Paper · 2014 · International Journal of Agriculture and Biology

Application of ACC-deaminase containing rhizobacteria with fertilizer improves maize production under drought and salinity stress.

Muhammad Zafar-ul-Hye; Hafiz Muhammad Farooq; Z. A. Zahir; et al.

10
claims
18
verbatim quotes
52
citations
3
research areas
—
Not open access

Abstract

Maize (Zea mays L.) has a lot of dietary and industrial value around the globe and its yield potential is being extremely affected by abiotic stresses i.e., drought and soil salinity/sodicity etc. However, damaging effects of abiotic stresses can be ameliorated by the combined application of plant growth promoting rhizobacteria (PGPR) and mineral fertilizers. Therefore this field trial was designed to explore the effect of PGPR containing ACC deaminase (1-aminocyclopropane-1-carboxylate deaminase) alone and in combination with mineral fertilizers on yield and nutrient uptake of maize under drought in saline field. Two PGPR strains S1 (Pseudomonas syringae) and S2 (Pseudomonas fluorescens) were applied to the maize seeds in separate and along with full and half dose of recommended NPK fertilizers. Drought stress was imposed generally on whole experiment at tasseling by withholding irrigation up to ~50% field capacity (FC) level. The PGPR strains significantly improved the yield of maize when applied alone and further promising results were obtained when applied with mineral fertilizers. Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application. Moreover combined application of PGPR strains and mineral fertilizers notably improved the nitrogen (N), phosphorus (P) and potassium (K) contents of grains and stalk of maize not only over control (un-inoculated seed and without mineral fertilizers application) but also over alone application of PGPR strains, and half and full dose of mineral fertilizers application as well. In conclusion, the PGPR strains containing ACC-deaminase activity along with full dose of artificial fertilizers improved the maize productivity due to notable expansion in yield related traits and nutrient uptake under dual stress conditions i.e., drought and soil salinity/sodicity. © 2014 Friends Science Publishers

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Claims 10

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

PGPR strains alone significantly improved maize yield.

Taxon
maizeZea mayse0
Treatment
PGPR strainse0
Interactor
PGPRe0symbiont
Outcome
yield of maizee0
Direction
improvede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The PGPR strains significantly improved the yield of maize when applied alone”

✓ located verbatim in the source · abstract, characters 942–1019 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PGPR with mineral fertilizers further improved maize yield.

Taxon
MaizeZea mayst0
Treatment
rhizobacteria with fertilizert0
Interactor
rhizobacteriaHyphomicrobialest0symbiont
Outcome
promising resultse0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“further promising results were obtained when applied with mineral fertilizers”

✓ located verbatim in the source · abstract, characters 1024–1101 · show in text ↑
t0

“Application of ACC-deaminase containing rhizobacteria with fertilizer improves maize production under drought and salinity stress.”

✓ located verbatim in the source · title, characters 0–130 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined PGPR and full fertilizer increased cobs per plant by 19.05%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
number of cobs plant -1e0
Direction
increasee0
Value
19.05%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased cob length by 68.02%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
cob lengthe0
Direction
increasee0
Value
68.02%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased grain rows per cob by 25.53%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
number of grain rows cob -1e0
Direction
increasee0
Value
25.53%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased grains per cob by 28.29%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
number of grains cob -1e0
Direction
increasee0
Value
28.29%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased plant height by 58.14%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
plant heighte0
Direction
increasee0
Value
58.14%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased 1000-grain weight by 35.92%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
1000-grain weighte0
Direction
increasee0
Value
35.92%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combined treatment increased grain yield by 55.14%.

Taxon
maizeZea mayst0
Treatment
combined application of PGPR strains and full dose of recommended fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
grain yielde0
Direction
increasee0
Value
55.14%e0
Comparator
un-inoculated control and without mineral fertilizers applicatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum increase in number of cobs plant -1 (19.05%), cob length (68.02%) number of grain rows cob -1 (25.53%), number of grains cob -1 (28.29%) plant height (58.14%), number of grains per cob (28.29%), 1000-grain weight (35.92%) and grain yield (55.14%) was observed by the combined application of PGPR strains and full dose of recommended fertilizers over un-inoculated control and without mineral fertilizers application”

✓ located verbatim in the source · abstract, characters 1103–1526 · show in text ↑
t0

“maize production”

✓ located verbatim in the source · title, characters 79–95 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined PGPR and fertilizer improved N, P and K contents of grain and stalk against the listed controls.

Taxon
maizeZea mayse0
Treatment
combined application of PGPR strains and mineral fertilizerse0
Interactor
PGPR strainse0symbiont
Outcome
nitrogen (N), phosphorus (P) and potassium (K) contents of grains and stalk of maizee0
Direction
improvede0
Comparator
control (un-inoculated seed and without mineral fertilizers application)e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“combined application of PGPR strains and mineral fertilizers notably improved the nitrogen (N), phosphorus (P) and potassium (K) contents of grains and stalk of maize not only over control (un-inoculated seed and without mineral fertilizers application) but also over alone application of PGPR strains, and half and full dose of mineral fertilizers application as well”

✓ located verbatim in the source · abstract, characters 1537–1905 · show in text ↑

fertilization · organism · Zea mays (maize)Results differ

162 papers: 137 positive, 25 negative or no effect

136 papers in the same direction as this paper · 20 in the opposite direction · 5 reporting no difference from an alternative

  1. negative
  2. no effect
  3. no effect

158 papers more in this group

See all 162 papers →

inoculation · organism · Zea mays (maize)Positive and negative results

40 papers: 34 positive, 6 negative or no effect

33 papers in the same direction as this paper · 6 in the opposite direction

  1. no effect
  2. no effect
  3. no effect

36 papers more in this group

See all 40 papers →

inoculation · yield · Zea mays (maize)Positive and negative results

538 papers: 479 positive, 59 negative or no effect

478 papers in the same direction as this paper · 52 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
  2. no effect
  3. no effect

534 papers more in this group

See all 538 papers →

inoculation · growth · Zea mays (maize)Positive and negative results

699 papers: 635 positive, 64 negative or no effect

634 papers in the same direction as this paper · 61 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
  2. no effect
  3. no effect

695 papers more in this group

See all 699 papers →

fertilization · growth · Zea mays (maize)Positive and negative results

1,365 papers: 1,196 positive, 169 negative or no effect

1,195 papers in the same direction as this paper · 149 in the opposite direction · 20 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. negative

1,361 papers more in this group

See all 1,365 papers →

fertilization · yield · Zea mays (maize)Positive and negative results

3,908 papers: 3,485 positive, 423 negative or no effect

3,484 papers in the same direction as this paper · 338 in the opposite direction · 85 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

3,904 papers more in this group

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fertilization · Hyphomicrobiales · Zea mays (maize)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

inoculation · Hyphomicrobiales · Zea mays (maize)Results agree

10 papers: 10 positive, 0 negative or no effect

9 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.