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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5120

Title: The Role of Silica and Nitrogen in Resistance of Maize to Stem Borer Attack
Authors: Baidoo, P. K.
Keywords: Maize
silica content
nitrogen content
stem borer damage
Issue Date: 2004
Publisher: Journal of Science and Technology
Citation: Journal of Science and Technology, Vol. 24 No. 1, 2004 pp 1-4
Abstract: The silica and nitrogen contents of the dry weights of five maize varieties Obaatanpa, Abeleehi, Okomasa, Ewifompe and Abutui were determined using the gravimetric method and Kjedahl's method respectively to determine how these affect the level of stemborer infestation in maize. The experiment was conducted in the major and minor planting seasons. In the minor season, the silica content of the stem ranged from 0.44% dry weight in Obaatanpa to 0.53% in Abutui. The differences were statistically not significant (P > 0.05). Higher percent silica was recorded for the different maize varieties in the major season. This ranged from 1.19% in Abeleehi to 1.58% in Abutui The differences in the percent silica was statistically not significant (P > 0.05). There was a high negative correlation between the percent silica and the number of infested plants as well as the number of larvae/pupae per infested plant. In the minor season the introgen content ranged from 0.30% in Abutui to 0.68% in Ewifompe whilst in the major season it ranged from 0.40% in Abutui to 0.90% in Ewifompe. Stem borer infestation appeared to correlate with nitrogen content of the stem.
Description: Article published in the Journal of Science and Technology, Vol. 24 No. 1, 2004 pp 1-4
URI: http://hdl.handle.net/123456789/5120
ISSN: 08550395
Appears in Collections:Journal of Science and Technology 2000-

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