Effect of Salinity Stress and Microbial Inoculations on Glomalin Production and Plant Growth Parameters of Snap Bean (Phaseolus vulgaris)
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Description and Experimental Layout
2.2. Planting Schemes and Data Collection
2.3. Plant Height, Leaf Chlorophyll Content and Bean Yield
2.4. Shoot and Root Dry Biomass
2.5. Estimation of AMF (Arbuscular Mycorrhizal Fungi) Root Colonization
2.6. Glomalin-Related Soil Protein (GRSP) Extraction
2.7. Statistical Analyses
3. Results and Discussion
3.1. Effect of Salinity and Microbial Inoculations on Soil and Plant Parameters
3.2. Analysis of Pore Water EC and Soil Bulk EC
3.3. Analysis of Leaf Chlorophyll Content (SPAD Readings)
3.4. Root Colonization of AMF and Glomalin Production (TG and EEG)
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
Abbreviations
EC | Electrical conductivity |
GRSP | Glomalin Related Soil Protein |
EG | Easily Extractable Glomalin |
AMF | Arbuscular Mycorrhizal Fungi |
DAP | Days After Planting |
SPAD | Soil Plant Analytical Development |
SOC | Soil Organic Carbon |
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Treatment | Soil pH Week 8 | Plant Height (cm) Week 8 | Total Bean Yield (g) | Shoot Dry Weight (g) | Root Dry Weight (g) | Shoot to Root Ratio |
---|---|---|---|---|---|---|
ICSC | 6.63 ± 0.48 | 26.48 c ± 2.76 | 44.20 ab ± 7.47 | 5.57 ab ± 0.74 | 1.60 a ± 0.64 | 3.48 |
IT1SC | 6.52 ± 0.32 | 27.15 c ± 2.91 | 23.93 c ± 7.16 | 3.99 bc ± 0.97 | 1.44 a ± 0.35 | 2.77 |
IT2SC | 6.76 ± 0.22 | 26.78 c ± 4.91 | 33.29 bc ± 9.71 | 5.61 a ± 1.21 | 1.53 a ± 0.46 | 3.67 |
ICS1 | 6.36 ± 0.38 | 28.53 bc ± 2.33 | 57.26 a ± 8.00 | 6.53 a ± 1.58 | 1.52 a ± 0.28 | 4.30 |
IT1S1 | 6.30 ± 0.34 | 31.01 abc ± 2.44 | 27.97 c ± 5.21 | 5.03 abc ± 0.93 | 1.59 a ± 0.25 | 3.16 |
IT2S1 | 6.60 ±0.18 | 30.83 abc ± 2.66 | 43.57 b ± 10.38 | 6.09 a ± 0.87 | 1.51 a ± 0.22 | 4.03 |
ICS2 | 6.77 ± 0.37 | 29.52 abc ± 4.15 | 35.49 bc ± 14.83 | 4.96 abc ± 1.29 | 1.27 a ± 0.25 | 3.91 |
IT1S2 | 6.48 ± 0.22 | 32.31 ab ± 3.74 | 30.36 c ± 8.56 | 3.71 c ± 1.30 | 1.44 a ± 0.29 | 2.58 |
IT2S2 | 6.60 ± 0.30 | 33.80 a ± 3.95 | 35.36 bc ± 6.03 | 5.19 abc ± 0.71 | 1.42 a ± 0.29 | 3.65 |
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Garcia, C.L.; Dattamudi, S.; Chanda, S.; Jayachandran, K. Effect of Salinity Stress and Microbial Inoculations on Glomalin Production and Plant Growth Parameters of Snap Bean (Phaseolus vulgaris). Agronomy 2019, 9, 545. https://doi.org/10.3390/agronomy9090545
Garcia CL, Dattamudi S, Chanda S, Jayachandran K. Effect of Salinity Stress and Microbial Inoculations on Glomalin Production and Plant Growth Parameters of Snap Bean (Phaseolus vulgaris). Agronomy. 2019; 9(9):545. https://doi.org/10.3390/agronomy9090545
Chicago/Turabian StyleGarcia, Claudia Lyl, Sanku Dattamudi, Saoli Chanda, and Krishnaswamy Jayachandran. 2019. "Effect of Salinity Stress and Microbial Inoculations on Glomalin Production and Plant Growth Parameters of Snap Bean (Phaseolus vulgaris)" Agronomy 9, no. 9: 545. https://doi.org/10.3390/agronomy9090545