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Cronartium pini infects ca. 60 alternate host species among which Melampyrum sylvaticum is a susceptible and M. pratense a resistant species. Variation in rust resistance among these species may be connected to natural or induced leaf chemicals. In this study, we investigated the chemical variation of 11 compounds between two C. pini -resistant and -susceptible Melampyrum species in leaves of different age, temporally within g...
Phenolic compounds, known for their antioxidant and antifungal properties may be connected to infection processes of Cronartium rusts in alternate host plants. We studied changes in leaf chemistry after Cronartium inoculation on susceptible alternate hosts of C. pini and C. ribicola . Impatiens balsamina and Paeonia lactiflora were inoculated with C. pini , and R. nigrum with C. ribicola in the greenhouse. Leaves of the inocul...
Cronartium pini and C. ribicola are rust fungi that cause destructive diseases of pines ( Pinus spp.). These rusts spread via alternate hosts, among which Melampyrum spp., Veronica spp. and Impatiens spp. are important for C. pini and Ribes spp. for C. ribicola . Congeneric alternate hosts vary in their susceptibility to Cronartium rusts, but the reasons for this variation are not clear. To clarify whether internal, endophytic...
Variation of compounds in leaves of susceptible and resistant alternate hosts of Cronartium pini and C. ribicolaNARA Subscribed
Leaf compounds may contribute to plant defense against Cronartium rusts. Secondary compounds are either natural or induced in leaves. We studied the variation of compounds in leaves of six alternate hosts of Cronartium pini and two of C. ribicola that represented either susceptible or resistant species to these rusts. Extracts from the plant leaves were analyzed using LC-MSMS (liquid chromatography tandem mass spectrometry) an...
TRY plant trait database – enhanced coverage and open accessNARA Subscribed
Plant traits—the morphological, anatomical, physiological, biochemical and phenological characteristics of plants—determine how plants respond to environmental factors, affect other trophic levels, and influence ecosystem properties and their benefits and detriments to people. Plant trait data thus represent the basis for a vast area of research spanning from evolutionary biology, community and functional ecology, to biodivers...
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