Results 51 to 60 of about 26,701 (206)

River inflow and salinity changes in the Caspian Sea during the last 5500 years [PDF]

, 2007
Pollen, spores and dinoflagellate cysts have been analysed on three sediment cores (1.8–1.4 m-long) taken from the south and middle basins of the Caspian Sea.
Arpe, K, Chalié, F, Gibert, E, Leroy, SAG, Marret, F, Reyss, JL   +5 more
core   +3 more sources

Growth response to ozone of annual species from Mediterranean pastures [PDF]

, 2004
Ozone (O3) phytotoxicity has been reported on a wide range of plant species. However, scarce information has been provided regarding the sensitivity of semi-natural grassland species, especially those from dehesa Mediterranean grasslands, in spite of ...
Aers, Alonso, Ashmore, Ashmore, Ashmore, Azcárate, B.S. Gimeno, Balls, Barbo, Bergmann, Bermejo, Bungener, Cooley, D. de la Torre, Davison, El-Khatib, Franzaring, Fuhrer, Fuhrer, Gimeno, Gimeno, Grime, Hunt, J. Sanz, Karlsson, Madkour, Milliken, Nebel, Nussbaum, Palacios, Pineda, Plaza, Pleijel, Reiling, S. Elvira, San Miguel, Selldén, V. Bermejo, Warwick   +38 more
core   +2 more sources

Muhlenbergia cleefi sp. nov., a new grass from the high andes of Colombia

Caldasia, 1995
A new species of Muhlenbergia (Gramineae) is described.Se describe una nueva especie del género Muhlenbergia (Gramineae).
Laergaard Simon
doaj  

Validação de Sorghastrum albescens (Hackel) Flores (Gramineae, Andropogoneae) Validation of the name Sorghastrum albescens (Hackel) Flores (Gramineae, Andropogoneae)

Acta Botânica Brasílica, 1989
Na revisão do gênero Sorghastrum para o Rio Grande do Sul, a espécie S. nutans (L.) Nash foi excluída, por não ter sido encontrada no Estado. Por apresentar características bem distintas de S. nutans, é proposta a elevação de S.
Ana Izaura Pereira Flores
doaj   +1 more source

Investigations on the ecology and production-biology of the "floating meadows" (Paspalo-Echinochloetum) on the Middle Amazon. Part 1: The floating vegetation and its ecology

, 1970
Investigations on the "floating meadows" (Paspalo-Echinochloetum) of the vârzea- region of central Amazonia in the surroundings of Manaus were made from May 1967 until October 1968.
Junk, W.
core  

Atmospheric pollen dynamics in Malaga (s. Spain) during 2013-2014. Seasonal trends [PDF]

, 2015
In this work we present the atmospheric pollen results obtained in Malaga, a coastal Mediterranean city situated in southern Spain, throughout 2013 and 2014.
Cabezudo, Baltasar, Gharbi, Dorra, Lozano-Torelli, Inmaculada, Picornell Rodríguez, Antonio, Recio-Criado, Maria Marta, Ruiz, Salvador, Trigo-Perez, Maria del Mar   +6 more
core  

Endosperm sterol phenotype and germination in wheat [PDF]

, 1976
Free and conjugated sterols of endosperm, coats, scutellum, coleoptile and roots have been analysed at different germination stages in two wheat cultivars with different endosperm sterol phenotypes.
Carbonero Zalduegui, Pilar, García Olmedo, Francisco, Torres, V.   +2 more
core   +2 more sources

Tillering Response of \u27Monon\u27 And \u27Newton\u27 Winter Wheats Infested With Biotype L Hessian Fly (Diptera: Cecidomyiidae) Larvae [PDF]

, 2017
Two wheat, Triticum aestivum, cultivars that differed in their ability to tiller were infested by ovipositing Hessian flies, Mayetiola destructor, under similar controlled conditions.
Hoxie, Robert P, Wellso, Stanley G
core   +2 more sources

Distribution of sex forms in the phanerogamic flora [PDF]

, 2007
In the plant kingdom, particularly in the phanerogamic flora, hermaphroditism is by far the most common, yet the number of other sex forms is not negligible.
Yampolsky, Cecil, Yampolsky, Helene
core  

Some aspects of the phenology of rice-field weeds

Acta Societatis Botanicorum Poloniae, 2015
On the basis of their life-span, rice-field weeds may be classified as annuals and perennials; the latter forms a low percentage (24.7) and the former a high one (75.3). The largest number of perennials, however, are contributed by the Gramineae.
S. C. Datta, A. K. Banerjee
doaj   +1 more source