The role of some algae extracts on the development of dry rot disease caused by F.solani | ||
| Kufa Journal for Agricultural Science | ||
| Article 1, Volume 7, Issue 1, March 2015, Pages 183-196 | ||
| Authors | ||
| Hind Hadi Abbas; Jasim M. Salman; Alaa E. Hasan | ||
| Abstract | ||
| This research was conducted to evaluate the effectiveness of aqueous (hot and cold) and hexane extracts of four algae which are Oscillatoria irrigua , mixed(Anabaena sp. + Stigo sp.) , Scenedesmus quadricauda and Microcystis sp. to control dry rot disease on potato tubers. The results revered that the hexane extract of the Oscillatoria irrigua. with concentration of 3 ml / 10 ml medium was the most efficient in reducing the viable cells units of Fusarium solani to 9 x 104 ( CFU/ml) As well as the hexane extract of alga Oscillatoriairrigua in inhibited the growth of F.solani which giving an inhibition zone diameter of 26 mm while the average to giving inhibition zone diameter of hot aqueous extract was 18 mm. the experiment of storage revealed that the lowest dry rot percent age was in wounded and non-wounded by using hexane of Mixed(Anabaena sp. + Stigo sp.) , Microcystis sp. and Oscillatoria irriguathe while highest percentage of dry rot in potato tubers was at the control treatment with the wounded potato tubers and the presence of F.solani which was 86%. | ||
| Keywords | ||
| extracts; Dry root; Fusarium solani; Algae; solani | ||
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