THE STUDY OF FEMALE GAMETOPHYTE DEVELOPMENT IN (CENTAUREA DEPRESSA L.)

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HOSSEINI N.; NAZEMI M.

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Journal Paper

Paper Information

Journal: JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY Year:2013 | Volume:7 | Issue:4 (28) Page(s): 10-18

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Information Journal Paper

Title

THE STUDY OF FEMALE GAMETOPHYTE DEVELOPMENT IN (CENTAUREA DEPRESSA L.)

Author(s)

HOSSEINI N. | NAZEMI M. | Issue Writer Certificate

Keywords

CENTAUREA DEPRESSAQ2

EMBRYO SACQ3

ENDOTELIUM LAYERQ2

POLYGONUM MONOSPORIQ2

Abstract

Embryology has a considerable importance in the plant biology and taxonomy. In the present study, different developmental stages of CENTAUREA DEPRESSA ovules were investigated. To do this, flower buds and flowers of the plant were collected at the different developmental stages and were fixed in FAA70 before storing in 70% ethyl alcohol. Plant samples were embedded in paraffin and sectioning was performed using a microtome. Prepared sections were stained with hematoxylin and eosin. A light microscope was used to study samples prepared from different developmental stages of the plant. According to the results, ovules of the studied plant are anatropic and bitegmic and contain small amounts of nucelle. Development of EMBRYO SAC in this plant is monosporic and belongs to Polygonum type. Therefore, megaspore presents in the chalaze is a functional megaspore. After meiosis, megaspore tetrads arrange in a T-shape. The endothelial layer is formed from one cell layer and persists until embryo is developed. At first, EMBRYO SAC is primarily very small, but has a considerable longitudinaly growth during development.

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References

STUDY ON POLLEN GRAIN AND OVULE DEVELOPMENTAL PROPERTIES IN CENTAUREA IBERICA TREVIR. EX SPRENG

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APA: Copy

HOSSEINI, N., & NAZEMI, M.. (2013). THE STUDY OF FEMALE GAMETOPHYTE DEVELOPMENT IN (CENTAUREA DEPRESSA L.). JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, 7(4 (28)), 10-18. SID. https://sid.ir/paper/185684/en

Vancouver: Copy

HOSSEINI N., NAZEMI M.. THE STUDY OF FEMALE GAMETOPHYTE DEVELOPMENT IN (CENTAUREA DEPRESSA L.). JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY[Internet]. 2013;7(4 (28)):10-18. Available from: https://sid.ir/paper/185684/en

IEEE: Copy

N. HOSSEINI, and M. NAZEMI, “THE STUDY OF FEMALE GAMETOPHYTE DEVELOPMENT IN (CENTAUREA DEPRESSA L.),” JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, vol. 7, no. 4 (28), pp. 10–18, 2013, [Online]. Available: https://sid.ir/paper/185684/en

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