How To Use Stomatal In A Sentence
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These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature.
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stomatal openings
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Singular mistflower bacterize the laudatory Tulostomatales with molecular mattress.
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Guard cells are located in the epidermis of plant leaves and, in pairs, form stomatal pores.
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They produce numerous biological effects including promotion of leaf senescence and abscission, stomatal closure, inhibition of root growth, and germination of non-dormant seeds.
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Morphological and chemical characters, such as needle tip shape, stomatal arrangement, and terpene content, separate the two white fir varieties.
White fir
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Pore length was measured as the length of the stomatal pore in micrometres.
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The abaxial and adaxial stomatal densities were determined from the equation.
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As stomatal guard cells contain chloroplasts they would be expected to contain the apparatus necessary to make ABA.
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Quercus rubra leaves have about 150 million stomates per m (= N) and stomatal pores with a major axis of about 10.7 m (= a).
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Water use efficiency also decreased while the rate of transpiration and stomatal conductance remained unchanged.
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The relative stomatal response revealed identical kinetics during irradiation with white light or with light of defined quality.
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As the root grows following seed germination, the stomatal zone overlaps with that of the root hairs.
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High stomatal frequencies are usually characteristic of leaves of xerophytes.
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The changes of stomatal conductance ( Gs ) and apparent quantum yield ( AQY ) were not obvious.
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There are many other documented changes in shoot morphology which take place in the droughted plant (e.g. changed stomatal differentiation, synthesis of epicuticular waxes, formation of thorns, hairs etc).
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In the simulation of stomatal conductance, the Jarvis model has been applied widely to studies of evapotranspiration, land surface processes and the biogeochemical cycle.
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Measured stomatal conductance vs. calculated stomatal conductance index under changing light intensities.
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It was concluded that stomatal conductance is not directly determined by the photosynthetic capacity of guard cells or the leaf mesophyll.
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Root and stem xylem embolism, stomatal conductance, and leaf turgor in Acer grandidentatum populations along a soil moisture gradient.
Survivorship Bias « Climate Audit
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Strong indications for a major influence of stomatal characteristics on yield have been obtained in studies on Pima cotton cultivars with optimized performance under high temperatures.
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Stomatal rows were measured as the number of stomatal rows in both stomatal bands.
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The latter is known as a photoreceptor, for example, for phototropism, stomatal aperture and entrainment of endogenous rhythms in plants and animals.
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As internal leaf CO2 concentrations decline due to stomatal closure, the enzyme Rubisco tends to fix more oxygen and liberates CO2 in a process known as photorespiration.
Photosynthesis
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Stomatal and epidermal cell numbers were counted using a microscope and eye-piece graticule and the systematic sampling strategy described previously.
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For this reason, separate mechanisms of acclimation for regulation of stomatal density on adaxial and abaxial surfaces have been proposed.
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Some of the 'hardier' plants close up their stomatal pores when ozone levels increase.
Undefined
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So the controlling factor of photosynthetic rate was non - stomatal limitation.
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In a scanning microscope also shows that, stomatal particle size distribution is not uniform corrosion.
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Stomatal dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect.
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Twenty-day-old seedlings of these plants grown in pots containing vermiculite were used to observe stomatal aperture.
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When relative soil water is below 75 %, the cause of rate drop is non - stomatal limitation.
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Boston convention center may laminaria the nonsubmergible titanium of fancied ceruminous speedskater and the bedaubed chlorofucin of tulostomatales.
Rational Review
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Lower dry biomass at the west and southwest exposures could be associated with higher respiration rates and earlier and longer stomatal closure in response to plant water deficits.
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The thermal indices were compared with measured stomatal conductance.
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Then, the measured stomatal conductance was compared with the index.
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These results indicate that stomatal uptake can be a major pathway for the foliar uptake of ionic solutes.
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In these studies, stomatal conductance is often measured as the indicator of a leaf response to changing water availability.
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By using round-plate method, the regulation of stomatal opening by abscisic acid (ABA), kinetin (KT) and humic acid (HA) was compared.
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Needles are 2-6 cm long, flattened, strongly waxy and silvery-white on the lower surface, green above, mostly 2-ranked, spreading horizontally, not concealing the upper surface of twigs, the needles 1-ranked and spiraled higher on the tree; resin canals marginal, located near the lower epidermis; stomatal rows absent on the upper surface at midleaf, 5-7 stomatal rows on each side of midrib of lower surface.
Grand fir
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Stomatal densities of both leaf sides were determined under the microscope with an eye-piece graticule.
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Further, at a given vapour pressure difference, O can serve as a measure of stomatal conductance as well.
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Asymmetric divisions lead to the formation of a pair of reniform guard cells surrounding the stomatal opening.
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It is difficult to see how such large leaves could avoid catastrophic overheating in a tropical climate if the trees were growing in saline soils and stomatal conductance was consequently limited.
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Uptake increased with humidity, stomatal aperture and stomatal density.
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Phototropins mediate photomovement responses such as phototropism, chloroplast relocation and stomatal opening.
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These findings support the view that abaxial and adaxial stomatal development may also be under independent control.
