8Weinding R. Studies on a lethal principle effective in the para- sitic action of Trichoderma lignorum on Rhizictonia solani and other soil fungi [ J ]. Phytopathology, 1932,22 : 837 - 845.
9Chang Y C, Baker R. Chet I 1 Increased growth of plants in the biological control agent Trichoderma harzianum [ J ]. Plant Dis- ease, 1986,70 (2) : 145 - 148.
10WINDHAM M T, ELAD Y, BAKER R. A mechanism for in- creased plant growth induced by Tr ichoderma spp. [ J 1. Phy- topathology, 1986,76 : 518 - 521.