Screening and Utilization of Allelopathic Plants for the Cultural Practice Improvement in Ginseng(Panax ginseng C.A. Meyer)
1998
Yang K.J. College of Natural Resources, Joongbu University, Kumsan 312-940 (Korea Republic) Kim K.H. College of Agriculture and Life Science, Kon-Kuk University, Seoul 143-701 (Korea Republic)
This study was conducted to develop labor and chemical cultural practice improvement for weed control in ginseng field. Five crop species were screened in vitro and three crop extracts were sprayed in the test allelopathic effect for weed species. Methyl alcohol extracts of rice, oat, rye and wheat straw showed inhibitory effect on the germination of six weed species, Amaranthus retroflexus, Chenopodium album, Arthraxon hispidus, Digitaria adscendens, Echinochloa crus-galli, and Setaria viridis. Expecially, extract of oat straw was most effective to inhibit the germination of six weed species tested. Also, spraying the extract solution of rice, rye and wheat straw was effective to inhibit the growth of weeds in ginseng field. Ginseng root length, diameter, fresh and dry weight in extract spraying plot were higher than those of non-treatment plot.
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