DOI Prefix : 10.9780 | Journal DOI : 10.9780/22307850
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Volume : III, Issue : XI, December - 2013

Vascular Development And Transition In The Seedling Of Lupinus Albus L.

Abdel-Fattah I. El-Shaarawi , Sawsan M. Abou-Taleb And Hind S. Mohamed

DOI : 10.9780/22307850, Published By : Laxmi Book Publication

Abstract :

Transverse sections made in seedling of lupine (Lupinus albus L.) were examined by light microscope to study the development and transition of the vascular system. Vascular transition occurred in the root. It started few centimeters below the soil surface, and completed at the basal (superior) end of the root. No rotation was observed during the transition of vascular tissues from exarch radial to endarch collateral arrangement, but the protoxylem elements differentiated gradually on the inner side of metaxylem. Although vascular transition is completed at the base of the root, the vascular system of the hypocotyl axis showed differential structure at the different levels of the hypocotyl. Development and course of the leaf traces indicate that there is continuity between the vascular system of the hypocotyl and that of the epicotyl. Regardless the phase of transition; the fascicular cambium was established between the primary phloem and metaxylem.The development and activity of interfascicular cambium varied to some extent according to the level of seedling axis.

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Cite This Article :

Abdel-Fattah I. El-Shaarawi , Sawsan M. Abou-Taleb And Hind S. Mohamed, (2013). Vascular Development And Transition In The Seedling Of Lupinus Albus L.. Indian Streams Research Journal, Vol. III, Issue. XI, DOI : 10.9780/22307850,

References :

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