PJB-2018-71
MACROSCOPIC AND MICROSCOPIC ASSESSMENT OF INVASIVE Eichhornia crassipes L. PARTS (LEAF, STEM AND ROOT)
Mamoona Bibi
Abstract
The purpose of this study in order to assessed the morphological and anatomical features of the invasive Echhornia crassipes L. stem, leaf and root by microscopic analysis. The leaf of E. crassipes is kidney like and glossy and has acceptable taste the powder is dark green in colour. The root is feathery and dark purple in colour and powder of root is thread like. Bulb is spongy and green in colour and 5 cm in diameter. The transverse section of leaf, root and bulb showed that leaf is composed of epidermal cell, cutical, spongy parenchyma, palisade parenchyma, xylem, phloem and air cavities while root is composed of epiblema, upper cortex, middle cortex, lower cortex, xylem, phloem, pericycle and pith region. The leaf have palisade ratio 10.91±0.34, stomatal number 223±5.61, stomatal index 11.21±2.51, vein islet number 13.54±1.12 and vein termination 14.31±1.94. In the case of powder investigations (leaf, bulb and root) revealed that leaf have many fragment such as epidermal cell, epidermis with stomata, parenchyma cell, palisade parenchyma cell, lower epidermal cell and cutical layer. The bulb showed different fragments as raphides of calcium oxalate, epidermal cell, cork cell, phloem tissue, broken prisms of calcium oxalate and cork vertical view. So, water hyacinth is considered more problematic as invasive weed in throughout the globe, therefore, morphological and anatomical studies is key for management and stop to further infestation where needs.
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