Early Nodule Development in Myrica gale
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منابع مشابه
Consequences of Sporangial Development for Nodule Function in Root Nodules of Comptonia peregrina and Myrica gale.
Frankia sp., the actinomycetous endophyte in nitrogen-fixing actinorhizal nodules, may differentiate two forms from its hyphae: vesicles and sporangia. In root nodules of Comptonia peregrina (L.) Coult. and Myrica gale L., sporangia may be either absent or present. Nitrogenase activity and symbiotic efficiency were contrasted in spore(+) and spore(-) nodules of these two host genera. Seedlings ...
متن کاملGrowth, nodule morphology, and nitrogenase activity of Myrica gale with roots grown at various oxygen levels
SILVESTER, W. B., WHITBECK, J . , SILVESTER, J. K., and TORREY, J. G. 1988. Growth, nodule morphology, and nitrogenase activity of Myrica gale with roots grown at various oxygen levels. Can. J . Bot. 66: 17621771. Myrica gale L. plants were inoculated with Frankia strain HFP M'gI5 and grown for 28 days with root systems exposed to 2, 5, 10, 21, and 40 kPa 0,. Plant growth was similar under all ...
متن کاملNatural diversity of Frankia strains in actinorhizal root nodules from promiscuous hosts in the family Myricaceae.
Actinorhizal plants invade nitrogen-poor soils because of their ability to form root nodule symbioses with N(2)-fixing actinomycetes known as Frankia. Frankia strains are difficult to isolate, so the diversity of strains inhabiting nodules in nature is not known. To address this problem, we have used the variability in bacterial 16S rRNA gene sequences amplified from root nodules as a means to ...
متن کاملPrimary productivity and nitrogen, carbon, and biomass distribution in a dense Myrica gale stand
SCHWINTZER, C. R. 1983. Primary productivity and nitrogen, carbon, and biomass distribution in a dense My)-ica gale stand. Can. J. Bot. 61: 2943-2948. Aboveground vascular vegetation was harvested in twenty 0.25-m' plots at the end of the growing season in a weakly minerotrophic, central Massachusetts peatland. The materials were separated by species and component and the Myrica gale fractions ...
متن کاملAn allelochemical from Myrica gale with strong phytotoxic activity against highly invasive Fallopia x bohemica taxa.
We report the identification of the allelochemical 3-(1-oxo-3-phenylpropyl)-1,1,5-trimethylcyclo-hexane-2,4,6-trione, known as myrigalone A, from the fruits and leaves of Myrica gale. The structure of the compound was confirmed by high-resolution techniques (UV, MS and NMR analysis). The compound is phytotoxic towards classical plant species used for allelochemical assays and also against Fallo...
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تاریخ انتشار 2008