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Soil solarization for the Control of Fusarium Disease of Gladiolus (Fusarium Oxysporum F.SP. Gladioli) in the Field and its Effects on the Yield Components [electronic resource].

By:

Hilal, A. A

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Language: English Summary language: Arabic Description: p.57-66Other title:

أستخدام التعقيم الشمسي للتربة في مكافحة مرض الفيوزاريوم على الجلاديوس فى الحقل وتأثيره على مكونات المحصول الناتج [Added title page title]

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Egyptian journal of phytopathology, 2002 v. 30 (1) [electronic resource].

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In: Egyptian journal of phytopathology 2002.v.30(1)Summary: Efficacy of solarization (solar heating) against Fusarium disease of gladiolus was evaluated for ·the first time in Egypt. Sandy clay soil mulching with polyethylene sheets (2OOu thick) for 6 weeks during summer of 1997 and 1998 (28 July - 7 Sept) raised the maximum soil temperature to 42·C-48·C instead of33·C-34·C in the unmulched soil. High drop in total count of soil microorganisms; fungi (91.40% and 92.68%), bacteria (46.0% and 51.90%) and actinomycetes (90.90% and 87.69%) was recorded in the solarized soil in comparison with the same soil before mulching. The survived gladiolus plants in mulched areas reached 100%, in both seasons, against 62.5% and 66.5% in unmulched soil. High reduction in Fusarium disease occurrence on: (1) field plants (86.67% and 100%), (2) the produced corms (90.26 and 76.43%) and the stored corms (56.86% and 51.61%) were recorded for both experimental seasons.

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Efficacy of solarization (solar heating) against Fusarium disease of gladiolus was evaluated for ·the first time in Egypt. Sandy clay soil mulching with polyethylene sheets (2OOu thick) for 6 weeks during summer of 1997 and 1998 (28 July - 7 Sept) raised the maximum soil temperature to 42·C-48·C instead of33·C-34·C in the unmulched soil. High drop in total count of soil microorganisms; fungi (91.40% and 92.68%), bacteria (46.0% and 51.90%) and actinomycetes (90.90% and 87.69%) was recorded in the solarized soil in comparison with the same soil before mulching. The survived gladiolus plants in mulched areas reached 100%, in both seasons, against 62.5% and 66.5% in unmulched soil. High reduction in Fusarium disease occurrence on: (1) field plants (86.67% and 100%), (2) the produced corms (90.26 and 76.43%) and the stored corms (56.86% and 51.61%) were recorded for both experimental seasons.

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