3Sturz,A.V.Christie,B.R.Matheson,B.G.Associations of bacterial endophyte populationsfrom red clover and potato crops with potential for beneficial allelopathy [J].Canadian Journal of Mi- crobiology,1998,44(2):162-167.
4Haugland,E. Brandsaeter, L.O. Experiments on bioassay sensi- tivity in the study of" allelopathy [J].Journal of Chemical Ecolo- gy,1996,22(10):1845-1859.