Výsledky vyhledávání - "Kurt J Leonard"

Virulence and Diversity of Wheat Leaf Rust in the United States in 1993 to 1995

Autor: Kurt J Leonard, J. J. Roberts, D. L. Long

Publikováno v: Plant disease. 82(12)

Isolates of Puccinia triticina were obtained from wheat leaf collections made by cooperators throughout the United States and from cereal rust field surveys of the Great Plains, Ohio Valley, and Gulf Coast states in 1993, 1994, and 1995. Sixty-two vi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47bfbdcd89c9b83af694955d69fdc4ad
https://pubmed.ncbi.nlm.nih.gov/30845476

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Evaluation of Components of Partial Resistance to Oat Crown Rust Using Digital Image Analysis

Autor: J. E. Díaz-Lago, Kurt J Leonard, D. D. Stuthman

Publikováno v: Plant disease. 87(6)

Digital image analysis is an objective and nondestructive method potentially capable of providing accurate and precise estimates of disease resistance components. This study was conducted to quantify components of partial resistance to crown rust thr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00d5cc982f1040fd18dc101046b53e29
https://pubmed.ncbi.nlm.nih.gov/30812858

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Prevalence and Distribution of Common Barberry, the Alternate Host of Puccinia graminis, in Minnesota

Autor: Kurt J Leonard, R. J. Laudon, Paul D. Peterson, J. D. Miller, Turner B. Sutton

Publikováno v: Plant disease. 89(2)

A federal and state program operated from 1918 until the 1980s to eradicate common barberry (Berberis vulgaris), the alternate host of Puccinia graminis, from the major areas of cereal production in the United States. Over 500 million bushes were des

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dd2270caf2b99caf8b2b406580dfcef
https://pubmed.ncbi.nlm.nih.gov/30795218

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Leaf Rust and Stem Rust Resistance in Triticum dicoccoides Populations in Israel

Autor: D. L. Long, J. Manisterski, Kurt J Leonard, Y. Anikster

Publikováno v: Plant disease. 89(1)

Anikster, Y., Manisterski, J., Long, D. L., and Leonard, K. J. 2005. Leaf rust and stem rust resistance in Triticum dicoccoides populations in Israel. Plant Dis. 89:55-62. A total of 742 single plant accessions of Triticum dicoccoides were collected

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79ee8d18f29999f4a0fa981a59375fa7
https://pubmed.ncbi.nlm.nih.gov/30795285

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Survival Dynamics of Aphanomyces cochlioides Oospores Exposed to Heat Stress

Autor: R. D Cook, Carol E. Windels, A. T. Dyer, Kurt J Leonard

Publikováno v: Phytopathology®. 97:484-491

To determine how exposure to heat effects their survival, oospores of Aphanomyces cochlioides isolate C22 were exposed in water to 35, 40, 45, or 50°C for prescribed times and then examined for viability. The Weibull model was modified to represent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0eb4ae7717cb605b84f9ca041e206ca1
https://doi.org/10.1094/phyto-97-4-0484

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Conceptual analysis of methods applied to assessment of diversity within and distance between populations with asexual or mixed mode of reproduction

Autor: Evsey Kosman, Kurt J Leonard

Publikováno v: New Phytologist. 174:683-696

Measures of diversity within populations, and distance between populations, are compared for organisms with an asexual or mixed mode of reproduction. Examples are drawn from studies of plant pathogenic fungi based on binary traits including presence/

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be0f941113397aa8409b74593ca2a615
https://doi.org/10.1111/j.1469-8137.2007.02031.x

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Effect of Barberry Eradication on Changes in Populations of Puccinia graminis in Minnesota

Autor: Turner B. Sutton, Paul D. Peterson, A. P. Roelfs, Kurt J Leonard

Publikováno v: Plant Disease. 89:935-940

Proportions of formae speciales of Puccinia graminis in collections of aeciospores from barberry were determined from cereal rust survey records from 1912 to 2002 in Minnesota. The frequency of P. graminis f. sp. avenae in aeciospore collections fluc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eab5a7065a1f5f59f284b44a9b4b063e
https://doi.org/10.1094/pd-89-0935

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Quantitative trait loci for partial resistance to crown rust, Puccinia coronata, in cultivated oat, Avena sativa L

Autor: G. E. Ochocki, H. W. Rines, D. D. Stuthman, V. A. Portyanko, G. Chen, Kurt J Leonard, Ronald L. Phillips

Publikováno v: Theoretical and Applied Genetics. 111:313-324

To facilitate the detection of quantitative trait loci (QTLs) for partial resistance to oat crown rust, Puccinia coronata f. sp. avenae Eriks., a genetic map was generated in a population of 158 F(6)-derived oat recombinant inbred lines from a cross

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::266159513cbd4f4a482a745a0148cae7
https://doi.org/10.1007/s00122-005-2024-6

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Resistance to Leaf Rust, Stripe Rust, and Stem Rust in Aegilops spp. in Israel

Autor: J. Manisterski, D. L. Long, Y. Anikster, Kurt J Leonard

Publikováno v: Plant Disease. 89:303-308

In all, 1,323 single plant accessions of Aegilops bicornis, A. kotschyi, A. longissima, A. ovata, A. searsii, A. sharonensis, A. speltoides, and A. variabilis collected from 18 regions in Israel and 2 adjacent regions in Lebanon and Egypt were evalua

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::857cb073c20da1e6448ce2ff874d7e28
https://doi.org/10.1094/pd-89-0303

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