Results 21 to 30 of about 15,664 (190)

ORIGIN OF POLYSTELY IN DICOTYLEDONS [PDF]

open access: yesAnnals of Botany, 1891
n ...
openaire   +1 more source

Ultrasonic Measurements In Brazilian Hardwood

open access: yesMaterials Research, 2002
This paper reports on a study of the application of ultrasound waves in wood with the purpose of evaluating the latter's mechanical properties. The evaluation is based on the correlation between the speed of sound, modulus of elasticity and density.
Fabiana Goia R. de Oliveira   +2 more
doaj   +1 more source

Identification and evolutionary analysis of cotton DUR3 gene

open access: yesGuangxi Zhiwu, 2023
Plant DUR3 homologous protein is a high affinity urea transporter which belongs to the family of sodium/solute symporter family, and plays an important role in the active absorption of exogenous urea and redistribution of endogenous urea by plants.
Yuanyong GONG   +5 more
doaj   +1 more source

Phylogenetic analysis and expression profiles of jasmonate ZIM-domain gene family provide insight into abiotic stress resistance in sunflower

open access: yesFrontiers in Plant Science, 2022
Jasmonate ZIM-domain (JAZ) proteins act as inhibitory factors of the jasmonic acid (JA) pathway, which is involved in regulating plant development and defense responses.
Huifang Song   +8 more
doaj   +1 more source

Primeiro registro de madeira de annonaceae para o neógeno da América do Sul, Bacia do Amazonas, Brasil [PDF]

open access: yes, 2016
The relief of the regions of Manaus and Itacoatiara,Central Amazon, is supported by Neogene siliciclastic rocks, boundedat the base and top by lateritic paleosols and covered by quaternary sedimentarydeposits from the Solimões-Amazon river system.
Amaral Soares, Emilio Alberto   +5 more
core   +1 more source

Moderately inhibitory effects of N-dodecyloxymethylene-N-methylpiperidinium and N-dodecyloxymethylene-N-methylmorpholinium chlorides on seed germination

open access: yesActa Societatis Botanicorum Poloniae, 2014
N-Dodecyloxymethylene-N-methylpiperidinium chloride (DMMP) and N-dodecyloxyme-thylene-N-methylmorpholinium chloride (DMMM) retarded germination of seeds of 9 cultivated plant species when applied at a concentration of 10-3 M, and inhibited germination at
Stanisław J. Knypl   +1 more
doaj   +1 more source

Selection of Grids for Weed Mapping [PDF]

open access: yesPlanta Daninha, 2015
This study aimed to assess the degree of similarity presented by thematic maps generated by different sampling grids of weed plants in a commercial agricultural area of 7.95 hectares. Monocotyledons and dicotyledons were counted on the 2012/2013 and 2013/
R.F.M. Camicia   +5 more
doaj   +1 more source

The influence of cut Festuca rubra L. turf not removed from the lawn surface on the proportion of dicotyledons in the lawn

open access: yesActa Agrobotanica, 2012
The aim of the study was to assess how the proportion of dicotyledons in the lawn was influenced by aboveground biomass containing Festuca rubra, cv. ‘Areta’, ‘Nimba’, and ‘Olivia’, cut and left on the lawn surface.
Halina Lipińska, Magdalena Sykut
doaj   +1 more source

Statistics and the Evolution of Dicotyledons [PDF]

open access: yesEvolution, 1954
It has become increasingly clear, in the last few decades, that discussions of the course of evolution in groups of organisms which lack a comprehensive fossil record are futile so long as those who hold opposing views base their arguments on preeconceived ideas.
openaire   +1 more source

Carpology and phermatology of Gomortega (Gomortegaceae): Systematic and evolutionary implications [PDF]

open access: yes, 2001
Carpología y morfología de la cubierta de la semilla de Gomortega (Gomortegaceae): implicaciones sistemáticas y evolutivas. En un esfuerzo de clarificar la posición sistemática del género Gomortega, en el presente trabajo se estudia la morfología y ...
Doweld, Alexander B.
core   +4 more sources

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