Efficacy of plant extracts application on suppression of botrytis cinerea and impact on blackberries yield
2015
Zavišić, Nada (Agricultural institute of Republic of Srpska, Banja Luka (Bosnia and Herzegovina)) | Rosić, Željko (Agricultural institute of Republic of Srpska, Banja Luka (Bosnia and Herzegovina)) | Lakić, Željko (Agricultural institute of Republic of Srpska, Banja Luka (Bosnia and Herzegovina)) | Kapić, Mehira (Inspector at Department for Inspaction Affairs, Cazin (Bosnia and Herzegovina))
Field tests of efficacy of nettle, dandelion and alfalfa water extracts application were conducted an organic plantation. Laboratory tests are performed at the Agricultural Institute of Republic of Srpska - Banja Luka and Veterinary Institute "Vaso Butozan" in Banja Luka. It was analyzed the following properties of water extracts: health safety, efficacy in preventing the development of Botrytis cinierea in, in vitro conditions“ and impact on the yield of blackberries. Control of the microbiological safety of the water extracts had shown that they were health safety and can be used for foliar treatment of blackberry bushes. It was found that extracts of nettle with fermentation time of 14 and 21 days showed medium inhibitory effect on mycelium growth of the fungus Botrytis cinerea. There was no inhibitory effect of dandelion and alfalfa extracts on mycelium growth of the fungus Botrytis cinerea.All tested treatments achieved a higher yield of blackberries compared to the control. The highest average yield of blackberry was achieved by treatment with water extract of alfalfa. Fermentation time did not affect the yield of blackberries in any of the treatments.
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