Results 31 to 40 of about 41,001 (161)

An inexpensive alternative equipment for the plant material embedding in the paraffin under the vacuum

open access: yesBrazilian Archives of Biology and Technology, 2008
The present work describes an equipment constructed using inexpensive material for embedding the plant material in the paraffin under the vacuum, using an oven and a vacuum pump.
Carlos André Espolador Leitão   +1 more
doaj   +1 more source

Morphological, Anatomical, Physiological and Genetic Studies of Iris aphylla L. Wild Species Conservation in “Ex Situ” Conditions

open access: yesAgriculture
Wild Iris plants are usually found in spontaneous flora, but due to their ornamental characteristics, they can also be used for ornamental purposes, which means that it is very important to find the perfect conditions for plant growth.
Maria Apostol   +8 more
doaj   +1 more source

Plant Cell Anatomy [PDF]

open access: yesNature, 1969
Plant Anatomy Experiment and Interpretation. Part 1. Cells and Tissues. By Elizabeth G. Cutter. (Series of Student texts in Contemporary Biology.) Pp. vii + 168. (Arnold: London, April 1969.) 48s boards; 24s paper.
openaire   +1 more source

Potencial de utilização de Cyperus rotundus na descontaminação de áreas de descarte de resíduos industriais com elevados teores de metais Potential to use Cyperus rotundus in areas of industrial waste disposal

open access: yesPlanta Daninha, 2009
A fitorremediação é um processo promissor de descontaminação de solos em que a planta é utilizada como um mecanismo de alocação do agente contaminante e indesejável ao sistema tratado.
S.L. Jesus   +5 more
doaj   +1 more source

Adaptive leaf anatomical characteristics of Brachiaria ruziziensis genotypes (Poaceae) in different environments - doi: 10.4025/actascibiolsci.v35i4.18265

open access: yesActa Scientiarum: Biological Sciences, 2013
Studies on morphological plasticity are extremely important to plant breeding seeking to optimize genotype interactions with their environments. The present study evaluated 38 genotypes of Brachiaria ruziziensis cultivated during the rainy (October to ...
Fabíola Carvalho Santos   +5 more
doaj   +1 more source

Anatomia quantitativa da folha e do colmo de Brachiaria brizantha (Hochst. ex A. Rich.) Stapf e B. humidicola (Rendle) Schweick Quantitative anatomy of leaves and stems of Brachiaria brizantha (Hochst. ex A. Rich.) Stapf and B. humidicola (Rendle) Schweick

open access: yesRevista Brasileira de Zootecnia, 2004
As características da digestão das forragens podem ser mais bem compreendidas quando complementadas com estudos de anatomia dos tecidos de plantas forrageiras. Com o objetivo de agregar novas informações ao tema, determinou-se a área dos diversos tecidos
Cláudio José Freixeiro Alves de Brito   +2 more
doaj   +1 more source

Climate change–related water and salinity stress in olive trees: Anatomical traits and mitigation approaches

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca
The cultivar ‘Chemlali’ was subjected to both stresses, water salinity and water scarcity, applied at two levels: 6, 12 g l-1 and 50, 25% field capacity respectively.
Dhouha SAIDANA   +5 more
doaj   +1 more source

Organização estrutural da casca de Persea major Kopp (Lauraceae) Structural organization of Persea major Kopp bark (Lauraceae)

open access: yesActa Botânica Brasílica, 2009
O presente estudo foi desenvolvido com o objetivo de contribuir ao conhecimento da estrutura da casca de Persea major Kopp (Lauraceae), espécie nativa da América do Sul.
Leila Teresinha Maranho   +2 more
doaj   +1 more source

Anatomia foliar e caulinar de Chamaecrista trichopoda (Caesalpinioideae) e histoquímica do nectário extrafloral Foliar and stem anatomy of Chamaecrista trichopoda (Caesalpinioideae) and extrafloral nectary histochemistry

open access: yesPlanta Daninha, 2006
Nectários são comuns dentre as Leguminosae, estando freqüentemente localizados nas folhas. Objetivou-se caracterizar anatomicamente o caule, a folha e o nectário extrafloral de Chamaecrista trichopoda, bem como investigar a natureza química do secretado ...
D.M.T. Francino   +5 more
doaj   +1 more source

Secretory Tissues and Volatile Components of Disc Florets in Several Wild Helianthus L. Species

open access: yesPlants
Although flower pollinator interactions are known to be mediated by floral traits, not enough attention has been paid to the research of secretory tissues and volatile components of sunflower disc florets as potentially important parameters in breeding ...
Jelena Jocković   +10 more
doaj   +1 more source

Home - About - Disclaimer - Privacy