Sentences with phrase «stomata at»

Some plants may close their stomata at night.

«The EPF2 peptide acts like a morphogen which alters stem cell character in the epidermis of growing leaves and blocks the formation of stomata at elevated CO2,» explains Engineer.

Not exact matches

Even with the closure of their stomata, plants still lose water when it's hot, and hydraulic failure — a lack of water a tree needs to survive — poses at least as much a threat as carbon starvation.

He and Abordo, a mathematics major at the time, jumped at the chance to study how plants adjust their stomata in response to different atmospheric conditions.

As a plant breathes, the stomata open to release water as vapor, so plants with fewer stomata should be better at retaining water.

New work from the lab of Dominique Bergmann, honorary adjunct staff member at Carnegie's Department of Plant Biology and professor at Stanford University, reveals ways that the systems regulating the development of stomata in grasses could be harnessed to improve plant efficiency and agricultural yield.

Because the stomata (pores on the leaves) of many plants will close at night, water will attempt to squeeze out at the edges and tips of leaves.

Because stomata of the plant usually close at night, water can squeeze out at the edges and tips of leaves, gathering in droplets.

Granted the back - ground level is similar to that at Mauna Loa, but the point is, the ice - core data appears to suffer from the same problem as Stomata and is affected by local circumstances considerably too.

As far as I remember from past discussions, part of the discrimination is at the air - water border in the stomata, similar for C3 and C4 plants.

During the period 11,250 - 10,600 years BP, stomata data are average 330 ppmv, ice core data at 265 ppmv.

Stomata are a direct reflection of CO2 in the air at the time of their growth in the region of highest CO2 namely near the ground and where it is warm enough for plant life.

The red points is what is measured at one point on earth, somewhere in the 5 % highly variable atmosphere, influenced by the direct neighborhood and what happened in the main wind direction of the measurement (or tree (s) in the case of stomata data) The blue line is what is measured in 95 % of the atmosphere + / - 8 pmv (seasonal), + / - 2 ppmv (yearly averages).

But the record of fossil plant stomata refutes the ice - core record, at least over the last 13,000 years.

Ferdinand, I've looked at the stomata references you cited.