Efficiency stability of Glomus mosseae strain in tomato response to water stress conditions out of its optimal period
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Abstract
stress effects, the arbuscular mycorrhizal fungal inoculation
has been put into practice. Deepening into this subject, the
work was aimed to test the stability of G. mosseae efficiency
on tomato behaviour, growing out of its optimal period under
water deficit conditions. Thus, two experiments were carried
out under semi-controlled conditions, within half-late and late
periods for tomato crop, inoculated and non-inoculated plants
being subjected to water stress. Some variables related to
mycorrhizal activity, plant growth and its water status were
determined. The following indicators were evaluated: root
colonization per arbuscular mycorrhizal fungi (% Col), visual
density (DV), total dry weight as well as of leaves, stems and
roots (g), foliar area (Sf) and water potential (?). Results proved
strain efficiency per each indicator evaluated, which were
higher in inoculated plants compared to non-inoculated ones,
even though they were cultivated out of the optimal period.
This experience suggests certain strain-crop specificity and
particularly the best tomato development in symbiosis with
G. mosseae under the studied conditions.
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