Unveiling the potential of acidified cow dung in combination with plant growth promoting endophytes on growth, physiology, and yield improvement of maize in salt-affected soil

Unveiling the potential of acidified cow dung in combination with plant growth promoting endophytes on growth, physiology, and yield improvement of maize in salt-affected soil

Salinity is a critical abiotic stress which adversely affects crop productivity worldwide. A pot experiment was carried out to assess the response of acidulated cow dung (ACD) along with or without Bacillus sp. MN54 for promoting the growth and antioxidant activity of maize under normal and saline s...

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Bibliographic Details
Published in:Arabian journal of geosciences Vol. 16; no. 10
Main Authors: Naveed, Muhammad, Zulekha, Rabail, Khan, Khuram Shehzad, Younas, Noman, Qadeer, Muhammad Farhan, Brtnicky, Martin, Holatko, Jiri, Mustafa, Adnan
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 2023
Springer Nature B.V
Subjects:
Acidification
Antioxidants
Bacillus
Cattle manure
Colonization
Corn
Crop production
Crop yield
Design of experiments
Dung
Earth and Environmental Science
Earth science
Earth Sciences
Endophytes
Enzymatic activity
Enzyme activity
Experimental design
Microbiological strains
Original Paper
Oxidative stress
Physiology
Plant growth
Rhizosphere
Saline soils
Salinity
Salinity effects
Sodium
Sodium chloride
Soil
Soil conditions
Soil salinity
Uptake
Endophytic bacteria
Maize
Acidulated organic amendment
Colonization
Salinity
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Summary:Salinity is a critical abiotic stress which adversely affects crop productivity worldwide. A pot experiment was carried out to assess the response of acidulated cow dung (ACD) along with or without Bacillus sp. MN54 for promoting the growth and antioxidant activity of maize under normal and saline soil conditions. The experimental design consisted of salinity levels (ECe 1.5, 6, and 12 dS m −1 ) established via sodium chloride (NaCl) salt, along with endophytic strain MN54 and ACD addition (2.5%). Results showed that salinity negatively influenced the growth and yield of maize, but the combined application of organic input and bacterial strain Bacillus sp. MN54 significantly improved root and shoot fresh weight (73 and 69%), dry biomass (49 and 57%), physiological attributes (2 times increase) soil as compared to control soil. Similarly, higher (2 ×) uptake of NPK and maximum colonization of rhizosphere and root, shoot was observed through the combined application of ACD and Bacillus sp. MN54 relative to control. The findings of this study revealed that acidulated amendment along with endophyte MN54 reduced the oxidative stress and improved antioxidant enzymatic activity by plant-rhizosphere colonization, which could be an effective and sustainable approach for better growth, physiological, biochemical, and nutritional attributes, and yield characteristics of maize grown in saline conditions.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-023-11647-z