SYNERGISTIC EFFECTS OF MICROBIAL ANTAGONISTS AND ...

hrought out bv the use of e~ther non pathogen~c I.'oxvsporum or fluorescentPsessulomonas spp I he combination of these two agents has been ver) effic~ent andconslstenl in controlling the Fusarium wilt dlsease (Lernanceau rt a/, 1992.lxrnanceau and Aiabouvette, 1W1) Appllcat~on of combination ol strains oftluorescent Pseudomonos spp on C;aertmannom.vces gramrnrs \ ar grumrnrss~gn~ticantl\ wpprewd the hhc-all dlcease than the e~ther treatment gl\en alone( L)ull\ and Weller. 1W5)Wqciech Janlsic\r lcz ( I W(l) scr~~ned 2 I !east antagonists trh~ch \$.ere testedtbr the control of hluc mold d~scase of apple In 13 different mlvtures Out of thls, 3mlxturcs werc dlstlnct~vel! Sen cff'c~tl\e and bctter than an!of the indi\,~dualtreatments BILK' mold dtwclsc. of apple caustd h!Penrcrllrtrni e.rpanstinr \\.asc~TK.~I\cI\ controlled h the comblnat~on of two yeast strains. T5-D3 and 7'5-E2brhen compared to the indlv~dual antagonist lreatmenr Enhancing b~ologlcal controlh\ uslng mlxture of hlocontrol agents has the following advantages* 11 ma! hroadcn the sprtrum of act^\ IE4 It nan? enhancc the ellicac! and reliablllt) ol'the b~olog~cal control4 It allow the comhlnntlon of varcous tralts nithout the employment of geneticenglnccrlng (Wo~clwh Janisr\rlc~ 1%)'l'he comhtnatlon of P .nrr%w and pink \east. Spombolom~res mscus. eachen'cc11ve agatnst hoth M u nmld and green mold dlxases of apple, enhanced controlof thac drscavs an mturc apple hilts (Jan~s~e\vrr and Hon. 1W5) Lernanceauel d (1992) ~m aMe io control Pusanurn n11t diseax by combining a non-palhogm~ antagon~st~~ straln ol b' c ~ s p w m wlth f'prrrtdu. whh were notefk~wc when either of thc antagonla was utad alone