8Yu J Q, Matusi Y. Phytoxic substances in root exudates of cucumber[ J]. Chem. Ecol. , 1994,20:21 -23.
9Tsanuo M K, Hassanali A, Hooper A Met al. Isoflavanones from the allelopathic aqueous root exudates of De-smodium uncinatum [ J ]. Phytochemistry,2003,64 ( 1 ) : 265 -273.
10El-Holmouch Y, Benharat H, Thalouarn Pet al. Effect of rood exudates from different tomato genotypes on broomrape( O. aegyptiaca) seed germination and tubercle development [ J]. Crop Prod. ,2006,25 (5) : 501 -507.