NDLI: Differences in abscisic acid concentration in roots and leaves of two young Olive (Olea europaea L.) cultivars in response to water deficit

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Differences in abscisic acid concentration in roots and leaves of two young Olive (Olea europaea L.) cultivars in response to water deficit

Content Provider	Springer Nature Link
Author	Guerfel, Mokhtar Beis, Alexandros Zotos, Tasos Boujnah, Dalenda Zarrouk, Mokhtar Patakas, Angelos
Copyright Year	2009
Abstract	Differences in abscisic acid (ABA) accumulation between two olive cultivars were studied by enzyme-linked immunosorbent assay in roots and leaves, leaf water potential (Ψ$_{l}$), stomatal conductance (g $_{s}$) as well as photosynthetic rate (A) were also determined in well-watered (WW) and water-stressed (WS) plants of two olive cultivars ‘Chemlali’ and ‘Chetoui’. ‘Chemlali’ was able to maintain higher leaf CO$_{2}$ assimilation rate and leaf stomatal conductance throughout the drought cycle when compared with ‘Chetoui’. Furthermore, leaf water potential of ‘Chemlali’ decreased in lower extent than in Chetoui in response to water deficit. Interestingly, significant differences in water-stress-induced ABA accumulation were observed between the two olive cultivars and reflect the degree of stress experienced. Chemlali, a drought tolerant cultivar, accumulated lower levels of ABA in their leaves to regulate stomatal control in response to water stress compared to the drought sensitive olive cultivar ‘Chetoui’ which accumulated ABA in large amount.
Starting Page	825
Ending Page	831
Page Count	7
File Format	PDF
ISSN	01375881
Journal	Acta Physiologiae Plantarum
Volume Number	31
Issue Number	4
e-ISSN	18611664
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-03-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Abscisic acid accumulation Drought Leaf water relations Olive tree Photosynthetic performances Agriculture Plant Anatomy/Development Plant Pathology Plant Biochemistry Plant Genetics & Genomics Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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