Water deficit stress alleviation by bio-formulated native mycorrhizal species for wheat grown in a saline calcareous soil
Laen...
Kuupäev
2024
Kättesaadav alates
Autorid
Abdel-Salam, Z.A.
Abouzeid, M.A.
El-Shazly, M.M.
Abdou, D.A.M.
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Estonian University of Life Sciences
Abstrakt
Arbuscular mycorrhizal fungi (AMF) are a genus of obligatory root biotrophs that can
develop mutualistic symbioses with most terrestrial plants. This study aimed to investigate the
impact of three different isolates of AMF (Acaulospora spinosa [M1], Glomus ambisporum [M2],
and Scutellospora heterogama [M3]) isolated from native environments and three carriers
(biochar, alginate, and polyacrylate) on wheat (Triticum aestivum L.) grown in a saline calcareous
soil in conditions of water deficit. In a pot experiment, reduced amounts of water were applied at
intervals of 4, 8, and 12 days, while in a field experiment, the intervals were 1, 2, and 3 weeks
(W1, W2, and W3). By analyzing the chlorophyll index and dry weight data from the pot
experiment, it was revealed that two AMF isolates (M1 and M2), along with two carriers (biochar
and alginate), showed promising results in stimulating wheat growth. Based on these findings, a
field validation experiment was conducted to further evaluate the effects of these isolates and
carriers. The wheat plants subjected to water deficit stress exhibited improved vegetation
characteristics, grain yield, nutrient uptake, and colonization percentage when treated with the
AMF isolate M2 formulated on biochar. For instance, under W2 conditions without any
mycorrhiza or carrier, the grain yield was recorded at 6,600 kg ha-1
. However, with the
inoculation of M2-biochar at the same W2 level, the yield significantly increased to 9110 kg ha-1.
The study concluded that AMF formulated on biochar outperformed other carriers, leading to
enhanced wheat growth under water stress conditions.
Kirjeldus
Received: August 7th, 2023 ; Accepted: January 12th, 2024 ; Published: January 18th, 2024 ; Correspondence: zenabahmed5@gmail.com
Märksõnad
drought stress, arbuscular mycorrhizal fungi, biocompatible carriers, biochar, alginate, wheat yield, articles