القدرة التراكمية لنبات الفاغر Lamium moschatum , Mill. تجاه بعض العناصر الثقيلة كالحديد والنحاس
Abstract
تم في هذا البحث دراسة تراكم عنصري الحديد والنحاس في أزهار، أوراق، سوق وجذور نبات الفاغر Lamium moschatum Mill. . أظهرت الدراسة أن النبات قام بمراكمة عنصري الحديد والنحاس بتراكيز مختلفة ، مع ملاحظة وفرة الحديد في جميع العينات المدروسة وبتراكيز عالية في الجذور . لوحظ أعلى تركيز للنحاس في الأزهار ( 1669.23 ملغ/كغ )، وأعلى تركيز للحديد في الجذور ( 4539.5 ملغ /كغ ) . ظهر ، بشكل عام ، تقارب قيم تراكيز عنصر النحاس في أجزاء النبات المختلفة ضمن العينة الواحدة (272.73 - 353.409 - 490.75 - 432.62 ملغ/كغ ) في الأزهار ، الأوراق ، السوق والجذور على الترتيب ؛ في حين كانت تراكيز عنصر الحديد في الجذور أعلى منها بكثير في الأزهار ، الأوراق والسوق لنفس العينة، فمثلاً بلغ تركيزه في جذور نباتات العينة -5- (المدينة الرياضية) ( 1124.91 ملغ/كغ ) بينما كانت تراكيزه (205.24 - 218.82 - 234.83 ملغ/كغ ) في أزهار ، أوراق وسوق نفس العينة على الترتيب . We present in this study accumulate of two heavy metals (Fe - Cu) in the tissues of flowers , leaves , stems and roots of Lamium moschatum Mill. The study showed that the plant accumulated (Fe - Cu) in different concentrations , with an increase in the concentration of (Fe) in all samples specially in roots . The highest concentration of (Cu) was in flowers (1669.23 mlg/kg) , and for (Fe) was in roots (4539.5 mlg/kg) . The results showed a convergency in the concentrations of (Cu) in the parts of plant for the same sample (432.62 - 490.75 - 353.409 - 272.73 mlg/kg) in flowers , leaves , stems and roots in order . but the concentrations of (Fe) in roots was higher than that in flowers , leaves and stems for the same sample . In sample -5- the value of (Fe) in roots was (1124.91 mlg/kg) but in flowers , leaves and stems at the same sample was ( 234.83 - 218.82 - 205.24 mlg/kg ) in orderDownloads
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