http://www.cnr.it/ontology/cnr/individuo/prodotto/ID218653
Stomatal functioning in relation to leaf age in in vitro grown plum shoots (Articolo in rivista)
- Type
- Label
- Stomatal functioning in relation to leaf age in in vitro grown plum shoots (Articolo in rivista) (literal)
- Anno
- 1998-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s002990050574 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Zacchini M.1, Morini S2. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 IBAF-CNR
2Dipartimento di Coltivazione e Difesa delle Specie Legnose, (literal)
- Titolo
- Stomatal functioning in relation to leaf age in in vitro grown plum shoots (literal)
- Abstract
- The ability of stomata to close in response to
abiotic factors was studied on different-aged leaves of invitro-
grown clone Mr. S. 2/5 plum (Prunus cerasifera)
shoots. Epidermal peels removed from the first, third and
fifth leaf in basipetal sequence from the shoot tip were exposed
to 50 mM mannitol, 10 mM coumarin or dark treatment.
The control solution consisted of 1 mM KC1 in
0.5 mM 2-(N-morpholino)ethanesulphonic acid. The percentage
of stomata that closed following such treatments
became progressively lower with increasing leaf age. The
effect of mannitol was greater than that of coumarin. With
dark treatment, pronounced closure was observed in the
apical leaf, while on the third and fifth leaf, values were
lower but not statistically different. Finally, the kinetics of
stomatal closure assessed during mannitol incubation indicated
a progressively slower response from the first to
the fifth leaf. The more effective stomatal functioning of
the youngest leaf was confirmed by a more pronounced
stomatal re-opening observed in epidermal peels first
treated with mannitol and then incubated again in the control
solution. (literal)
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