Ontogeny and histochemistry of axillary bud inMurraya koenigii L. spreng
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Histochemical localization of total proteins, histories, nucleic acids, ascorbic acid and polysaccharides in the developing axillary bud ofMurraya koenigii and its vascular relationship with the main axis are investigated. All the above variable metabolites are richly distributed throughout the bud development. The shell zone is indicative of poor distribution of these metabolites. Histochemical tests prove that the axillary bud is metabolically very active. The initiation of the axillary bud is in the axil of the 2nd leaf where two cells of 2nd tunica layer become prominent and undergo periclinal divisions to give rise to the bud. The bud maintains tunica-corpus organization throughout its development. The cells of the shell zone at the base of the bud differentiate into pith meristem of the bud. The axillary bud has two bud traces which are associated with vascular strands that are not the traces of the subtending leaf.
Additional index wordsAscorbic acid proteins nucleic acids histones polysaccharides
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