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, 2008 ). Materials and Methods Screening for resistance to V. dahliae Plant material and plant production. A total of 120 accessions of Spinacia spp. from the U.S. Department of Agriculture–North Central Regional Plant Introduction Station (USDA

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of different daylength responses may represent divergent germplasm pools within the cultivated onion. Single nucleotide polymorphisms are robust, codominant genetic markers that commonly occur in the genomes of cultivated plants. In previous research

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at least 60 plant families, including Cucurbitaceae ( Bassett, 1981 ; Gerson, 1992 ; Goff, 1987 ). In particular, cucumbers are known to be highly susceptible to mite infestations ( Bassett, 1981 ; Grinberg et al., 2005 ). On cucurbits, the mites

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Introduction (PI) representing Citrullus lanatus var. lanatus ( CLL ) in this study. The geographic location in which each of the accessions was collected, total number of plants used from both tests (Winters 2013 and 2014), their mean symptom severity

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Plant introductions of Phaseolus vulgaris L. were grown from seed in a growth chamber and exposed to 0, at 0.6 μl·liter-1 for 2 hours. Plants were assessed for their response to O3 by evaluating percent leaf injury. Of the 410 introductions tested. 17 insensitive. 370 sensitive. and 23 highly sensitive plant introductions were identified.

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the plants during the selection and evaluation processes. Sego Supreme TM is a plant breeding and introduction program developed by Utah State University (USU) Botanical Center and the USU Center for Water-Efficient Landscaping with the intention of

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field screening experiments ( Gusmini et al., 2003 ). Available plant introduction accessions (total of 1274 accessions) from the USDA-ARS watermelon germplasm collection, along with 51 cultivars, were tested to identify new sources of resistance to GSB

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blight in the United States ( Baysal-Gurel and Liyanapathiranage 2017 ). Water splash provides the pathogen means for short distance pathogen dispersal. On the other hand, longer distance dispersal may be via the movement of contaminated plants and

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. vulgaris accessions, designated as plant introductions (PIs), from the USDA National Plant Germplasm System, publicly available inbred lines from the University of Wisconsin–Madison table beet breeding program, and commercial cultivars of both table beet

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. lanatus var. lanatus ) ( Levi et al., 2001b ), the map constructed using a wide cross [a watermelon cultivar ( C. lanatus var. lanatus ) and a U.S. Plant Introduction (PI) of the wild C. lanatus var. citroides ]. The map contains 360 DNA markers

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