FLORA AND FAUNA ISSN 2456-9364(Online) 0971-6920(Print)
2020 Vol.26 No.1 PP 37­-45
Allelopathic effect of different accessions of Jatropha curcas on field crops in Bundelkhand Region (U.P.) India
Neel Ratan, Ghan Shyam, R.K. Gupta and*U.N. Singh
Department of Botany,
D.V. (P.G.) College,
ORAI - 285001 (U.P.) INDIA
*Corresponding Author : Email : drunsingh@rediffmail.com; drunsingh1945@gmail.com
Allelopathic effect of three accessions of Jatropha curcas on four field crops viz. Triticum aestivum, Raphanus sativus, Linum usitatissimum and Lens esculenta through bioassy was studied in laboratory. The level of inhibition of aqueous leaf extract of J. curcas varied with its accessions and type of tested field crops. The tolerance of the crops was in order of Lens esculenta > T. aestivum > Raphanus sativus > Linum usitatissimum. Invariably, maximum inhibition was observed in the higher concentrations of aqueous extract.

Key words : Allelopathy, Field crops, Jatropha curcas, Leaf aqueous extract.
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