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T1  - Gradients and dynamics of inner bark and needle osmotic potentials in Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies L. Karst) 
SN  -  /  
UR  - http://hdl.handle.net/10138/312013 
T3  -  
A1  - Paljakka, Teemu; Jyske, Tuula; Lintunen, Anna; Aaltonen, Heidi; Nikinmaa, Eero; Hölttä, Teemu 
A2  -  
PB  -  
Y1  - 2017 
LA  - eng 
AB  - Preconditions of phloem transport in conifers are relatively unknown. We studied the variation of needle and inner bark axial osmotic gradients and xylem water potential in Scots pine and Norway spruce by measuring needle and inner bark osmolality in saplings and mature trees over several periods within a growing season. The needle and inner bark osmolality was strongly related to xylem water potential in all studied trees. Sugar concentrations were measured in Scots pine, and they had similar d... 
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KW  - conifer; osmolality; phloem transport; turgor pressure; xylem water potential; STEM DIAMETER VARIATIONS; PHLOEM LOADING STRATEGIES; TREE WATER RELATIONS; LEAF GAS-EXCHANGE; TURGOR PRESSURE; HYDRAULIC CONDUCTANCE; HYDROSTATIC-PRESSURE; CARBON TRANSPORT; MUNCH HYPOTHESIS; STOMATAL CONTROL; 4112 Forestry 
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