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ניגודיות עדינהניגודיות גבוההמונוכרוםהדגשת קישוריםחסימת אנימציהפונט קריאסגוראיפוס הגדרות נגישותלהורדת מודול נגישות חינםניהול

קהילה:

אסיף מאגר המחקר החקלאי

The partitioning of resistances to gaseous diffusion in the leaf epidermis and the boundary layer

Year:

1968

Source of publication :

Annals of BotanyAuthors :

מורשת, שמואל

;

.

סטנהיל, ג'רלד

;

.

Volume :

32

Co-Authors:

Moreshet, S., The Volcani Institute of Agricultural Research, Rehovot, Israel.

Koller, D., The Hebrew University, Jerusalem, Israel.

Stanhill, G., The Volcani Institute of Agricultural Research, Rehovot, Israel.

Facilitators :

From page:

695

To page:

701

(

Total pages:

7

)

Link :

The partitioning of resistances to gaseous diffusion in the leaf epidermis and the boundary layerAbstract:

The partitioning of total leaf resistance to gaseous diffusion into the cuticular, stomatal, and boundary-layer components of the upper and lower leaf surfaces was studied. A general formula was developed, which showed that the mean stomatal or even mean epidermal resistances may not be obtained by simple subtraction of the boundary-layer component from the total, except in very specific cases. The formula was used to study the relationship between the mean stomatal resistance, r¯s, and the residual leaf resistance, rl (obtained by subtracting the boundary-layer from the total resistance), in leaves differing in their degree of anisolaterality (with respect to stomatal resistance), cuticular resistance, and total resistance, as affected by the relative magnitude of the boundary-layer component. Graphical presentation of the analyses permits evaluation of the difference between r¯s, and rl in a wide variety of cases. It was shown experimentally that when the stomatal component of each leaf surface is known, the total resistance calculated from these values according to the formula closely matches the measured value. © 1968 OXFORD UNIVERSITY PRESS.

Note:

Related Files :

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More details

DOI :

Article number:

0

Affiliations:

Database:

סקופוס

Publication Type:

מאמר

;

.

Language:

אנגלית

Editors' remarks:

ID:

31499

Last updated date:

02/03/2022 17:27

Creation date:

17/04/2018 01:03

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Scientific Publication

The partitioning of resistances to gaseous diffusion in the leaf epidermis and the boundary layer

32

Moreshet, S., The Volcani Institute of Agricultural Research, Rehovot, Israel.

Koller, D., The Hebrew University, Jerusalem, Israel.

Stanhill, G., The Volcani Institute of Agricultural Research, Rehovot, Israel.

The partitioning of resistances to gaseous diffusion in the leaf epidermis and the boundary layer

The partitioning of total leaf resistance to gaseous diffusion into the cuticular, stomatal, and boundary-layer components of the upper and lower leaf surfaces was studied. A general formula was developed, which showed that the mean stomatal or even mean epidermal resistances may not be obtained by simple subtraction of the boundary-layer component from the total, except in very specific cases. The formula was used to study the relationship between the mean stomatal resistance, r¯s, and the residual leaf resistance, rl (obtained by subtracting the boundary-layer from the total resistance), in leaves differing in their degree of anisolaterality (with respect to stomatal resistance), cuticular resistance, and total resistance, as affected by the relative magnitude of the boundary-layer component. Graphical presentation of the analyses permits evaluation of the difference between r¯s, and rl in a wide variety of cases. It was shown experimentally that when the stomatal component of each leaf surface is known, the total resistance calculated from these values according to the formula closely matches the measured value. © 1968 OXFORD UNIVERSITY PRESS.

Scientific Publication

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