Scientists studied what caused leaf shedding in a drought deciduous (=shedding leaves during the dry season) subtropical species. They quantified the quantum yield (=efficiency) of the PSII complex and the leaf hydraulic conductance (=efficiency of leaf water movement) in leaves of that species during the wet to dry transition Explain the results in the context of what could drive leaf shedding in this species? Figure 1. Changes in leaf hydraulic

Aquaculture Science
3rd Edition
ISBN:9781133558347
Author:Parker
Publisher:Parker
Chapter15: Recirculating Systems
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Scientists studied what caused leaf shedding in a drought deciduous (=shedding leaves during the dry season) subtropical species. They quantified the quantum yield (=efficiency) of the PSII complex and the leaf hydraulic conductance (=efficiency of leaf water movement) in leaves of that species during the wet to dry transition

Explain the results in the context of what could drive leaf shedding in this species?

Figure 1. Changes in leaf hydraulic conductance during the wet and dry season transition of a subtropical species

PSII quantum yield
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
2
4
6
8
10 12
14
16
Leaf hydraulic conductance (mmol m2 s¹ MPa™¹)
S
18
20
Transcribed Image Text:PSII quantum yield 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 2 4 6 8 10 12 14 16 Leaf hydraulic conductance (mmol m2 s¹ MPa™¹) S 18 20
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