INTRODUCTION (C H O ), hippuric acid and benzoic acids and 4% mangin
Mangifera indica L. belonging to the family significantly inhibit sprouting of purple nutsedge tubers
Anacardiaceae is one of the best known and most popular [11] and its aqueous extract inhibiting germination and
evergreen trees, native to Indian subcontinent and found growth of some crops [12].
widely distributed in tropical and subtropical regions. Several studies have indicated that the
The tree is large and tall (upto 40m) with a rounded allelochemicals (eg. Phenolics, terpenoids, alkaloids and
canopy or foliage with leathery leaves and big fleshy their derivatives) are toxics which may inhibit shoot/ root
edible drupes as fruits [1]. It is one of the most important growth, nutrient uptake, or may attack a naturally
multipurpose trees growing with wide range of cultivated occurring symbiotic relationship thereby destroying the
species and forms a component of agroforestry practices usable source of plants of a nutrient. The consequent
like home garden and silvipastoral system, however, in effects may be inhibited or retarded germination rate,
[