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. 1972 Jun;10(2):177-182.
doi: 10.1007/BF00347989.

Extreme water stress and photosynthetic activity of the desert plant Artemisia herba-alba asso

L Kappen  1   2 , O L Lange  1   2 , E -D Schulze  1   2 , M Evenari  1   2   3 , U Buschbom  1   2
Affiliations

Extreme water stress and photosynthetic activity of the desert plant Artemisia herba-alba asso

L Kappen et al. Oecologia. 1972 Jun.

Abstract

During the dry season in the Negev desert (Israel) Artemisia herbaalba in its natural habitat has a very low water content. It shows values of negative hydrostatic pressure in the xylem down to -163 bars and an extreme of osmotic potential in the leaves of -92 bars. The diurnal water stress does not decrease strongly in the night. Under these conditions Artemisia is still photosynthetically active for a few hours of the day during the whole dry period.

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References

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