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Development of endosperm, embryo and seed coat inAmischophacellus axillaris L

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Proceedings / Indian Academy of Sciences

Abstract

The endosperm formation is of nuclear type. A persistent chalazal haustorium with prominent processes is present. Compound starch grains are present in abundance in the endosperm cells except in the cells of the outer layer.

Embryogeny is of Asterad type and is placed under Commelina variation.

A persistent hypostase and a crushed epistase are present in a mature seed. A collar is formed by the activities of both the nucellus and the integuments.

The basal region of the seed is filled with mealy endosperm and the collar region is occupied by a massive embryo surrounded by a few disintegrated endosperm cells.

The seed coat is formed by both the layers of the inner integument and the inner epidermis of the outer integument. The cells of the outer layer of the outer integument in the collar region form a cap crowning the seed.

Thick cutin is present on the degenerated nucellus and on the outer epidermis of the inner integument.

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Authors and Affiliations

  1. Department of Botany, Karnatak University, Dharwar 3, India

    P. S. Chikkannaiah

Authors
  1. P. S. Chikkannaiah
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Additional information

Communicated by Prof. T. S. Mahabale,f.a.sc.

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Chikkannaiah, P.S. Development of endosperm, embryo and seed coat inAmischophacellus axillaris L. Proc. Indian Acad. Sci. 77, 166–175 (1973). https://doi.org/10.1007/BF03045592

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  • DOI: https://doi.org/10.1007/BF03045592

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