Asian Science
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Abstract: Six fungicides viz., cupravit, thiovit, dithane M-45, bavistin, rovral and suncozeb
were tested against C.gloeosporioides. Dithane M-45, rovral,
thiovit and suncozeb were the most effective ones. Cupravit and bavistin
were less effective in the inhibition of conidial germination. Ten plant-extracts
considered as fungicides were tested, out of which Tagetes erecta leaf
and Azadirachta indica bark extracts were the most effective in inhibiting
Colletotrichum gloeosporioides after 5-30 minutes of immersion and in
5:1.25 (w/v) concentration. The phytohormone IAA had great effect against the
inhibition (100%) of C. gloeosporioides at 0.005 to 0.006% concentration
for an immersion after 5-30 minutes. Rest of the hormones also had good effects
against C. gloeosporioides.