Paper · 2013

EFFECT OF CARBOXIN-THIRAM ON SYMBIOSIS OF WHEAT AND ARBUSCULAR MYCORRHIZAL FUNGI

A Esmaeilizad; Farhad Rejali; J Vandyousefi

6
claims
10
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Biofertilizers not only have positive effects on soil sustainable fertility, but also beneficial economic and environmental attributes. Therefore, they can be used as a suitable substitute to replace all, or at least some of, the chemical fertilizers. Arbuscular mycorrhizal fungi are one of the most important kinds of biofertilizers. Considering the wide use of Carboxin thiram to control fungus pathogens in wheat cultivation in Iran, this project was designed and performed to define the effects of this fungicide on the symbiosis establishment between wheat and different species of arbuscular mycorrhizal fungi. In a greenhouse test, the effect of Carboxin thiram was studied at two rates of zero and 2gr/1000 gr on symbiosis of 6 mycorrhizal fungal species (Glomus clarum, Glomus caledonium, Glomus mosseae, Glomus sp, Glomus geosporum, Glomus versiforme), wheat (cv.Chamran ) growth indexes, spore population, and root colonization percentage. Results showed that seed treatment with Carboxin thiram had no significant effect on yield components of wheat (cv.Chamran). Inoculation with the mycorrhizal fungi and using Carboxin thiram significantly increased spore population (p<0.01) and root colonization (p<0.05). Maximum and minimum spore population in symbiosis produced by G.geosporum and G.clarum fungi in Carboxin thiram treatment were 34.37 and 5 spores per gram of soil, respectively. Finally, we concluded that using wheat seeds of cv. Chamran treated with Carboxin thiram had no negative effects on mycorhizal symbiosis of wheat with the studied fungi.

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Claims 6

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Seed treatment with Carboxin thiram had no significant effect on yield components of wheat cv. Chamran.

Material
cv.Chamrane0
Treatment
seed treatment with Carboxin thirame0
Outcome
yield componentse0
Direction
no significant effecte0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“seed treatment with Carboxin thiram had no significant effect on yield components of wheat (cv.Chamran)”

✓ located verbatim in the source · abstract, characters 972–1075 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Inoculation with mycorrhizal fungi and use of Carboxin thiram significantly increased spore population in wheat (p<0.01).

Treatment
Inoculation with the mycorrhizal fungi and using Carboxin thirame0
Interactor
mycorrhizal fungie0symbiont
Outcome
spore populatione0
Direction
increasede0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Inoculation with the mycorrhizal fungi and using Carboxin thiram significantly increased spore population (p<0.01)”

✓ located verbatim in the source · abstract, characters 1077–1191 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 42–47 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Inoculation with mycorrhizal fungi and use of Carboxin thiram significantly increased root colonization in wheat (p<0.05).

Treatment
Inoculation with the mycorrhizal fungi and using Carboxin thirame0
Interactor
mycorrhizal fungie0symbiont
Outcome
root colonizatione0
Direction
increasede0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Inoculation with the mycorrhizal fungi and using Carboxin thiram significantly increased spore population (p<0.01) and root colonization (p<0.05)”

✓ located verbatim in the source · abstract, characters 1077–1222 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 42–47 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The maximum spore population in symbiosis, 34.37 spores per gram of soil, was produced by G. geosporum in the Carboxin thiram treatment.

Interactor
G.geosporumFunneliformis geosporume0symbiont
Outcome
Maximume0
Value
34.37e0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum and minimum spore population in symbiosis produced by G.geosporum and G.clarum fungi in Carboxin thiram treatment were 34.37 and 5 spores per gram of soil, respectively”

✓ located verbatim in the source · abstract, characters 1224–1400 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 42–47 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The minimum spore population in symbiosis, 5 spores per gram of soil, was produced by G. clarum in the Carboxin thiram treatment.

Interactor
G.clarumRhizophagus claruse0symbiont
Outcome
minimume0
Value
5 spores per gram of soile0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Maximum and minimum spore population in symbiosis produced by G.geosporum and G.clarum fungi in Carboxin thiram treatment were 34.37 and 5 spores per gram of soil, respectively”

✓ located verbatim in the source · abstract, characters 1224–1400 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 42–47 · show in text ↑
Intervention effectauthor interpretationoriginal resultno effectmeasured

Claim · model-written summary

The authors conclude that wheat seeds of cv. Chamran treated with Carboxin thiram had no negative effects on mycorrhizal symbiosis of wheat with the studied fungi.

Material
cv. Chamrane0
Treatment
treated with Carboxin thirame0
Outcome
mycorhizal symbiosise0
Direction
no negative effectse0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“using wheat seeds of cv. Chamran treated with Carboxin thiram had no negative effects on mycorhizal symbiosis of wheat with the studied fungi”

✓ located verbatim in the source · abstract, characters 1429–1570 · show in text ↑

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3 papers: 2 positive, 1 negative or no effect

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164 papers: 104 positive, 60 negative or no effect

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8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.