Paper · 2014 · JOURNAL OF HUNAN AGRICULTURAL UNIVERSITY

Influence of exogenous brassinolide on the growth and resistance of maize seedling with preservative stress

HU Chun-hon

7
claims
8
verbatim quotes
6
citations
1
research areas
—
Not open access

Abstract

In order to investigate the right dose of exogenous brassinolide on alleviating the compound preservative(the mass ratio of sodium benzoate to potassium sorbate was 2∶3) stress, maize seedling was employed to test its response to various concentration of brassinolide by improved soil culture. The results showed that compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed, plant dwarfed, chlorophyll content declined, root vigor lowered, and membrane peroxidation exacerbated. However, the resistance of maize seedlings to compound preservative could improve with applied appropriate concentration of brassinolide as well as alleviated its stress. The best concentration of brassinolide to alleviate the stress of compound preservative was 0.12 mg/L.

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Claims 7

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preservative stress delayed maize seedling emergence.

Taxon
maizeZea mayse0
Treatment
compound preservative with 10.0 g/L concentratione0
Outcome
seedling emergencee0
Direction
delayede0

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

“compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed”

✓ located verbatim in the source · abstract, characters 318–460 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preservative stress dwarfed maize plants.

Taxon
maizeZea mayse0
Treatment
compound preservative with 10.0 g/L concentratione0
Outcome
plant dwarfede0
Direction
dwarfede0

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

“compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed, plant dwarfed”

✓ located verbatim in the source · abstract, characters 318–475 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preservative stress reduced maize chlorophyll content.

Taxon
maizeZea mayse0
Treatment
compound preservative with 10.0 g/L concentratione0
Outcome
chlorophyll contente0
Direction
declinede0

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

“compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed, plant dwarfed, chlorophyll content declined”

✓ located verbatim in the source · abstract, characters 318–505 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preservative stress reduced maize root vigor.

Taxon
maizeZea mayse0
Treatment
compound preservative with 10.0 g/L concentratione0
Outcome
root vigore0
Direction
lowerede0

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

“compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed, plant dwarfed, chlorophyll content declined, root vigor lowered”

✓ located verbatim in the source · abstract, characters 318–525 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preservative stress exacerbated maize membrane peroxidation.

Taxon
maizeZea mayse0
Treatment
compound preservative with 10.0 g/L concentratione0
Outcome
membrane peroxidatione0
Direction
exacerbatede0

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

“compound preservative with 10.0 g/L concentration had a significant inhibition on maize seedling, which resulted in seedling emergence delayed, plant dwarfed, chlorophyll content declined, root vigor lowered, and membrane peroxidation exacerbated”

✓ located verbatim in the source · abstract, characters 318–564 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Appropriate brassinolide concentration improved maize seedling resistance to preservative stress.

Taxon
maizeZea mayse0
Treatment
applied appropriate concentration of brassinolidee0
Outcome
resistance of maize seedlings to compound preservativee0
Direction
improvee0

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 resistance of maize seedlings to compound preservative could improve with applied appropriate concentration of brassinolide as well as alleviated its stress”

✓ located verbatim in the source · abstract, characters 575–735 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Brassinolide at 0.12 mg/L was the best concentration to alleviate preservative stress in maize.

Taxon
maizeZea mayst0
Outcome
best concentration of brassinolide to alleviate the stress of compound preservativee0
Value
0.12 mg/Le0

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 best concentration of brassinolide to alleviate the stress of compound preservative was 0.12 mg/L.”

✓ located verbatim in the source · abstract, characters 737–839 · show in text ↑
t0

“maize seedling”

✓ located verbatim in the source · title, characters 68–82 · show in text ↑

brassinolide · disease · Zea mays (maize)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

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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.