Abstract
Both the plant growth promoting rhizobacteria (PGPR) and plant growth regulators (PGR) exert beneficial effects on plant growth even under stress, but combined effect of both of them has not been evaluated yet. Present investigation was aimed to determine the responses of 2 chickpea varieties (differing in drought tolerance) to 3 PGPR viz. Bacillus subtilis, Bacillus thuringiensis and Bacillus megaterium and PGR (SA and Putrescine) on physiology of chickpea grown in sandy soil. The PGR, Salicylic acid (SA) and Putrescine (Put) were sprayed on the seedling 20 days after germination. Results revealed, synergistic effects of PGPR and PGR on chlorophyll, protein and sugar contents. Addition of PGR to PGPR inoculated plants assisted the plant in osmoregulation and amelioration of oxidative stresses and in induction of new proteins. Combined application of PGR and PGPR decreased lipid peroxidation more effectively but increased the leaf area. It is inferred that PGPR and PGR work synergistically to promote growth of plants under moisture and nutrient deficit condition of sandy soil. Since, SA induces Systemic Acquired Resistance (SAR) in plants hence the addition of SA along with PGPR may render the plant more productive and better tolerant to diseases/pathogen attack.
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Claims 6
Claim · model-written summary
Combined PGPR and PGR had synergistic effects on chlorophyll, protein, and sugar contents in chickpea.
- Taxon
- chickpea
Cicer arietinumt0 - Treatment
- PGPR and PGRe0
- Outcome
- chlorophyll, protein and sugar contentse0
- Direction
- synergistice0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“synergistic effects of PGPR and PGR on chlorophyll, protein and sugar contents”
t0“chickpea (Cicer arietinum)”
Claim · model-written summary
Adding PGR to PGPR-inoculated chickpea assisted osmoregulation.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Addition of PGRe0
- Outcome
- osmoregulatione0
- Comparator
- PGPR inoculated plantse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of PGR to PGPR inoculated plants assisted the plant in osmoregulation”
t0“chickpea (Cicer arietinum)”
Claim · model-written summary
Adding PGR to PGPR-inoculated chickpea ameliorated oxidative stresses.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Addition of PGRe0
- Outcome
- oxidative stressese0
- Direction
- amelioratione0
- Comparator
- PGPR inoculated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of PGR to PGPR inoculated plants assisted the plant in osmoregulation and amelioration of oxidative stresses”
t0“chickpea (Cicer arietinum)”
Claim · model-written summary
Adding PGR to PGPR-inoculated chickpea induced new proteins.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Addition of PGRe0
- Outcome
- new proteinse0
- Direction
- inductione0
- Comparator
- PGPR inoculated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of PGR to PGPR inoculated plants assisted the plant in osmoregulation and amelioration of oxidative stresses and in induction of new proteins”
t0“chickpea (Cicer arietinum)”
Claim · model-written summary
Combined PGR and PGPR reduced lipid peroxidation more effectively.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Combined application of PGR and PGPRe0
- Outcome
- lipid peroxidatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined application of PGR and PGPR decreased lipid peroxidation more effectively”
t0“chickpea (Cicer arietinum)”
Claim · model-written summary
Combined PGR and PGPR increased chickpea leaf area.
- Taxon
- chickpeaCicer arietinumt0
- Treatment
- Combined application of PGR and PGPRe0
- Outcome
- leaf areae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined application of PGR and PGPR decreased lipid peroxidation more effectively but increased the leaf area”
t0“chickpea (Cicer arietinum)”
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