Vijayveer Singh* Abha Arora2 and Adesh Kumar3
1&2S.D. College, Muzaffarnagar (U.P.)
3M.M.H. College, Ghaziabad (U.P.)
Received-26.11.2017, Revised-30.07.2018
Abstract: Allelopathy is environmentally safe tool for removal of hazardous weeds which interferes with crops in terms of nutrition, space, fertilizers. The weed plants affect the growth of crop plants through secreting certain allelochemical subsances. To solve this problem, a majority of research has been done to evaluate the properties and effects of allelochemicals extracted from plants or procured. In this review effect of allelochemicals on some selected broad leaved weeds like black nightshade (Solanum nigrum L.), goatweed(Ageratum conyzoides L.), indian mallow (Abutilon indicum (Linn.) Sweet, velvetleaf (Abutilon theophrasti Medik.), coffee senna (Cassia occidentalis L.), sicklepod (Cassia obtusifolia L.) have been discussed for their management.
Key words: Allelopathy, Allelochemicals, Crop, Weeds
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