Mostrando 61 - 80 Resultados de 330 Para Buscar '"rhododendron"', tiempo de consulta: 0.65s Limitar resultados
  1. 61
    “…In recent years, petal blight disease caused by pathogens has become increasingly epidemic in Rhododendron. Breeding disease-resistant rhododendron is considered to be a more environmentally friendly strategy than is the use of chemical reagents. …”
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  2. 62
    “…Hybridization has been repeatedly put forward to explain the invasiveness of Rhododendron ponticum L. in the British Isles. The present study investigates the pattern of ecotypic differentiation and hybridization among native North American R. catawbiense and R. maximum, native R. ponticum from Georgia and Spain, and invasive R. ponticum from Ireland and aims to assess the contribution of hybridization for Rhododendron invasion in the British Isles. …”
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  3. 63
    “…The aim of this study was to investigate the genetic structure and phylogeographic history of the subalpine shrub Rhododendron ferrugineum across the Pyrenees and the links between the populations in the Pyrenees, the Alps and Jura Mountains. …”
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  4. 64
  5. 65
    “…There are more than one thousand Rhododendron species worldwide. The Rhododendron-Park Bremen grows plants representing approximately 600 of the known Rhododendron species, and thus enables research involving almost two thirds of all known Rhododendron species. …”
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  6. 66
    “…Wintering flower buds of cold hardy Rhododendron japonicum cooled slowly to subfreezing temperatures are known to undergo extraorgan freezing, whose mechanisms remain obscure. …”
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  7. 67
    “…Here we examine the possible impact of climate change on the Rhododendron ferrugineum (alpenrose) niche in Andorra (Pyrenees). …”
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  8. 68
    “…The results showed that EF1-α (elongation factor 1-alpha), 18S (18s ribosomal RNA), and RPL3 (ribosomal protein L3) were the most stable reference genes in developing rhododendron flowers and, thus, in all of the tested samples, while tublin (TUB) was the least stable. …”
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  9. 69
    “…Two new grayanoids, rhodomollin A (1) and rhodomollin B (2), possessing an unprecedented D-homo grayanane carbon skeleton, were isolated from the fruits of Rhododendron molle. The structures of 1 and 2 were fully characterized using a combination of spectroscopic analyses and X-ray crystallography. …”
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  10. 70
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  12. 72
    “…To gain a better understanding of cold acclimation in rhododendron and in woody perennials in general, we used the 2D-DIGE technique to analyze the rhododendron proteome during the seasonal development of freezing tolerance. …”
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  13. 73
    “…The screening of several Chinese medicinal plants for insecticidal principles showed that essential oil of Rhododendron anthopogonoides flowering aerial parts possessed significant toxicity against maize weevils, Sitophilus zeamais. …”
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  14. 74
    “…Rhododendron lapponicum L. is a familiar ornamental plant worldwide with important ornamental and economic value. …”
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  15. 75
    “…Twelve nuclear genes were used to investigate the species-level phylogeography of Rhododendron oldhamii, test the difference in the average GC content of coding sites and of third codon positions with that of surrounding non-coding regions, and test exon variants associated with environmental variables. …”
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  16. 76
    por Yang, Ying-Jie, Hu, Hong, Huang, Wei
    Publicado 2020
    “…In this study, we measured chlorophyll fluorescence and gas exchange in nine evergreen sclerophyllous Rhododendron species. g(m) was maintained stable across light intensities from 300 to 1500 μmol photons m(−2) s(−1) in all these species, indicating that g(m) did not respond to the change in illumination in them. …”
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  17. 77
    “…Rhododendron platypodum Diels (Ericaceae) is a Chinese endemic and endangered species with high ornamental value. …”
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  18. 78
  19. 79
    “…Here, we used morphological traits, ddRAD-seq and plastid DNA sequence data to investigate the structure of a Rhododendron hybrid zone and uncover the hybridization patterns among three sympatric and closely related species. …”
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  20. 80
    “…Rhododendron meddianum is a critically endangered species with important ornamental value and is also a plant species with extremely small populations. …”
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