Paper · 2004 · Journal of Agronomy and Crop Science

Photosynthetic Acclimation and Productivity of Mungbean Cultivars under Elevated CO2 Concentration

P. Sharma‐Natu; V. Pandurangam; M. C Ghildiyal

6
claims
15
verbatim quotes
12
citations
3
research areas
—
Not open access

Abstract

Abstract Mungbean [ Vigna radiata (L.) Wilczek] cultivars (Pusa Baisakhi, PS 16 and P 105) were grown in field at atmospheric (360 ± 10 ppm, AC) and elevated CO 2 (650 ± 50 ppm, EC) concentrations inside open top chambers for entire period of growth and development till maturity. Leaf net photosynthesis rate (P N ) of AC and EC grown plants when compared at same CO 2 concentration showed no significant down‐regulation of P N in EC plants. In cv. P 105, even up‐regulation of P N was observed in EC plants. Mungbean cultivars accumulated assimilates in the leaves during the day mostly in the form of starch. Nodule number and weight were also higher in EC plants. The positive effect of elevated CO 2 on P N , dry‐matter production and seed yield was better expressed in cv. P 105 having greater podding ability.

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Claims 6

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Elevated CO2 did not significantly down-regulate leaf net photosynthesis in mungbean relative to ambient-grown plants at the same CO2 concentration.

Taxon
MungbeanVigna radiatae0
Treatment
elevated CO 2e1
Outcome
Leaf net photosynthesis ratee2
Direction
no significant down‐regulatione2
Comparator
ACe2
Setting
fielde1

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e1

“were grown in field at atmospheric (360 ± 10 ppm, AC) and elevated CO 2 (650 ± 50 ppm, EC) concentrations inside open top chambers”

✓ located verbatim in the source · abstract, characters 91–221 · show in text ↑
e2

“Leaf net photosynthesis rate (P N ) of AC and EC grown plants when compared at same CO 2 concentration showed no significant down‐regulation of P N in EC plants”

✓ located verbatim in the source · abstract, characters 281–441 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In cultivar P 105, elevated CO2 up-regulated leaf net photosynthesis.

Taxon
MungbeanVigna radiatae0
Material
cv. P 105e3
Treatment
elevated CO 2e1
Outcome
P Ne3
Direction
up‐regulatione3

Not reportedComparator

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e1

“were grown in field at atmospheric (360 ± 10 ppm, AC) and elevated CO 2 (650 ± 50 ppm, EC) concentrations inside open top chambers”

✓ located verbatim in the source · abstract, characters 91–221 · show in text ↑
e3

“In cv. P 105, even up‐regulation of P N was observed in EC plants”

✓ located verbatim in the source · abstract, characters 443–508 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mungbean cultivars accumulated assimilates in the leaves during the day, mostly as starch.

Taxon
MungbeanVigna radiatae0
Organ / stage
leavese4
Outcome
accumulated assimilatese4
Qualifier
mostly in the form of starche4

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e4

“Mungbean cultivars accumulated assimilates in the leaves during the day mostly in the form of starch”

✓ located verbatim in the source · abstract, characters 510–610 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nodule number and weight were higher in elevated-CO2 mungbean plants.

Taxon
MungbeanVigna radiatae0
Organ / stage
Nodulee5
Treatment
elevated CO 2e1
Outcome
Nodule number and weighte5
Direction
highere5
Setting
fielde1

Not reportedComparator

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e1

“were grown in field at atmospheric (360 ± 10 ppm, AC) and elevated CO 2 (650 ± 50 ppm, EC) concentrations inside open top chambers”

✓ located verbatim in the source · abstract, characters 91–221 · show in text ↑
e5

“Nodule number and weight were also higher in EC plants”

✓ located verbatim in the source · abstract, characters 612–666 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Elevated CO2 had a positive effect on net photosynthesis, dry-matter production and seed yield of mungbean.

Taxon
MungbeanVigna radiatae0
Treatment
elevated CO 2e6
Outcome
P N , dry‐matter production and seed yielde6
Direction
positive effecte6

Not reportedComparator

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e6

“The positive effect of elevated CO 2 on P N , dry‐matter production and seed yield was better expressed in cv. P 105 having greater podding ability”

✓ located verbatim in the source · abstract, characters 668–815 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

The positive effect of elevated CO2 was better expressed in cultivar P 105, which has greater podding ability.

Taxon
MungbeanVigna radiatae0
Material
cv. P 105e6
Outcome
positive effect of elevated CO 2e6
Direction
better expressede6
Qualifier
greater podding abilitye6

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

Vigna radiata
Vigna radiata · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Mungbean [ Vigna radiata (L.) Wilczek] cultivars”

✓ located verbatim in the source · abstract, characters 9–57 · show in text ↑
e6

“The positive effect of elevated CO 2 on P N , dry‐matter production and seed yield was better expressed in cv. P 105 having greater podding ability”

✓ located verbatim in the source · abstract, characters 668–815 · show in text ↑

co2 · symbiosis · Vigna radiata (mung bean)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 →

co2 · physiology: photosynthesis · Vigna radiata (mung bean)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.