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  1. Book ; Online ; E-Book: Cucurbits

    Wehner, Todd C. / Naegele, Rachel P. / Myers, James R. / Dhillon, Narinder P. S. / Crosby, Kevin

    (Crop production science in horticulture ; 32)

    2020  

    Author's details Todd C. Wehner, Rachel P. Naegele, James R. Myers, Narinder P.S. Dhillon, Kevin Crosby
    Series title Crop production science in horticulture ; 32
    Collection
    Language English
    Size 1 Online-Ressource (x, 262 Seiten)
    Edition 2nd edition
    Publisher CABI
    Publishing place Wallingford ; Boston, MA
    Publishing country Great Britain
    Document type Book ; Online ; E-Book
    Remark Zugriff für angemeldete ZB MED-Nutzerinnen und -Nutzer
    HBZ-ID HT020611577
    ISBN 978-1-78639-292-3 ; 978-1-78639-293-0 ; 9781786392916 ; 1-78639-292-5 ; 1-78639-293-3 ; 1786392917
    DOI 10.1079/9781786392916.0000
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article: Cosmetic Stay-green Trait in Snap Bean and the Event Cascade That Reduces Seed Germination and Emergence

    Cirak, Melike / Myers, James R.

    Journal of the American Society for Horticultural Science. 2021 Sept., v. 146, no. 5

    2021  

    Abstract: The persistent color (pc) trait in snap bean (Phaseolus vulgaris L.) is a member of the stay-green gene family and falls into the cosmetic subclass. Cosmetic stay-green variants remain green but lose photosynthetic competence during senescence. It is an ... ...

    Abstract The persistent color (pc) trait in snap bean (Phaseolus vulgaris L.) is a member of the stay-green gene family and falls into the cosmetic subclass. Cosmetic stay-green variants remain green but lose photosynthetic competence during senescence. It is an economically useful trait in snap bean as a result of its effects on pod quality. The trait produces a dark-green, uniform appearance of fresh pods, but has other pleiotropic effects, including a light-green seed color, bleached-white cotyledons on emergence, and foliage and pods that remain green even while senescing. One additional pleiotropic effect is reduced field germination and emergence compared with white- and colored-seeded genotypes. Nevertheless, with the aid of seed-applied fungicides, pc types occupy ≈40% of commercial snap bean acreage in the United States. This research project was aimed at understanding why and how germination and emergence is affected in pc beans. The effect is thought to be related to soil-borne pathogens because fungicide treatment of pc seeds increases germination and emergence rates to levels comparable to treated white- and colored-seeded genotypes. For our experiments, we increased seeds of 45 experimental lines and commercial cultivars (25 of which were pc) under uniform growing conditions. Initial experiments documented that, in the laboratory, all seeds analyzed in a tetrazolium test had high viability. Furthermore, untreated seeds of pc and non-pc types germinated in the laboratory showed no difference in germinability, whereas in the field, germination of pc types was reduced significantly. In addition, pc types showed substantially greater infection rates of seeds and seedlings, with the main pathogen being Fusarium oxysporum Schl. f. sp. phaseoli Kendrick & Snyder. Water uptake by green pc seeds was significantly more rapid than white and colored seeds. Measurements of electrical conductivity revealed that pc types had greater solute leakage than other seed types. When seed anatomic structure was examined, pc types had a significantly thinner testa, especially the osteosclereid layer. The reduction in germination and emergence appears to begin with a thinner, more fragile testa showing increased cracking that may happen during seed harvest and conditioning (but certainly does happen during imbibition), allowing more rapid water uptake during germination that leads to testa rupture. Increased and rapid solute diffusion into the surrounding spermosphere stimulates and attracts pathogens to colonize the seeds before seedlings can become established. Seed handling and conditioning processes before planting could be modified to improve field emergence and stand establishment. Selection for thicker testa may also mitigate some of the damage observed during germination of pc cultivars.
    Keywords Fusarium oxysporum ; Phaseolus vulgaris ; acreage ; color ; cultivars ; electrical conductivity ; fungicide application ; genes ; green beans ; horticulture ; imbibition ; leaves ; pathogens ; photosynthesis ; pleiotropy ; research projects ; seed color ; seed germination ; solutes ; stand establishment ; testa ; tetrazolium ; viability ; water uptake
    Language English
    Dates of publication 2021-09
    Size p. 329-338.
    Publishing place American Society for Horticultural Science
    Document type Article
    ZDB-ID 2040057-3
    ISSN 2327-9788
    ISSN 2327-9788
    DOI 10.21273/JASHS05038-20
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Iconography of Beans and Related Legumes Following the Columbian Exchange.

    Myers, James R / Formiga, Alice K / Janick, Jules

    Frontiers in plant science

    2022  Volume 13, Page(s) 851029

    Abstract: Common bean ( ...

    Abstract Common bean (
    Language English
    Publishing date 2022-03-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2613694-6
    ISSN 1664-462X
    ISSN 1664-462X
    DOI 10.3389/fpls.2022.851029
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Associated SNPs, Heritabilities, Trait Correlations, and Genomic Breeding Values for Resistance in Snap Beans (

    Huster, Abigail R / Wallace, Lyle T / Myers, James R

    Frontiers in plant science

    2021  Volume 12, Page(s) 697615

    Abstract: Root rot is a major constraint to snap bean ( ...

    Abstract Root rot is a major constraint to snap bean (
    Language English
    Publishing date 2021-09-28
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2613694-6
    ISSN 1664-462X
    ISSN 1664-462X
    DOI 10.3389/fpls.2021.697615
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Influence of organic plant breeding on the rhizosphere microbiome of common bean (

    Park, Hayley E / Nebert, Lucas / King, Ryan M / Busby, Posy / Myers, James R

    Frontiers in plant science

    2023  Volume 14, Page(s) 1251919

    Abstract: Introduction: We now recognize that plant genotype affects the assembly of its microbiome, which in turn, affects essential plant functions. The production system for crop plants also influences the microbiome composition, and as a result, we would ... ...

    Abstract Introduction: We now recognize that plant genotype affects the assembly of its microbiome, which in turn, affects essential plant functions. The production system for crop plants also influences the microbiome composition, and as a result, we would expect to find differences between conventional and organic production systems. Plant genotypes selected in an organic regime may host different microbiome assemblages than those selected in conventional environments. We aimed to address these questions using recombinant inbred populations of snap bean that differed in breeding history.
    Methods: Rhizosphere microbiomes of conventional and organic common beans (
    Results: Bacterial communities significantly varied between organic and conventional breeding histories, while fungal communities varied between breeding histories and parentage. Within the organically-bred populations, a higher abundance of a plant-growth-promoting bacteria,
    Discussion: The results confirm that the breeding environment of crops can significantly alter the microbiome community composition of progeny. Characterizing changes in microbiome communities and the plant genes instrumental to these changes will provide essential information about how future breeding efforts may pursue microbiome manipulation.
    Language English
    Publishing date 2023-10-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2613694-6
    ISSN 1664-462X
    ISSN 1664-462X
    DOI 10.3389/fpls.2023.1251919
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Genome-Wide Association Study to Identify Possible Candidate Genes of Snap Bean Leaf and Pod Color.

    Celebioglu, Burcu / Hart, John P / Porch, Timothy / Griffiths, Phillip / Myers, James R

    Genes

    2023  Volume 14, Issue 12

    Abstract: Color can be an indicator of plant health, quality, and productivity, and is useful to researchers to understand plant nutritional content in their studies. Color may be related to chlorophyll content and photosynthetic activity and provides information ... ...

    Abstract Color can be an indicator of plant health, quality, and productivity, and is useful to researchers to understand plant nutritional content in their studies. Color may be related to chlorophyll content and photosynthetic activity and provides information for those studying diseases and mineral nutrition because every nutrient deficiency and many diseases produce symptoms that affect color. In order to identify significant loci related to both leaf and pod color in a snap bean (
    MeSH term(s) United States ; Genome-Wide Association Study ; Anthocyanins ; Bayes Theorem ; Phaseolus/genetics ; Plant Leaves/genetics
    Chemical Substances Anthocyanins
    Language English
    Publishing date 2023-12-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527218-4
    ISSN 2073-4425 ; 2073-4425
    ISSN (online) 2073-4425
    ISSN 2073-4425
    DOI 10.3390/genes14122234
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Genome-Wide Association Study (GWAS) of White Mold Resistance in Snap Bean.

    Arkwazee, Haidar A / Wallace, Lyle T / Hart, John P / Griffiths, Phillip D / Myers, James R

    Genes

    2022  Volume 13, Issue 12

    Abstract: White mold can result in snap bean yield losses of 90 to 100% when field conditions favor the pathogen. A genome-wide association study (GWAS) was conducted to detect loci significantly associated with white mold resistance in a panel of snap bean ( ...

    Abstract White mold can result in snap bean yield losses of 90 to 100% when field conditions favor the pathogen. A genome-wide association study (GWAS) was conducted to detect loci significantly associated with white mold resistance in a panel of snap bean (
    Language English
    Publishing date 2022-12-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527218-4
    ISSN 2073-4425 ; 2073-4425
    ISSN (online) 2073-4425
    ISSN 2073-4425
    DOI 10.3390/genes13122297
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Genome-Wide Association Study (GWAS) of White Mold Resistance in Snap Bean

    Arkwazee, Haidar A. / Wallace, Lyle T. / Hart, John P. / Griffiths, Phillip D. / Myers, James R.

    Genes (Basel). 2022 Dec. 06, v. 13, no. 12

    2022  

    Abstract: White mold can result in snap bean yield losses of 90 to 100% when field conditions favor the pathogen. A genome-wide association study (GWAS) was conducted to detect loci significantly associated with white mold resistance in a panel of snap bean ( ... ...

    Abstract White mold can result in snap bean yield losses of 90 to 100% when field conditions favor the pathogen. A genome-wide association study (GWAS) was conducted to detect loci significantly associated with white mold resistance in a panel of snap bean (Phaseolus vulgaris L.) cultivars. Two populations of snap bean were used in this study. The first population was the BeanCAP (Coordinated Agriculture Project) Snap Bean Diversity Panel (SBDP) (n = 136), and the second population was the Snap Bean Association Panel (SnAP) (n = 378). SBDP was evaluated for white mold reaction in the field in 2012 and 2013, and SnAP was screened in a greenhouse only using the seedling straw test in 2016. Two reference genomes representing the Andean and Middle American centers of domestication were utilized to align the genotyping-by-sequencing (GBS) data. A GWAS was performed using FarmCPU with one principal component after comparing five models. Thirty-four single-nucleotide polymorphisms (SNPs) significantly associated with white mold resistance were detected. Eleven significant SNPs were identified by the seedling straw test, and 23 significant SNPs were identified by field data. Fifteen SNPs were identified within a 100 kb window containing pentatricopeptide repeat (PPR)-encoding genes, and eleven were close to leucine-rich repeat (LRR)-encoding genes, suggesting that these two classes are of outsized importance for snap bean resistance to white mold.
    Keywords Phaseolus vulgaris ; cultivars ; domestication ; genome ; genome-wide association study ; genotyping by sequencing ; green beans ; greenhouses ; pathogens ; seedlings ; straw ; Andes region
    Language English
    Dates of publication 2022-1206
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2527218-4
    ISSN 2073-4425
    ISSN 2073-4425
    DOI 10.3390/genes13122297
    Database NAL-Catalogue (AGRICOLA)

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  9. Article: Tomato Domestication Attenuated Responsiveness to a Beneficial Soil Microbe for Plant Growth Promotion and Induction of Systemic Resistance to Foliar Pathogens.

    Jaiswal, Amit K / Mengiste, Tesfaye D / Myers, James R / Egel, Daniel S / Hoagland, Lori A

    Frontiers in microbiology

    2020  Volume 11, Page(s) 604566

    Abstract: Crop domestication events followed by targeted breeding practices have been pivotal for improvement of desirable traits and to adapt cultivars to local environments. Domestication also resulted in a strong reduction in genetic diversity among modern ... ...

    Abstract Crop domestication events followed by targeted breeding practices have been pivotal for improvement of desirable traits and to adapt cultivars to local environments. Domestication also resulted in a strong reduction in genetic diversity among modern cultivars compared to their wild relatives, though the effect this could have on tripartite relationships between plants, belowground beneficial microbes and aboveground pathogens remains undetermined. We quantified plant growth performance, basal resistance and induced systemic resistance (ISR) by
    Language English
    Publishing date 2020-12-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2020.604566
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Genetic Diversity within Snap Beans and Their Relation to Dry Beans.

    Wallace, Lyle / Arkwazee, Haidar / Vining, Kelly / Myers, James R

    Genes

    2018  Volume 9, Issue 12

    Abstract: Two hundred forty-six snap bean genotypes and 49 dry beans representing both centers of domestication and six bean races with materials from Europe, Asia, and the Americas were genotyped using a single nucleotide polymorphism (SNP) array. The data was ... ...

    Abstract Two hundred forty-six snap bean genotypes and 49 dry beans representing both centers of domestication and six bean races with materials from Europe, Asia, and the Americas were genotyped using a single nucleotide polymorphism (SNP) array. The data was analyzed for expected heterozygosity, K-means clustering, principal components, phylogenetic relationships, and population substructure. When all gene pools of snap bean were assembled, the expected heterozygosity was roughly equivalent to a carefully chosen panel of dry beans representing all bean races and centers of domestication demonstrating the genetic richness of snap materials in total. K-means clustering and
    Language English
    Publishing date 2018-11-28
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527218-4
    ISSN 2073-4425
    ISSN 2073-4425
    DOI 10.3390/genes9120587
    Database MEDical Literature Analysis and Retrieval System OnLINE

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