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National Agricultural Research Centre (NARC), Islamabad  established in 1984, is the largest research centre of the Pakistan Agricultural Research Council (PARC). NARC, with a total land area of approximately 1400 acres, is located near Rawal Lake, six kilometers south-east of Islamabad. Physical facilities in term of experimental fields, laboratories, green houses, gene bank, library/ documentation, auditorium, machinery & lab equipment repair workshops, stores, hostels, cafeteria, audio visual studios, are also available at NARC.

Journal Article

Journal article

Effect of seed coating material in the efficacy of microbial antagonists for the control of root rot fungi on okra and sunflower  [2008]

Dawar, S. (Karachi Univ. (Pakistan). Dept. of Botany); Hayat, S. (Karachi Univ. (Pakistan). Dept. of Botany); Anis, M. (Karachi Univ. (Pakistan). Dept. of Botany); Zaki, M.J.;

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The biological potential of different microbial antagonists viz., Bacillus thuringiensis, Rhizobium meliloti, Aspergillus niger and Trichoderma harzianum was examined by coating the seeds with gum arabic, glucose, sugar and mollases in the suppression of root rot fungi viz., Macrophomina phaseolina, Rhizoctonia solani and Fusarium spp., on okra and sunflower plants. All biocontrol agents enhanced the germination and growth of plant as compared to control. Shoot length, shoot weight, root length, root weight were significantly increased in both okra and sunflower. Maximum plant height was observed where seeds of okra and sunflower were coated with T. harzianum using 2% of glucose followed by gum arabic, mollases and sugar solution. Gum arabic was found more effective in reducing infection by root rot fungi viz., M. phaseolina, R. solani and Fusarium spp. of the different microbial antagonists used, T. harzianum was found more effective followed by B. thuringiensis.

From the journal

Pakistan Journal of Botany (Pakistan)

ISSN : 0556-3321