CYTOTOXIC EFFECT OF OBNOXIOUS WEED PARTHENIUM HYSTEROPHORUS ON ROOT CELLS OF CHICKPEA (CICER ARIETINUM L.)

Article Id: ARCC2744 | Page : 72 - 75
Citation :- CYTOTOXIC EFFECT OF OBNOXIOUS WEED PARTHENIUM HYSTEROPHORUS ON ROOT CELLS OF CHICKPEA (CICER ARIETINUM L.).Indian Journal Of Agricultural Research.2006.(40):72 - 75
Rakesh Kumar1, Vinita Shrama and G. Kumar*
Address : Plant Genetics Laboratory, Department of Botany, University of Allahabad, Allahabad- 211002, India

Abstract

Root and leaf exudates of Parthenium hysterophorus were used to assess its cytotoxic
effect on mitosis of chickpea (Cicer arietinum L.) root system. Cytotoxicity of root and leaf
exudates was studied by treating chickpea roots with different concentrations of exudates along
with control, which was maintained separetely. Mitotic index was inhibited while the percentage
of mitotic abnormalities increased with increasing concentrations of the exudates. The root tips
grown in various concentrations of both root and leaf exudates, exhibited various types of mitotic
abnormalities such as chromosome fragmentation, ring metaphase, stickiness, laggards and
bridges etc.

Keywords

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