Effect of some fungicides, bioagents and essential oils for controlling purple blotch disease of onion [electronic resource].

By: Contributor(s): Language: English Summary language: Arabic Description: P.663-676Other title:
  • تأثير بعض المبيدات الفطرية والعوامل الحيوية والزيوت النباتية لمقاومة مرض اللطعة الارجوانية فى البصل [Added title page title]
Uniform titles:
  • Mansoura university journal of plant protection and pathology, 2011 v. 2 (7) [electronic resource].
Subject(s): Online resources: In: Mansoura University Journal of Plant Protection and Pathology 2011.v.2(7)Summary: linear growth of Alternaria parri (Ellis) Ciferri. was significantly reduced after 5 days with Ridomil plus 50% and Ridomil M 72 respectively. The same trend was observed with spore germination A. porri. Also, Trichoderma hamutum was the best antagonistic fungi in reducing the linear growth of A. porri compared control followed by Trichoderma harizianum and T. viride, while, Glicoladium roseum gave a moderate inhibition while, antagonistic bacteria gave highly inhibition. Bacillus subti/us gave high inhibition compared control. On the other hand, the tested essential oils inhibited in linear growth of A. porri at all tested concentrations compared with untreated control. Cinnamon, mint and clove oils gave the highest inhibited the linear growth of the pathogenic fungus, respectively followed by camphor and thyme.
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linear growth of Alternaria parri (Ellis) Ciferri. was significantly reduced after 5 days with Ridomil plus 50% and Ridomil M 72 respectively. The same trend was observed with spore germination A. porri. Also, Trichoderma hamutum was the best antagonistic fungi in reducing the linear growth of A. porri compared control followed by Trichoderma harizianum and T. viride, while, Glicoladium roseum gave a moderate inhibition while, antagonistic bacteria gave highly inhibition. Bacillus subti/us gave high inhibition compared control. On the other hand, the tested essential oils inhibited in linear growth of A. porri at all tested concentrations compared with untreated control. Cinnamon, mint and clove oils gave the highest inhibited the linear growth of the pathogenic fungus, respectively followed by camphor and thyme.

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