Full TGIF Record # 784
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/71/4/AJ0710040553
    Last checked: 12/08/2016
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Publication Type:
i
Refereed
Author(s):Hull, R. J.; Jackson, N.; Skogley, C. R.
Author Affiliation:Hull: Associate Professor; Skogley: Professor, Plant and Soil Science; Jackson: Professor, Plant Pathology and Entomology, University of Rhode Island, Kingston, Rhode Island
Title:Influence of nutrition on stripe smut severity in Kentucky bluegrass turf
Source:Agronomy Journal. Vol. 71, No. 4, July/August 1979, p. 553-555.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:3
Keywords:TIC Keywords: Disease severity; Quality evaluation; Fertilizer combinations; Poa pratensis; Ustilago striiformis; Fertility balance; Stripe smut; Nitrogen; Oxygen; Phosphorus; Potassium; Fertilization program
Cultivar Names:Merion
Abstract/Contents:"Stripe smut, caused by the fungus Ustilago striiformis (West.) Niessl., is highly destructive to several fine turf cultivars of Kentucky bluegrass (Poa pratensis L.). while there is evidence that turf management practices can modify disease injury, the role of nutrient status in disease development is uncertain. Stripe smut severity and fertility management was studied using 'Merion' Kentucky bluegrass plots fertilized with four nutrient combinations (N:O:O, N:P:O, N:O:K, and N:P:K) applied at three rates (12:2:4, 24:4:8, and 48:8:16 g N, P, and K per m2 per year). A natural infection of stripe smut occurred throughout the plot area in 1972 and persisted through 1975. After infection, a close correlation between turf quality and disease incidence was noted. Heavily infected plots, as indicated by disease scores and counts of infected tillers, were those fertilized at high rates with incomplete fertilizers. Grass receiving high rates of N-P-K fertilizer was less diseased than that receiving high N alone or N plus P or K. Tiller counts revealed stand thinning in all plots as the disease continued but low fertility plots contained more plants than heavily fertilized plots. Stripe smut severity in susceptible Kentucky bluegrass cultivars is influenced by fertility level and balance."
Language:English
References:12
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hull, R. J., N. Jackson, and C. R. Skogley. 1979. Influence of nutrition on stripe smut severity in Kentucky bluegrass turf. Agron. J. 71(4):p. 553-555.
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https://dl.sciencesocieties.org/publications/aj/pdfs/71/4/AJ0710040553
    Last checked: 12/08/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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