ΜΕΛΕΤΗ ΤΩΝ ΒΕΡΤΙΣΙΛΛΙΩΣΕΩΝ ΤΩΝ ΦΥΤΩΝ ΣΤΗ ΝΗΣΟ ΚΡΗΤΗ
Abstract
EXTENSIVE SURVEY OF 98 CULTIVATED AND WEED SPECIES OF PLANTS SHOWING VERTICILLIUM WILT SYMPTOMS WAS DONE IN CRETE DURING 1992 -97.IN ADDITION CULTIVATION OF SEVERAL PLANTS WAS DONE IN A NATURALLY INFESTED WITH BACTERIUM V.DAHLIE 33NEW HOSTS OF V.DAHLIE WERE FOUND .OF THESE HOSTS , 15 ARE NEW WORLD WIDE AND 18 ARE NEW FOR GREECE .RACE 1 OF THE FUNGUS IS WIDELY SPREAD IN CRETE , WHEREAS RACE 2 ISN'T HOWEVER RACE IN LOCALLY SPREAD IN LASITHI PLATEAU.ARTIFICIALINOCULATION OF 20 NEW OR KNOWN HOSTS OF V.DAHL IE WERE DONE WITH 14 SINGLE SPORE ISOLATES OF THE FUNEUS WHICH BELONGED TO THE RACES 1 ORE 2 .SIGNIFICANT DIFFRENCES WERE FOUND AMONG THE ISOLATES USED IN VIRULENCE AND HOST RANGE , HOWEVER SPECIFIC ISOLATE OF THE FUNGUS WERE NOT FOUND .ARTIFICIAL INOCULA TION TESTS OF THE TOMATO LINES (NC 3V , NC 3V-2-5-2 AND NC 3V-1-3-2) WHICH ARE CONSIDERED AS RESISTANT TO RACE 2 OF THE V.DAHLIE WERE DONE WITH SEVERAL ISOLATESOF RACE 2.THESE LINES WERE INFECTED BY THE FUNGUS AND ...
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