Analysis and Comparison of Fusiform Rust Disease Progress Curves for Five Slash Pine Familes

Griggs, Margene M.

doi:10.1094/phyto-68-1631

Cited by 5 publications

(2 citation statements)

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“…In addition to variations in resistance exhibited by a single genotype in different environments, interactions between environments and host plants can be found. Such interactions have been reported between growmg sites and rust infections of Salix clones (RONNBERG-WASTLJUNG and THORSEN 1988) and between soil sites and fusiform rust susceptibility of loblolly-and slash-pine families (RowAN 1977;GRIGGS et al 1978). Conversely, no cultivar-environment effect has been found in barley-rust infections (PARLEVLIET and VAN OMMEREN 1975;PARLEVLIET 1979).…”

Section: Introductionmentioning

confidence: 88%

Variation in Melampsoridium resistance among European white‐birch clones grown in different fertilization treatments

Poteri

Rousi²

1996

European Journal of Forest Pathology

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Resistance of 2-year-old plantlets of seven European white bireh, Betula pendula, clones to birch rust, Melampsoridium betulinum, was studied in field experiments and in a leaf-disc bioassay. In addition, rust resistance of plantlets growing in a nursery under three fertilization treatments was tested. The birch clones clearly varied in their levels of resistance. One of the elones was consistently the most resistant, and two were very susceptible. Plantlets growing in the lowest fertility treatment were the most resistant. Clone x fertilization interaction was small. Trie plantlets grown in the lowest fertilization treatment, in particular, deviated from the other treatments. Cenerally good rust-resistance eorrelations were obtained between different experiments. The leaf-disc bioassay was an effective way of determining the field rust resistance of birch elones. The possibility of trade-offs between rust resistance and tree growth is discussed.

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Section: Introductionmentioning

confidence: 88%

Variation in Melampsoridium resistance among European white‐birch clones grown in different fertilization treatments

Poteri

Rousi²

1996

European Journal of Forest Pathology

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“…Another method (Griggs et al 1978) to compare disease progress curves is a growth analysis procedure proposed by Rao (1965) and Wishart (1938 (Gregory 1968, MacKenzie 1976, and Van der Plank 1963. Berger and Luke (1979) found that the log^g 2£ ( = y) transformation did not adequately straighten their disease gradient curves, and therefore, did not define the gradient when x > 0.5.…”

Section: Management/ Controlmentioning

confidence: 99%

Increase and spread of brown spot needle blight within single and multiple family plantings of open-pollinated longleaf pine

Griggs¹

1983

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Longleaf pine selections used to determine the increase and spread of brown spot needle blight 31 2. Single and multiple family treatments of longleaf pine used 33 3. Analysis of variance tables and expected mean squares for brown spot variables in a randomized complete block design 39 4. Analysis of variance table and expected mean squares for disease gradient slopes of Scirrhia acicola 45 5. Analysis of variance tables with mean squares for disease variables and height at four distances for single family treatments of longleaf pine in Mississippi 47 6. Means by distance from initial infection focus of disease variables and height in Mississippi 49 7. 34 2. Multiple family treatment plot of 64 longleaf pine seedlings for disease spread plots in Mississippi and Georgia 35 3.

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Mathematics and Statistics for Analyses in Epidemiology

Hau

Kranz

1990

Ecological Studies

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Analysis and Comparison of Fusiform Rust Disease Progress Curves for Five Slash Pine Familes

Cited by 5 publications

References 0 publications

Variation in Melampsoridium resistance among European white‐birch clones grown in different fertilization treatments

Variation in Melampsoridium resistance among European white‐birch clones grown in different fertilization treatments

Increase and spread of brown spot needle blight within single and multiple family plantings of open-pollinated longleaf pine

Mathematics and Statistics for Analyses in Epidemiology

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