Paper · 1985 · PLANT PHYSIOLOGY

Enhanced N-Transfer from a Soybean to Maize by Vesicular Arbuscular Mycorrhizal (VAM) Fungi

Christopher van Kessel; Paul W. Singleton; Heinz J. Hoben

2
claims
5
verbatim quotes
149
citations
2
research areas
✓
Open access

Abstract

Using a split-root technique, roots of soybean plants were divided between two pots. In one of the two pots, two maize plants were grown and half of those pots were inoculated with the vesicular arbuscular mycorrhizal (VAM) fungus, Glomus fasciculatus. Fifty-two days after planting, (15)N-labeled ammonium sulfate was applied to the pots which contained only soybean roots. Forty-eight hours after application, significantly higher values for atom per cent (15)N excess were found in roots and leaves of VAM-infected maize plants as compared with the non-VAM-infected maize plants. Results indicated that VAM fungi did enhance N transfer from one plant to another.

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Claims 2

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

VAM-infected maize had significantly higher nitrogen-15 excess in roots and leaves than noninfected maize.

Taxon
maizeZea mayse0
Treatment
VAM-infectede0
Interactor
Glomus fasciculatuse1symbiont
Outcome
atom per cent (15)N excesse0
Direction
highere0
Comparator
non-VAM-infected maize plantse0

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

“significantly higher values for atom per cent (15)N excess were found in roots and leaves of VAM-infected maize plants as compared with the non-VAM-infected maize plants”

✓ located verbatim in the source · abstract, characters 412–581 · show in text ↑
e1

“vesicular arbuscular mycorrhizal (VAM) fungus, Glomus fasciculatus”

✓ located verbatim in the source · abstract, characters 185–251 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors concluded that VAM fungi enhanced nitrogen transfer between plants.

Taxon
maizeZea mayse1
Interactor
Glomus fasciculatuse2symbiont
Outcome
N transfer from one plant to anothere0

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

“Results indicated that VAM fungi did enhance N transfer from one plant to another”

✓ located verbatim in the source · abstract, characters 583–664 · show in text ↑
e1

“non-VAM-infected maize plants”

✓ located verbatim in the source · abstract, characters 552–581 · show in text ↑
e2

“Glomus fasciculatus”

✓ located verbatim in the source · abstract, characters 232–251 · show in text ↑

mycorrhiza · nutrient: content · Zea mays (maize)Positive and negative results

122 papers: 116 positive, 6 negative or no effect

115 papers in the same direction as this paper · 5 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. positive
  3. no effect

118 papers more in this group

See all 122 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.