نتایج جستجو برای: critical times of germination
تعداد نتایج: 21205785 فیلتر نتایج به سال:
Germination timing of Arabidopsis thaliana displays strong plasticity to geographic location and seasonal conditions experienced by seeds. We identified which plastic responses were adaptive using recombinant inbred lines in a field manipulation of geographic location (Kentucky, KY; Rhode Island, RI), maternal photoperiod (14-h and 10-h days), and season of dispersal (June and November). Transg...
Germination of Bacillus anthracis spores into the vegetative form is an essential step in anthrax pathogenicity. This process can be triggered in vitro by the common germinants inosine and alanine. Kinetic analysis of B. anthracis spore germination revealed synergy and a sequential mechanism between inosine and alanine binding to their cognate receptors. Because inosine is a critical germinant ...
Effectof exopolysaccharides (EPS) produced by a consortium of cyanobacteria on germination of three crops wheat, maize and rice was studied at different salt concentrations. Production of EPS was found to be stimulated by salts, which in turn had a significant Na+ removal capability from aqueous solution. Seed germination, vigor index and mobilization efficiency in all the three crops remarkabl...
Kent J. Bradford Department of Vegetable Crops, One Shields Avenue, University of California, Davis, CA 956168631, U.S.A. E-mail: [email protected] Knowledge and prediction of seasonal weed seedling emergence patterns is useful in weed management programs. Seed dormancy is a major factor influencing the timing of seedling emergence, and once dormancy is broken, environmental conditions det...
Abstract: The reduction in the time to perform tetrazolium test is critical decision making at pre and post-harvest of seeds. Thus, objective this study was investigate different concentrations salt solution, temperatures, staining times, reduce for assessing viability coriander seeds by test. divided into two experiments conducted independently but sequentially. were evaluated water content, g...
Cronartium quercuum f. sp. fusiforme is an obligate pathogen of pine and oak. Its basidiospores are specifically adapted to recognize and establish infections on the pine host. Depending on environmental cues, the basidiospores can germinate directly, which typically leads to infection of pine, or indirectly, which usually results in formation of secondary basidiospores. We investigated how cha...
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