Abstract
Summary Allelopathy is well known as an interaction among plants (including microbes) through chemicals produced by plants. Recently, many investigations have evaluated the possibility of the use of allelo-pathic substances as a natural herbicide. Alfalfa (Medicago sativa L.) is reported to contain allelopathic chemicals that inhibit the growth of weeds. Experiments were conducted in Laboratory of Crop Science, Experimental Farm of Miyazaki University and Kobayashi city in Miyazaki Prefecture, Japan to determine the allelopathic impact of alfalfa pellet (commercial forage fodder) on germination and growth of lowland weeds, and its potential as a natural herbicide in paddy field. The results indicated that alfalfa pellet significantly inhibited germination and growth of 4 weed species, viz., Echinochloa orygicola, Digitaria ciliaris, Cyperus difformis and Monocholia vaginalis in rice paddies. Among the 4 tested weeds, the maximum inhibitory effect of alfalfa pellet was seen against Cyperus difformis. The d...
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