The response of citrus plants to manganese

Abstract

Seven experiments were carried out in order to study the effect of manganese (Mn) on various physiological, anatomical and agronomical parameters of citrus plants. The concentrations of Mn and proline in shoots and roots as well as the total Mn uptake per plant were correlated positively with Mn concentration in the growth medium. However, when shoot tips of C. maxima (shaddock) were growing in vitro, the correlation coefficient between the Mn concentration in the growth medium and the number of roots that were formed per explant was negative. Contrary to the intermediate Mn treatments, Mn deficiency resulted in: a) a decrease of the electron transport rate (ETR) in photosystem II (PSII), b) an increase of the plants’ sensitivity to the photoinhibition of their photosynthesis, c) a diminution of the actual photochemical quantum of PSII (ΦPSII), d) a reduction of the leaf chlorophyll concentration, e) a decrease of the chloroplast size as well as their number per cell area, f) swelling ...
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DOI
10.12681/eadd/15203
Handle URL
http://hdl.handle.net/10442/hedi/15203
ND
15203
Alternative title
Συμπεριφορά των εσπεριδοειδών στο μαγγάνιο
Author
Papadakis, Ioannis (Father's name: Emmanouil)
Date
2004
Degree Grantor
Aristotle University Of Thessaloniki (AUTH)
Committee members
Θεριός Ιωάννης
Δημάση Κορτέσσα
Μποζαμπαλίδης Αρτέμιος
Γκατζιάνας Αθανάσιος
Μπαρμπαγιάννης Νικόλαος
Νοϊτσάκης Βασίλειος
Discipline
Agricultural and Veterinary Sciences
Agriculture, Forestry and Fisheries
Keywords
Manganese; Citrus; Fertilization; Physiology; Anatomy; Chloroplast; Rootstocks; Absorption
Country
Greece
Language
Greek
Description
252 σ., im.
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