Allelopathy the term coined by Prof. Hans Molisch, a German Plant Physiologist in 1937 is a new field of science. However, no standard methods are being used by various workers due to lack of compendium on the Techniques, hence, the results obtained are not easily comparable with each others. Till now lot of allelopathy research has been done in various fields of Agricultural and Plant Sciences. However, there is no compilation of various Research Methods used. ...