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- Title
LEAF STOMATAL PARAMETERS OF IRIS GERMANICA L. INFLUENCED BY CULTIVAR AND ARBUSCULAR MYCORRHIZAE INOCULATION IN FIELD CONDITIONS, ROMANIA.
- Authors
CRIŞAN, Ioana; VIDICAN, Roxana; STOIAN, Vlad; VÂTCĂ, Sorin; STOIE, Andrei
- Abstract
The aim of this study was to investigate if supplementary inoculation with arbuscular mycorrhizae of Iris germanica plants in field conditions has influence on key stomata parameters that are known to determine the maximum leaf diffusive conductance of CO2 to the site of assimilation as well as water use efficiency. Six Iris germanica cultivars ('Black Dragon', 'Blue Rhythm', 'Sultan's Palace', 'Lime Fizz', 'Pinafore Pink', 'Pure As The') were inoculated at planting in autumn with the following arbuscular mycorrhizae fungi species: Funneliformis mosseae (Glomus mosseae), Funneliformis geosporus (Glomus geosporum), Claroideoglomus clarodeum (Glomus claroideum), Rhizophagus intraradices (Glomus intraradices), Glomus microaggregatum. Microscopic examination revealed that both inoculated and non-inoculated plants presented AM root colonization after entering in vegetation. Analysis of leaf imprints collected in spring showed that inoculation with arbuscular mycorrhizae determined a decrease in stomatal density but increase of guard cell length. Inoculated plants presented higher potential stomatal conductance index.
- Subjects
IRISES (Plants); STOMATA; VESICULAR-arbuscular mycorrhizas; CARBON dioxide; ENDOGONE mosseae
- Publication
Scientific Papers. Series B. Horticulture, 2018, Vol 62, p619
- ISSN
2285-5653
- Publication type
Article