Was: The First Treatments (0.25 mg\l) Were Significantly Better Than Other Treatments And Control For About Rooted Percentile (64%) And Mean Of Number Roots (16 Roots), The Third Treatments (0.75 mg\l) Were Significantly Better Than Other Treatments For About Mean Of Length Of Roots(21.03)cm.Downloads
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