Abstract
Salt stress is a significant abiotic plant growth restrictive factor; it is becoming a severe environmental threat. The microorganism in the rhizosphere especially fungi and bacteria can increase the plant production under stress conditions both by direct and indirect mechanisms. A field experiment was conducted to evaluate the potential of biogas slurry and plant growth promoting rhizobacteria (PGPR) at different levels of salinity to improve the growth and yield of pea (Pisum sativum ). In field experiment biogas slurry @ 600 kg ha-1 and 800 kg ha-1 and PGPR strain “bacillus subtilis” was applied along with 6 dS m-1 and 8 dS m-1 levels of salt stress in addition to recommended doses of nitrogen, potassium and phosphorus fertilizer. The results revealed that the combined application of PGPR and biogas slurry under normal soil conditions increased shoot length by 30.27% while under saline conditions it increased up-to 65.27%. Soil salinity reduced root length up-to 79.155% at 8 dS m-1 as compared to control. Application of biogas slurry improved 5.93% root length under salt stress as compared to respective control, on the other hand the combined application of PGPR and biogas slurry increased root length by 33.128% under normal conditions and under salinity stress it increased by 73.53%.Soil salinity reduced chlorophyll content 36.54% of pea decrease under salt stress, the application of biogas slurry under the same condition improved 29.26% chlorophyll content of pea but the combined application of PGPR and biogas slurry enhanced the chlorophyll contents 4.68% as compared to solely application of biogas slurry. The results clearly indicated that the combined application of PGPR and biogas slurry is the best source to enhance the growth and yield of pea under normal as well as under salinity stress. Key Words: PGPR, Bio gas, Salinity, Peas, Growth, Yield.
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Claims 9
Claim · model-written summary
Combined PGPR and slurry increased shoot length 30.27% under normal soil.
- Taxon
- pea
Lathyrus oleraceuse1 - Treatment
- combined application of PGPR and biogas slurrye0
- Interactor
- PGPRe0symbiont
- Outcome
- shoot lengthe0
- Direction
- increasede0
- Value
- 30.27%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined application of PGPR and biogas slurry under normal soil conditions increased shoot length by 30.27%”
e1“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Combined PGPR and slurry increased shoot length 65.27% under saline soil.
- Taxon
- peaLathyrus oleraceuse2
- Treatment
- combined application of PGPR and biogas slurrye1
- Interactor
- PGPRe1symbiont
- Outcome
- shoot lengthe1
- Direction
- increasede1
- Value
- 65.27%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under saline conditions it increased up-to 65.27%”
e1“combined application of PGPR and biogas slurry under normal soil conditions increased shoot length by 30.27%”
e2“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Salinity decreased pea root length 79.155%.
- Taxon
- peaLathyrus oleraceuse1
- Treatment
- 8 dS m-1e0
- Outcome
- root lengthe0
- Direction
- reducede0
- Value
- 79.155%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil salinity reduced root length up-to 79.155% at 8 dS m-1 as compared to control”
e1“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Biogas slurry increased root length 5.93% under salinity.
- Taxon
- peaLathyrus oleraceuse1
- Treatment
- biogas slurrye0
- Outcome
- root lengthe0
- Direction
- improvede0
- Value
- 5.93%e0
- Comparator
- respective controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of biogas slurry improved 5.93% root length under salt stress as compared to respective control”
e1“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Combined PGPR and slurry increased root length 33.128% under normal conditions.
- Taxon
- peaLathyrus oleraceuse1
- Treatment
- combined application of PGPR and biogas slurrye0
- Interactor
- PGPRe0symbiont
- Outcome
- root lengthe0
- Direction
- increasede0
- Value
- 33.128%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined application of PGPR and biogas slurry increased root length by 33.128% under normal conditions”
e1“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Combined PGPR and slurry increased root length 73.53% under salinity.
- Taxon
- peaLathyrus oleraceuse2
- Treatment
- combined application of PGPR and biogas slurrye1
- Interactor
- PGPRe1symbiont
- Outcome
- root lengthe1
- Direction
- increasede1
- Value
- 73.53%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under salinity stress it increased by 73.53%”
e1“combined application of PGPR and biogas slurry increased root length by 33.128% under normal conditions”
e2“growth and yield of pea (Pisum sativum )”
Claim · model-written summary
Salt stress reduced pea chlorophyll content 36.54%.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- salt stresse0
- Outcome
- chlorophyll contente0
- Direction
- reducede0
- Value
- 36.54%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil salinity reduced chlorophyll content 36.54% of pea decrease under salt stress”
Claim · model-written summary
Biogas slurry increased chlorophyll content 29.26% under salt stress.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- biogas slurrye0
- Outcome
- chlorophyll content of peae0
- Direction
- improvede0
- Value
- 29.26%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of biogas slurry under the same condition improved 29.26% chlorophyll content of pea”
Claim · model-written summary
Combined PGPR and slurry raised chlorophyll 4.68% versus slurry alone.
- Taxon
- peaLathyrus oleraceuse1
- Treatment
- combined application of PGPR and biogas slurrye0
- Interactor
- PGPRe0symbiont
- Outcome
- chlorophyll contentse0
- Direction
- enhancede0
- Value
- 4.68%e0
- Comparator
- solely application of biogas slurrye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined application of PGPR and biogas slurry enhanced the chlorophyll contents 4.68% as compared to solely application of biogas slurry”
e1“growth and yield of pea (Pisum sativum )”
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