Mitigation of Salinity Stress on Vetiver Grass (Vetiveria zizanioides) through Application of Micrococcus yunnanensis and Indole-3-Acetic Acid
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation and Analysis of Soil
2.2. Preparation of Bacterial Inoculum
2.3. Plant Growth and Treatments
2.4. Statistics
3. Results
3.1. The Effect of Salinity Levels, IAA Bacterial Inoculatiand on on Growth Characteristics and Yield of Vetiver
3.2. Effect of Salinity Levels and IAA and M. yunnanensis on the Chemical Composition of Vetiver
3.3. Effect of Salinity Levels, IAA and M. yunnanensis on Physiological Properties of Vetiver
3.4. Chemical and Biological Properties of Soil after Vetiver Harvest
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Appendix A
S | M | S × M | |
---|---|---|---|
PH (cm) | ns | ** | * |
FW (g) | ** | ** | * |
DW (g) | ** | ** | ** |
RDW (g) | ns | ** | ns |
ShP (%) | ** | ** | ** |
ShK (%) | ** | ** | ** |
ShNa (mg/kg) | ** | ns | ns |
Pr (µmol/g) | ** | ** | ** |
CAT (U/mg) | ** | ** | * |
DIS (U/mg) | ** | ** | ** |
POD (U/mg) | ** | ** | ** |
SP (mg/kg) | ** | ns | ns |
SK (mg/kg) | ** | ** | ** |
SpH | ** | ns | ns |
EC (ds/m) | ** | ** | ** |
MR (mg CO2-C/Kg·h) | ** | ** | ** |
MB (mgC/kg) | ** | ** | ** |
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Feature | The Amount |
---|---|
Sand | 57.72% |
Silt | 12.56% |
Clay | 29.72 |
Texture class | Sandy clay loam |
pH-saturated dough | 7.6 |
Electrical conductivity of the saturated extract | 2.15 dS/m |
Cation exchange capacity | 18 cmol+/kg |
Organic matter | 1.3% |
Total N | 0.07% |
P extractable by NaHCO3 | 15 mg/kg |
K extractable by C2H7NO2 | 420 mg/kg |
Extractable Cu with DTPA | 5.1 mg/kg |
Extractable Mn with DTPA | 0.6 mg/kg |
Extractable Zn with DTPA | 3 mg/kg |
Extractable Cd with DTPA | 1.3 mg/kg |
Microbial respiration | 5.2 mg CO2-C kg−1·h−1 |
Soil Microbial biomass carbon | 15.15 mg of C/kg of soil |
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Mosallanejad, N.; Zarei, M.; Ghasemi-Fasaei, R.; Shahriari, A.G.; Mohkami, A.; Majláth, I.; Vetukuri, R.R. Mitigation of Salinity Stress on Vetiver Grass (Vetiveria zizanioides) through Application of Micrococcus yunnanensis and Indole-3-Acetic Acid. Agronomy 2024, 14, 1952. https://doi.org/10.3390/agronomy14091952
Mosallanejad N, Zarei M, Ghasemi-Fasaei R, Shahriari AG, Mohkami A, Majláth I, Vetukuri RR. Mitigation of Salinity Stress on Vetiver Grass (Vetiveria zizanioides) through Application of Micrococcus yunnanensis and Indole-3-Acetic Acid. Agronomy. 2024; 14(9):1952. https://doi.org/10.3390/agronomy14091952
Chicago/Turabian StyleMosallanejad, Negar, Mehdi Zarei, Reza Ghasemi-Fasaei, Amir Ghaffar Shahriari, Afsaneh Mohkami, Imre Majláth, and Ramesh R. Vetukuri. 2024. "Mitigation of Salinity Stress on Vetiver Grass (Vetiveria zizanioides) through Application of Micrococcus yunnanensis and Indole-3-Acetic Acid" Agronomy 14, no. 9: 1952. https://doi.org/10.3390/agronomy14091952