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Biological and chemical control of stemcanker and black-scurf on potato in Egypt [electronic resource].

By:

Abada, K. A

Contributor(s):

Abdel-Aziz, M. A

Language: English Summary language: Arabic Description: p.115-128Other title:

المقاومة البيولوجية والكيماوية لمرض تقرح الساق والقشرة السوداء فى البطاطس [Added title page title]

Uniform titles:

Bulletin of Faculty of Agriculture. Cairo University, 2002 v. 53 (1) [electronic resource].

Subject(s):

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Full Text Article

In: The Bulletin Faculty of Agriculture, Cairo University 2002.v.53(1)Summary: Biological control of black-scurf and stem-canker caused by Rhizoctonia solani Kuhn was achieved by using three commercial bioagents, i.e., Plant Guard, Promot and Rizo-N in pot and field experiments during two successive growing seasons. Data indicated that using any of the tested bioagents for treating segments of potato tubers before sowing caused significant reduction in the average percentages of dead plants (stem-canker) and infected tubers (blackscurf on the tubers) with significant increase in tuber yield. Treating segments of potato tubers with any of the three tested fungicides, i.e., Rovral, Sumisclex and Rizolex-10% before sowing caused significant reduction in the infection with stem-canker and black-scurf with significant increase in tuber yield in pot and field experiments. In addition, chemical control was more efficient either in reducing the disease or increasing tuber yield compared with biological control.

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Biological control of black-scurf and stem-canker caused by Rhizoctonia solani Kuhn was achieved by using three commercial bioagents, i.e., Plant Guard, Promot and Rizo-N in pot and field experiments during two successive growing seasons. Data indicated that using any of the tested bioagents for treating segments of potato tubers before sowing caused significant reduction in the average percentages of dead plants (stem-canker) and infected tubers (blackscurf on the tubers) with significant increase in tuber yield. Treating segments of potato tubers with any of the three tested fungicides, i.e., Rovral, Sumisclex and Rizolex-10% before sowing caused significant reduction in the infection with stem-canker and black-scurf with significant increase in tuber yield in pot and field experiments. In addition, chemical control was more efficient either in reducing the disease or increasing tuber yield compared with biological control.

Summary in Arabic.

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