Efficacy of Seaweed Concentrate from Ecklonia maxima (Osbeck) and Conventional Fungicides in the Control of Verticillium Wilt of Pepper
Efikasnost ekstrakta morske alge Ecklonia maxima (Osbeck) i konvencionalnih fungicida u suzbijanju prouzrokovača verticilioznog uvenuća paprike
View/ Open
Author
Rekanovic, Emil
Potocnik, Ivana
Milijasevic-Marcic, Svetlana
Stepanovic, Milos
Todorovic, Biljana
Mihajlovic, Milica
Keywords
Ecklonia maximaCarbendazim
Thiophanate-methyl
Pepper
Verticillium dahliae
karbendazim
tiofanat-metil
paprika
Metadata
Show full item recordAbstract
In order to control the causal agent of Verticillium wilt of pepper (Verticillium dahliae),
the efficacy of two conventional fungicides, thiophanate-methyl and carbendazim,
and seaweed concentrate (SWC) from Ecklonia maxima was evaluated in greenhouse
conditions. Pepper plants were inoculated with selected V. dahliae isolate in the stage of
more than nine fully developed leaves on primary stem. The tested fungicides and SWC
were applied three days before inoculation of pepper plants. Carbendazim was the most
efficient fungicide among tested substances (69.64%). SWC proved to be more effective
when applied at 1.0% concentarion (41.96%). The use of thiophanate-methyl provided
good Verticillium wilt control in pepper (60.71%). SWC was less efficient than thiophanate-
methyl and carbendazim, but still significantly better compared to the disease
control plot. U cilju suzbijanja prouzrokovača verticilioznog uvenuća paprike (Verticillium dahliae) u
uslovima staklenika ispitivana je efikasnost dva konvencionalna fungicida, karbendazima i
tiofanat-metila, i esktrakta morske alge Ecklonia maxima. Biljke paprike su inokulisane odbaranim
izolatom V. dahliae u fenofazi kada je na glavnom stablu bilo potpuno razvijeno devet
listova. Ispitivani fungicidi i esktrakt morske alge su primenjeni tri dana pre inokulacije
biljaka paprike. Karbendazim je bio najefikasniji u odnosu na ispitivane preparate (69,64%).
Ekstrakt morske alge je ispoljio veću efikasnost pri višoj koncentraciji (41,96%). Tiofanat-metil
je takođe ispoljio dobru efikasnost u suzbijanju V. dahliae. Ekstrakt morske alge je ispoljio
manju efikasnost u odnosu na karbendazim i tiofanat-metil, ali je ipak statistički značajno
bio bolji u odnosu na kontrolnu inokulisanu varijantu.