294 results on '"Solhaug, Knut Asbjørn"'
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2. Effects of artificial ultraviolet B radiation on the macrophyte Lemna minor : a conceptual study for toxicity pathway characterization
3. Photobiont-dependent humidity threshold for chlorolichen photosystem II activation
4. Comparative sensitivity to gamma radiation at the organismal, cell and DNA level in young plants of Norway spruce, Scots pine and Arabidopsis thaliana
5. Why chartreuse? The pigment vulpinic acid screens blue light in the lichen Letharia vulpina
6. Effect of Rhizome Fragmentation, Clover Competition, Shoot-Cutting Frequency, and Cutting Height on Quackgrass ( Elymus repens )
7. Wavelength dependent recovery of UV-mediated damage: Tying up the loose ends of optical based powdery mildew management
8. No evidence of a protective or cumulative negative effect of UV-B on growth inhibition induced by gamma radiation in Scots pine (Pinus sylvestris) seedlings
9. Elevated air humidity increases UV mediated leaf and DNA damage in pea (Pisum sativum) due to reduced flavonoid content and antioxidant power
10. Apparent electron transport rate – a non-invasive proxy of photosynthetic CO2 uptake in lichens
11. Changes in Pools of Depsidones and Melanins, and Their Function, during Growth and Acclimation under Contrasting Natural Light in the Lichen Lobaria pulmonaria
12. UV-Induction of Sun-Screening Pigments in Lichens
13. Daily light integral and day light quality: Potentials and pitfalls of nighttime UV treatments on cucumber powdery mildew
14. Fungal Melanins as a Sun Screen for Symbiotic Green Algae in the Lichen Lobaria pulmonaria
15. The Significance of Thallus Size for the Water Economy of the Cyanobacterial Old-Forest Lichen Degelia plumbea
16. Non-invasive monitoring of photosynthetic activity and water content in forest lichens by spectral reflectance data and RGB colors from photographs
17. Determination of UV action spectra affecting the infection process of Oidium neolycopersici, the cause of tomato powdery mildew
18. Ultraviolet B modulates gamma radiation-induced stress responses in Lemna minor at multiple levels of biological organisation
19. UV-B-induced Inhibition of Stem Elongation and Leaf Expansion in Pea Depends on Modulation of Gibberellin Metabolism and Intact Gibberellin Signalling
20. Ultraviolet radiation reduces lichen growth rates
21. Secondary Lichen Compounds as Protection Against Excess Solar Radiation and Herbivores
22. Melanisation in Boreal Lichens Is Accompanied by Variable Changes in Non-Photochemical Quenching
23. Sunscreening fungal pigments influence the vertical gradient of pendulous lichens in boreal forest canopies
24. Seasonal and spatial variation in carbon based secondary compounds in green algal and cyanobacterial members of the epiphytic lichen genus Lobaria
25. Prolonging the hydration and active metabolism from light periods into nights substantially enhances lichen growth
26. The globally threatened epiphytic cyanolichen Erioderma pedicellatum depends on a rare combination of habitat factors
27. Optimal defense: snails avoid reproductive parts of the lichen Lobaria scrobiculata due to internal defense allocation
28. Light screening in lichen cortices can be quantified by chlorophyll fluorescence techniques for both reflecting and absorbing pigments
29. Thermoperiodic growth control by gibberellin does not involve changes in photosynthetic or respiratory capacities in pea
30. Size-Dependent Growth of Two Old-Growth Associated Macrolichen Species
31. Curling during Desiccation Protects the Foliose Lichen Lobaria pulmonaria against Photoinhibition
32. Growth and Ecophysiological Acclimation of the Foliose Lichen Lobaria pulmonaria in Forests with Contrasting Light Climates
33. The Lichens Xanthoria Elegans and Cetraria islandica Maintain a High Protection against UV-B Radiation in Arctic Habitats
34. Short-term growth experiments – A tool for quantifying lichen fitness across different mineral settings
35. Long Day Stimulation of Dry Matter Production in Poa alpina along a Latitudinal Gradient in Norway
36. Different abscisic acid‐deficient mutants show unique morphological and hydraulic responses to high air humidity
37. Effect of Irradiance on Chlorophyll Estimation with the Minolta SPAD-502 Leaf Chlorophyll Meter
38. Unequal Allocation of Excitation Energy between Photosystem II and I Reduces Cyanolichen Photosynthesis in Blue Light
39. Forest Successional Stage Affects the Cortical Secondary Chemistry of Three Old Forest Lichens
40. UV triggers the synthesis of the widely distributed secondary lichen compound usnic acid
41. Photoprotection in lichens: adaptations of photobionts to high light
42. Secondary Lichen Compounds as Protection Against Excess Solar Radiation and Herbivores
43. Annual variation in photoacclimation and photoprotection of the photobiont in the foliose lichen Xanthoria parietina
44. Growth rates and thallus loss in hair lichens along small-scale Picea abies-canopy gradients
45. Functional Characterization of Pseudoidium neolycopersici Photolyase Reveals Mechanisms Behind the Efficacy of Nighttime UV on Powdery Mildew Suppression
46. Aspect-dependent high-irradiance damage in two transplanted foliose forest lichens, Lobaria pulmonaria and Parmelia sulcata
47. Improved photoprotection in melanized lichens is a result of fungal solar radiation screening rather than photobiont acclimation
48. Modes of action and adverse effects of gamma radiation in an aquatic macrophyte Lemna minor
49. Occurrence and possible roles of melanic pigments in lichenized ascomycetes
50. Forest edge-induced damage of cephalo- and cyanolichens in northern temperate rainforests of British Columbia
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