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4 results for “Malus sieversii”
Herbarium specimen image of Malus sieversii M.Roem., part of the collection of Meise Botanic Garden
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.<br>- A lossless TIFF image from which the JPEG image has been derived.
Balancing the nutrient needs: Optimizing growth in Malus sieversii seedlings through tailored nitrogen and phosphorus effects
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Genotype by sequencing SNP dataset for Malus domestica x Malus sieversii F1 populations GMAL4591 and GMAL4592
<p>Fire blight, a bacterial disease caused by <em>Erwinia</em> <em>amylovora</em>, is the most devastating disease of apples and a major threat to apple production. Most commercial apple cultivars are susceptible to fire blight driving the need to develop fire blight resistant cultivars. Although several major fire blight resistance QTLs have been identified from wild species of <em>Malus</em>, the challenges of breeding apples due to long juvenile phase and heterozygosity greatly limit their use. <em>M. sieversii</em>, the primary progenitor of domesticated apples, is one of the wild <em>Malus</em> species that is sexually compatible with <em>M. domestica</em> and has some favorable fruit quality traits. In this study, we performed QTL analysis on two F1 apple populations of <em>M. domestica</em> cv. 'Royal Gala' × <em>M. sieversi</em>i (GMAL4591 and GMAL4592) to identify fire blight resistance QTL. Parental linkage maps were constructed for each family using marker sets of approximately 20K GBS-SNPs. Phenotype data was collected from parents and progeny through controlled fire blight inoculations in the greenhouse for two subsequent years. A significant (P < 0.0001) moderate-effect fire blight resistance QTL on linkage group 7 of GMAL4591 was identified from the paternal parent<em> M. sieversii</em> 'KAZ 95 17-14' (<em>Msv_FB7</em>). <em>Msv_FB7</em> explains about 48–53% of the phenotyping variance across multiple years and time points. Additionally, a significant (P < 0.001) minor effect QTL explaining 18% of the phenotypic variance was identified in population GMAL4592 on LG10 from 'Royal Gala'. We developed diagnostic SSR markers flanking the Msv_FB7 QTL to use in apple breeding. These findings have the potential to accelerate the development of fire-blight-resistant cultivars.</p>
Genotype by sequencing SNP dataset for Malus domestica x Malus sieversii F1 populations GMAL4591 and GMAL4592
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.