ANATOMICAL AND CHEMICAL INVESTIGATIONS ON ASPARAGUS OFFICINALIS L. (ASPARAGACEAE)

Document Type : Original Article

Authors

Agricultural Botany Dept., Fac. of Agric., Cairo Univ., Giza, Egypt

Abstract

Although Asparagus (Asparagus officinalis L.) is chiefly known as a vegetable herb, little information about the botanical characteristics of such plant are available. Therefore, it is aimed in this study to bring light more information about the morphological, anatomical and some important chemical contents of vegetative and reproductive organs of the plant, throughout the consecutive stages of its entire life span under the local conditions. Seeds of Asparagus (cv. Mary Washington 500 W) were sown 2nd Feb. 2013. The field experiment was carried out at the Experimental and Research Station of Fac. of Agric., Cairo Univ., Giza, Egypt during the two successive growing seasons 2013 and 2014. Asparagus is a herbaceous, perennial plant that grows up to 1.5- 2 m height. The plant posses aerial stems (ferns) and much- branched feathery foliage. The leaves are triangular scales like, 3-7 mm in length. The cladodes (modified stems) arise in the axis of scale leaves . Cladodes are found in fascicles (3-6) on each node. The flowers are bell- shaped, greenish –white to yellowish, 4.5-6.5mm long, with 6- tepals,single or in clusters of 2-3. Anatomical studies were carried out for various organs of Asparagus plant including, apex of the aerial stem, visible internode below shoot apex, median portion of the aerial stem, the cladode , median portion of spear, scale - like leaf, rhizome, adventitious root. The major chemical metabolites contents of spear were determined.

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