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Web URL(s): | 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 |
Publication Type:
| 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
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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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| Web URL(s): 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 |
| MSU catalog number: S 22 .A45 |
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