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Web URL(s): | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2617903/pdf/281.pdf#page=17 Last checked: 01/28/2014 Requires: PDF Reader Notes: Item is within a single large file http://journals.fcla.edu/jon/article/view/65097/62765 08/17/2018 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Author(s): | Rodriguez-Kabana, R.;
Haaland, R. L.;
Elkins, C. B.;
Hoveland, C. S. |
Author Affiliation: | Departments of Botany and Microbiology, and Agronomy and Soils, Auburn University, Auburn, Alabama |
Title: | Relationship of root diameter and number of roots to damage of tall fescue by lance nematodes |
Section: | Abstracts of papers presented at the Seventh Annual Meeting of the Society of Nematologists Other records with the "Abstracts of papers presented at the Seventh Annual Meeting of the Society of Nematologists" Section
|
Meeting Info.: | Hot Springs, Arkansas: August 7-10, 1978 |
Source: | Journal of Nematology. Vol. 10, No. 4, October 1978, p. 297. |
Publishing Information: | Lawrence, Kansas: Society of Nematologists |
# of Pages: | 1 |
Keywords: | TIC Keywords: Hoplolaimus galeatus; Festuca arundinacea; Pathogenicity; Root hairs
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Abstract/Contents: | "The effect of Hoplolaimus galeatus on two tall fescue (Festuca arundinacea) types was studied in 10-cm-diam plexiglass columns 60 cm tall filled with a sandy loam infested with the nematode. Columns with sterile soil were included as controls. Each column was planted with a single sprig and maintained for 3 months in a growth chamber (temperature: day = 26 C; night = 18 C). One tall fescue genotype (AU 7) was characterized by large-diam roots with few secondary roots; the other (AU 81) had small-diam roots with many secondary roots. Nematodes caused reductions in: Mg uptake, forage and root production, and water uptake (measured manometrically and by weighing). These reductions were significantly greater in AU 7 than in AU 81. Nematodes also caused significant reductions in the number of root hairs in both clones. AU 7 sustained twice the number of nematodes/g of fresh root as AU 81. Root density decreased with depth in all columns. This decrease was greater (P = 0.05) for nematode-infected roots than for uninfected ones. Also, the nematode effect on root density was greater (P = 0.05) with AU 7 than with AU 81. Results indicate that tolerance of tall fescue to H. galeatus is associated with ability to produce large numbers of small-diam roots." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Rodriguez-Kabana, R., R. L. Haaland, C. B. Elkins, and C. S. Hoveland. 1978. Relationship of root diameter and number of roots to damage of tall fescue by lance nematodes. J. Nematol. 10(4):p. 297. |
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| Web URL(s): http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2617903/pdf/281.pdf#page=17 Last checked: 01/28/2014 Requires: PDF Reader Notes: Item is within a single large file http://journals.fcla.edu/jon/article/view/65097/62765 08/17/2018 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: b2224870a |
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