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Allelopathy Journal
Year : 2008, Volume : 22, Issue : 1
First page : ( 59) Last page : ( 68)
Print ISSN : 0971-4693. Online ISSN : 0973-5046.

Allelopathic effects of Lantana camara on physio-biochemical parameters of Mimosa pudica seeds

Maiti P. P., Bhakat R. K.*, Bhattacharjee A.1

Department of Botany and Forestry, Vidyasagar University, Midnapore-721 102, West Bengal, India. E-mail: parthapratimmaity78@yahoo.co.in/rkbhakat@rediffmail.com.

*Correspondence Author

1Department of Botany, Burdwan University, Burdwan - 713 104, West Bengal, India.

Revised:  13  June,  2008.

Abstract

We studied the influence of leaf extracts and leaf leachates of Lantana camara weed on the germination and metabolism of another weed Mimosa pudica. The extracts and leachates reduced the germination, speed of germination, seed viability and seedling emergence capacity of Mimosa seeds. The insoluble carbohydrate, protein, DNA and RNA and activities of dehydrogenase, catalase, peroxidase enzymes contents were significantly reduced. While, Amino acid, soluble carbohydrate levels (in seed leachates and seed kernels) and activity of amylase enzyme was increased in seeds pretreated with leaf extracts and leaf leachates.

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Keywords

Allelopathy, amino acids, amylase, carbohydrates, catalase, dehydrogenase, DNA, protein, RNA, seed germination, viability.

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