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Plant Anatomy and Transport chapters 35 and 36 --focus on sap flow--. Sap Flow in Plants. basic root structure water flow through the cortex cells the endodermis as a border crossing water flow in the xylem the fate of water in the leaf —photosynthesis —transpiration

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Plant Anatomy and Transport chapters 35 and 36 --focus on sap flow--

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Plant anatomy and transport chapters 35 and 36 focus on sap flow l.jpg

Plant Anatomy and Transportchapters 35 and 36--focus on sap flow--


Slide2 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Figure 35 3 radish root hairs l.jpg

Figure 35.3 Radish root hairs


Figure 35 14 primary growth of a root l.jpg

Figure 35.14 Primary growth of a root


Slide5 l.jpg

epidermis

endodermis

cortex

vascular cylinder


Slide6 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Figure 36 11 ascent of water in a tree l.jpg

Figure 36.11 Ascent of water in a tree


Figure 36 6 compartments of plant cells and tissues and routes for lateral transport l.jpg

Figure 36.6 Compartments of plant cells and tissues and routes for lateral transport


Slide11 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Figure 36 7 lateral transport of minerals and water in roots l.jpg

Figure 36.7 Lateral transport of minerals and water in roots


Slide13 l.jpg

Apoplast and Symplast


Slide14 l.jpg

Crossing the endodermis boundary


Slide15 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Slide16 l.jpg

A cross section of a dicot root

(the purple is starch, the red is lignin)

cortex

epidermis

vascular cylinder


Figure 35 10 review of general plant cell structure l.jpg

Figure 35.10 Review of general plant cell structure


Figure 36 11 ascent of water in a tree18 l.jpg

Figure 36.11 Ascent of water in a tree


Figure 35 8 water conducting cells of xylem l.jpg

Figure 35.8 Water-conducting cells of xylem


Slide20 l.jpg

vessel elements

tracheids


Slide21 l.jpg

Tissue: Xylem

Cell Type: Tracheary Elements


Slide22 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Figure 36 11 ascent of water in a tree23 l.jpg

Figure 36.11 Ascent of water in a tree


Figure 10 2 focusing in on the location of photosynthesis in a plant l.jpg

Figure 10.2 Focusing in on the location of photosynthesis in a plant


Figure 10 9 location and structure of chlorophyll molecules in plants l.jpg

Figure 10.9 Location and structure of chlorophyll molecules in plants

Light energy

CO2 + H20  C6H1206 + O2


Slide27 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Figure 36 10 the generation of transpirational pull in a leaf l.jpg

Figure 36.10 The generation of transpirational pull in a leaf


Figure 36 14 the generation of transpirational pull in a leaf l.jpg

Figure 36.14 The generation of transpirational pull in a leaf


Figure 36 14 the generation of transpirational pull in a leaf30 l.jpg

Figure 36.14 The generation of transpirational pull in a leaf


Figure 36 11 ascent of water in a tree31 l.jpg

Figure 36.11 Ascent of water in a tree


Slide32 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Slide33 l.jpg

STEPS IN STOMATE OPENING

Sun comes up.

Photosynthesis depletes CO2, stimulating proton pump enzymes.

Proton pump enzyme turns on. H+ moved out of guard cells by active transport (ATP is used).

K+ diffuses into cells via K+ channel enzymes.

Water diffuses in to balance its concentration relative to K+

Guard cells swell and change shape.


Figure 36 2 a chemiosmotic model of solute transport in plant cells l.jpg

Figure 36.2 A chemiosmotic model of solute transport in plant cells


Figure 36 13a the mechanism of stomatal opening and closing l.jpg

Figure 36.13a The mechanism of stomatal opening and closing


Figure 36 13b the mechanism of stomatal opening and closing l.jpg

Figure 36.13b The mechanism of stomatal opening and closing


Slide37 l.jpg

STEPS IN STOMATE OPENING

Sun comes up.

Photosynthesis depletes CO2, stimulating proton pump enzymes.

Proton pump enzyme turns on. H+ moved out of guard cells by active transport.

K+ diffuses into cells via K+ channel enzymes.

Water diffuses in to balance its concentration relative to K+

Guard cells swell and change shape.


Slide38 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Slide39 l.jpg

Maple sap is collected from the xylem in wood before leaves appear.

Link to treemet


Slide40 l.jpg

The osmotic theory of sap flow invokes the involvement of living cells and sucrose to generate an osmotic pressure difference between fibers and vessels, which are proposed to be separated by an osmotic barrier.

The secondary cell wall is an effective osmotic barrier for large molecules


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