Table 1. Average turgor loss point, stem hydraulic conductivity and plant water use efficiency for the two species. Trait Species A Species B Statistics Turgor loss point -2.5 MPa -1.1. MPa p <0.033 Hydraulic conductivity 0.11 Kg mm-1 MPa-1 s-1 0.33 Kg mm-1 MPa-1 s-1 p <0.005 Water use efficiency 80.6 µmol mol-1 47.1 µmol mol-1 p <0.004 Explain using data from Table 1 and Figure 2 the two different physiological strategies for these species against the environmental stressors expected from Figure 1. Figure 2.(attached) Pre-dawn and midday leaf water potential (Ψleaf) for the two species at different dates throughout the year.
Table 1. Average turgor loss point, stem hydraulic conductivity and plant water use efficiency for the two species. Trait Species A Species B Statistics Turgor loss point -2.5 MPa -1.1. MPa p <0.033 Hydraulic conductivity 0.11 Kg mm-1 MPa-1 s-1 0.33 Kg mm-1 MPa-1 s-1 p <0.005 Water use efficiency 80.6 µmol mol-1 47.1 µmol mol-1 p <0.004 Explain using data from Table 1 and Figure 2 the two different physiological strategies for these species against the environmental stressors expected from Figure 1. Figure 2.(attached) Pre-dawn and midday leaf water potential (Ψleaf) for the two species at different dates throughout the year.
Chapter13: Nerves Of Steel
Section: Chapter Questions
Problem 2FITB
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Table 1. Average turgor loss point, stem hydraulic conductivity and plant water use efficiency for the two species.
|
Trait |
Species A |
Species B |
Statistics |
|
Turgor loss point |
-2.5 MPa |
-1.1. MPa |
p <0.033 |
|
Hydraulic conductivity |
0.11 Kg mm-1 MPa-1 s-1 |
0.33 Kg mm-1 MPa-1 s-1 |
p <0.005 |
|
Water use efficiency |
80.6 µmol mol-1 |
47.1 µmol mol-1 |
p <0.004 |
Explain using data from Table 1 and Figure 2 the two different physiological strategies for these species against the environmental stressors expected from Figure 1.
Figure 2.(attached) Pre-dawn and midday leaf water potential (Ψleaf) for the two species at different dates throughout the year.
Transcribed Image Text:0
Pleaf (MPa)
-2
*
Pleaf (MPa)
-6
-8
0
-2
-4
-6
-8
Apr-07 Nov-07 Mar-14 Mar-15 Aug-15 Feb-16
וויווי
וידי
Pre-dawn
Midday
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