Paper · 2007 · Anhui nongye kexue

Fundamental Research on the Application of Rice Seed-coating-agent with the Composition of ABA and SA

Dajun Liu

7
claims
11
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

In lab experiment,the rice seed-coating-agent with the composition of 1.2 mg/kg ABA and 6 mg/kg SA was used to test the physiological and biochemical indexes of seed germination,seedling growth and seedling under low temperature treatment,with rinsing as the control.Determination showed that compared with the control,the tested rice seeds treated by ABA and SA coating-agent had the propertys of high seed germination percentage,high seed haleness,strong rooting ability and high ability of photosynthesis by chloroplast of unit chlorophyll content.Under low temperature stress,the rice seedling treated by ABA and SA coating-agent decreased the chlorophyll content(14%),with the decreasing degree being lower than CK(24%) and the hurting degree of root being smaller than CK;the proportion of thermal instability protein in seedling in total protein increased by 8.25% than normal temperature CK,with the increasing degree being higher than CK(6.39%);the ability of getting rid of active oxygen in treated seedlings was stronger than CK,indicating that the ability of low temperature resistance in treated seedlings being higher than CK.Determination of MDA and electrolyte permeability in rice seedling leaves also showed that the treated seedling enhanced the ability of low temperature resistance.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ABA and SA coating increased rice seed germination percentage, seed health and rooting ability relative to rinsing.

Treatment
ABA and SA coating-agente0
Outcome
seed germination percentage,high seed haleness,strong rooting abilitye0
Direction
highe0
Comparator
controle0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“compared with the control,the tested rice seeds treated by ABA and SA coating-agent had the propertys of high seed germination percentage,high seed haleness,strong rooting ability”

✓ located verbatim in the source · abstract, characters 293–472 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ABA and SA coating increased photosynthesis capacity per unit chlorophyll relative to the control.

Treatment
ABA and SA coating-agente0
Outcome
ability of photosynthesis by chloroplast of unit chlorophyll contente0
Direction
highe0
Comparator
controle0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“compared with the control,the tested rice seeds treated by ABA and SA coating-agent had the propertys of high seed germination percentage,high seed haleness,strong rooting ability and high ability of photosynthesis by chloroplast of unit chlorophyll content.”

✓ located verbatim in the source · abstract, characters 293–551 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under low temperature, coated rice seedlings lost 14% chlorophyll versus 24% in controls.

Treatment
ABA and SA coating-agente0
Outcome
chlorophyll contente0
Direction
decreasing degree being lowere0
Value
14%e0
Qualifier
24%e0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Under low temperature stress,the rice seedling treated by ABA and SA coating-agent decreased the chlorophyll content(14%),with the decreasing degree being lower than CK(24%)”

✓ located verbatim in the source · abstract, characters 551–724 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Coated rice seedlings had less root injury than controls under low temperature.

Treatment
ABA and SAt0
Outcome
hurting degree of roote0
Direction
smallere0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the hurting degree of root being smaller than CK”

✓ located verbatim in the source · abstract, characters 729–777 · show in text ↑
t0

“Rice Seed-coating-agent with the Composition of ABA and SA”

✓ located verbatim in the source · title, characters 43–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under low temperature, the thermal instability protein proportion increased 8.25% in coated seedlings versus 6.39% in controls.

Treatment
ABA and SAt0
Outcome
proportion of thermal instability protein in seedling in total proteine0
Direction
increasede0
Value
8.25%e0
Qualifier
6.39%e0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the proportion of thermal instability protein in seedling in total protein increased by 8.25% than normal temperature CK,with the increasing degree being higher than CK(6.39%)”

✓ located verbatim in the source · abstract, characters 778–953 · show in text ↑
t0

“Rice Seed-coating-agent with the Composition of ABA and SA”

✓ located verbatim in the source · title, characters 43–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Coated seedlings had stronger active oxygen removal than controls.

Treatment
ABA and SAt0
Outcome
ability of getting rid of active oxygene0
Direction
strongere0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the ability of getting rid of active oxygen in treated seedlings was stronger than CK”

✓ located verbatim in the source · abstract, characters 954–1039 · show in text ↑
t0

“Rice Seed-coating-agent with the Composition of ABA and SA”

✓ located verbatim in the source · title, characters 43–101 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Coated seedlings were interpreted to have higher low temperature resistance than controls.

Treatment
ABA and SAt0
Outcome
ability of low temperature resistancee0
Direction
highere0
Comparator
CKe0

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“the ability of low temperature resistance in treated seedlings being higher than CK”

✓ located verbatim in the source · abstract, characters 1056–1139 · show in text ↑
t0

“Rice Seed-coating-agent with the Composition of ABA and SA”

✓ located verbatim in the source · title, characters 43–101 · show in text ↑

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salicylic acid · physiology: photosynthesis · Oryza sativa (rice)Positive and negative results

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salicylic acid · disease · Oryza sativa (rice)Positive and negative results

31 papers: 26 positive, 5 negative or no effect

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8 of 13 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.