Results 101 to 110 of about 11,379 (229)
CYTOLOGIA, 1998 Karyotypes and meiotic chromosome pairing were studied in natural autotriploid and autotetraploid Tradescantia pallida. At both ploidy levels chromosomes appeared as metacentrics, being larger at the triploid than at the tetraploidy level (9.6-15.3 μm and 7.5-10.0 μm, respectively).T. pallida exhibits polymorphism with respect to number and position of
openaire +2 more sources
Distribution patterns, weed incursions and origins of terrestrial flora at the Capricorn-Bunker Islands, Great Barrier Reef, Australia [PDF]
, 2013 A checklist of vascular plants of the 15 Capricorn-Bunker Islands (CBI) (lat 23° 11’ to 24° 07’S; long 151° 43’ to 152° 43’E) compiled from 2007/08 surveys, recorded 131 vascular plant species including 44 (34%) native and 87 (66%) naturalized species ...
Batianoff, George N. +3 more
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Acta Scientiarum: Biological Sciences, 2008 A atmosfera urbana contém uma mistura de poluentes que inclui substâncias mutagênicas e carcinogênicas. Associação entre estas substâncias e problemas respiratório e cardiovascular, além do aumento de determinados tipos de cânceres, é estabelecida na ...
Sizenando José de Andrade Júnior +4 more
doaj
Ecological factors affecting the establishment of the biological control agent Gargaphia decoris Drake (Hemiptera: Tingidae) : a thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Plant Science at Massey University, Manawatu, New Zealand [PDF]
, 2017 The Brazilian lace bug (Gargaphia decoris Drake (Hemiptera:Tingidae)) was released in New Zealand in 2010 for the biological control of the invasive weed woolly nightshade (Solanum mauritianum Scopoli (Solanaceae)).
Falla, Cecilia María
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The Acid Ranges of Some Spring Flowering Herbs with Reference to Variations in Floral Color [PDF]
, 1931 It is of common knowledge, derived from even limited field observation, that color in the petals of many of our native flowers is quite variable. Where these variations seem constant, and are accompanied by other characters, taxonomists use color as one ...
Daubenmire, Rexford F.
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Brazilian Journal of BiologyThe present study evaluated the genotoxic effects of the atmospheric air on Tradescantia pallida var. purpurea in urban areas with different intensities of vehicular traffic and in riparian forest fragments in the Sinos River Basin (Rio Grande do Sul ...
M. B. B. Cassanego +3 more
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Designing Seed Mixes, 2015 [PDF]
, 2015 A well-planned seed mix is essential to reconstructing a diverse and stable plant community. Selecting species for any native planting involves knowing the physical characteristics of the site (soil type, hydrology, slope, aspect, and sunlight exposure ...
core
A Friend Unmasked: Notes on \u3ci\u3eChauliognathus Pensylvanicus\u3c/i\u3e (Coleoptera: Cantharidae) and the Nature of Natural History [PDF]
, 2018 Data from field observations from 1992 through 2006 and from museum specimens of adult Chauliognathus pensylvanicus (DeGeer) from Wisconsin are presented here, with information from the literature.
Williams, Andrew H
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Environmental Health, 2011 Background The Brazilian Amazon has suffered impacts from non-sustainable economic development, especially owing to the expansion of agricultural commodities into forest areas.
Artaxo Paulo +4 more
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Conhecimento Online, 2018 O potencial genotóxico dos elementos-traço cádmio (Cd) e chumbo (Pb) nas concentrações máximas permitidas no Brasil pelas Resoluções CONAMA nº 357/2005 (classificação de corpos d’água, água doce de classe I) e CONSEMA nº 355/2017 (emissão de efluentes ...
Marcos Takeshi Miyabe, Annette Droste
doaj +1 more source