Paper · 1980 · Soil Science Society of America Journal

Relative Effect of Vesicular‐Arbuscular Mycorrhizal Fungi on the Growth and Yield of Soybeans

D. E. Carling; M. F. Brown

3
claims
7
verbatim quotes
89
citations
2
research areas
—
Not open access

Abstract

Abstract The growth and yield response of greenhouse‐grown soybean plants to colonization by 19 isolates (including 6 Glomus and 3 Gigaspora species) of vesicular‐arbuscular mycorrhizal fungi is reported. Each isolate was evaluated in a high (169 kg/ha Bray‐I P 2 O 5 ) and a low (50 kg/ha Bray‐I P 2 O 5 ) fertility soil. Colonization by most Glomus isolates significantly increased plant top dry weight and seed yields, and of these isolates most produced larger increases in dry weight in the low fertility soil. Colonization by five of the Gigaspora isolates did not significantly affect top dry weight and seed yield in the high or Iow fertility soil. The value of comparative testing of species is discussed.

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Claims 3

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Colonization by most Glomus isolates significantly increased soybean top dry weight and seed yields.

Taxon
soybeanGlycine maxe1
Treatment
Colonization by most Glomus isolatese0
Interactor
GlomusGlomuse0symbiont
Outcome
plant top dry weight and seed yieldse0
Direction
increasede0
Setting
greenhousee1

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Glomus
Glomus · InteractorJerry Cooper · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Colonization by most Glomus isolates significantly increased plant top dry weight and seed yields”

✓ located verbatim in the source · abstract, characters 323–420 · show in text ↑
e1

“The growth and yield response of greenhouse‐grown soybean plants”

✓ located verbatim in the source · abstract, characters 9–73 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Most Glomus isolates produced larger increases in dry weight in the low fertility soil.

Taxon
soybeanGlycine maxe1
Interactor
GlomusGlomuse0symbiont
Outcome
increases in dry weighte2
Direction
largere2
Setting
low fertility soile2

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Glomus
Glomus · InteractorJerry Cooper · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Colonization by most Glomus isolates significantly increased plant top dry weight and seed yields”

✓ located verbatim in the source · abstract, characters 323–420 · show in text ↑
e1

“The growth and yield response of greenhouse‐grown soybean plants”

✓ located verbatim in the source · abstract, characters 9–73 · show in text ↑
e2

“most produced larger increases in dry weight in the low fertility soil”

✓ located verbatim in the source · abstract, characters 444–514 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Colonization by five Gigaspora isolates did not significantly affect top dry weight or seed yield in high or low fertility soil.

Taxon
soybeanGlycine maxe1
Treatment
Colonization by five of the Gigaspora isolatese0
Interactor
GigasporaGigasporae0symbiont
Outcome
top dry weight and seed yielde0
Direction
no_changeinferrede0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Gigaspora
Gigaspora · Interactor · picture of the genus (one of its species)Mike Guether · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Colonization by five of the Gigaspora isolates did not significantly affect top dry weight and seed yield in the high or Iow fertility soil”

✓ located verbatim in the source · abstract, characters 516–655 · show in text ↑
e1

“The growth and yield response of greenhouse‐grown soybean plants”

✓ located verbatim in the source · abstract, characters 9–73 · show in text ↑

Gigaspora · yield · Glycine max (soybean)Results differ

3 papers: 1 positive, 2 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. no effect
See all 3 papers →

Glomus · yield · Glycine max (soybean)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

infection · yield · Glycine max (soybean)Results differ

51 papers: 9 positive, 42 negative or no effect

8 papers in the same direction as this paper · 42 in the opposite direction

  1. negative
  2. negative
  3. negative

47 papers more in this group

See all 51 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.