Search claims · PlantClaims

Method / resourceobservedoriginal resultbasis n/a

Claim · model-written summary

The Amplex Red protocol measures H2O2 content in Arabidopsis root tissue, with the reagent reacting with H2O2 in a 1:1 stoichiometry.

Taxon: ArabidopsisArabidopsise0
Outcome: hydrogen peroxide (H2O2) contente0
Value: 1:1 stoichiometrye1

Not reportedComparator

Verbatim

e0
“measurement of hydrogen peroxide (H2O2) content in Arabidopsis root tissue”
✓ located verbatim in the source · abstract, characters 28–102

e1
“the Amplex® Red reagent reacts with H2O2 in a 1:1 stoichiometry”
✓ located verbatim in the source · abstract, characters 450–513

Title

Hydrogen Peroxide Measurement in Arabidopsis Root Tissue Using Amplex Red

Tzvetina Brumbarova; Cham Le; Petra Bauer BIO-PROTOCOL 2016. doi:10.21769/bioprotoc.1999

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Salt tolerance induced by H2O2 leaf pretreatment is attributed to reduced H2O2 content and maintained RWC and chlorophyll.

Taxon: maize plantsZea mayst0
Compound: H2O2e6
Outcome: salt tolerancee6
Qualifier: a reduction in the H2O2 content and maintenance of RWC and chlorophylle6

Verbatim

t0
“Enhanced salt tolerance in maize plants”
✓ located verbatim in the source · title, characters 0–39

e6
“the salt tolerance induced by H2O2 leaf pretreatment is attributed to a reduction in the H2O2 content and maintenance of RWC and chlorophyll in maize leaves”
✓ located verbatim in the source · abstract, characters 1233–1389

Title

Enhanced salt tolerance in maize plants induced by H2O2 leaf spraying is associated with improved gas exchange rather than with non-enzymatic antioxidant system

Franklin Aragão Gondim; Rafael de Souza Miranda; Enéas Gomes-Filho; et al. Theoretical and Experimental Plant Physiology 2013. doi:10.1590/s2197-00252013000400003

Other claims from this paper (8)

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Excessive H2O2 content is proposed to make cassava genotypes unable to survive drought.

Taxon: cassavaManihot esculentat0
Compound: H2O2e2
Outcome: survivee2
Qualifier: toxic to plant cellse2

Verbatim

t0
“Indonesian cassava”
✓ located verbatim in the source · title, characters 56–74

e2
“Some genotypes could not survive because the excessive content of H2O2 would be toxic to plant cells and disturb the plant growth”
✓ located verbatim in the source · abstract, characters 939–1068

Title

Morphological, physiological and molecular responses of Indonesian cassava to drought stress

Sholeh Avivi; Bella Rhea Lavifa Sanjaya; Shinjiro Ogita; et al. Australian Journal of Crop Science 2020. doi:10.21475/ajcs.20.14.11.p1961

Other claims from this paper (4)

Intervention effect Drought stress inhibited the growth of cassava.
Observation Some cassava genotypes could not survive drought stress.
Association Up-regulated expression of MeGBF3 and MeMSD is correlated with morphological and physiological responses of cassava to drought.
Observation Adira 1 and Kaspro are drought-tolerant cassava genotypes.

Mechanismhypothesisoriginal resultnegativebasis n/a

Claim · model-written summary

H2O2 primed seeds may be sensitive to salts, possibly through higher Na+ uptake and lower chlorophyll content.

Taxon: riceOryza sativae4
Treatment: H2O2 pre-treatmente4
Compound: Na+e4
Outcome: sensitivity of H2O2 primed seeds to saltse4
Qualifier: might be the result of higher Na+ uptakee4

Verbatim

e4
“Delayed germination and seedling growth with H2O2 pre-treatment indicates sensitivity of H2O2 primed seeds to salts and might be the result of higher Na+ uptake and less chlorophyll contents in rice seedlings”
✓ located verbatim in the source · abstract, characters 1180–1388

Title

Alleviation of salt stress in fine aromatic rice by seed priming

Irfan Afzal; Adeel Butt; Hafeez ur Rehman; et al. https://www.researchgate.net/profile/Hafeez_Rehman/publication/245322478_Alleviation_of_salt_stress_in_fine_aromatic_rice_by_seed_priming/links/0046351d70886150df000000.pdf 2012

Other claims from this paper (10)

Intervention effect Priming with CaCl2 followed by KCl was more effective in inducing salt tolerance of both rice cultivars.
Intervention effect Priming with CaCl2 followed by KCl enhanced germination capacity and speed of germination in saline medium.
Intervention effect Priming with CaCl2 followed by KCl enhanced seedling length and dry weight in saline medium.
Association Incremental salinity reduced total chlorophyll percentage by two fold in both rice cultivars.
Intervention effect CaCl2 primed seedlings of the salt tolerant cultivar had higher total chlorophyll percentage at all salinity levels.
Intervention effect CaCl2 primed seedlings had decreased leaf Na+ accumulation at moderate salinity.
Intervention effect CaCl2 primed seedlings had increased K+ uptake at moderate salinity.
Intervention effect H2O2 pre-treatment delayed germination and seedling growth under salinity.
Association Shaheen Basmati showed higher tolerance to salinity than Basmati-2000, with high Na+/K+ exclusion.
Recommendation Seed priming with CaCl2 seems more promising for inducing salinity tolerance in fine aromatic rice.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Physiological indices (H2O2, MDA and chlorophyll content), proline content and APX activity can serve as heat-resistance screening standards for cucumber plants.

Taxon: cucumber plantsCucumis sativuse1
Outcome: heat resistance screening standardse1
Qualifier: grown under high-temperature conditionse1

Verbatim

e0
“When cucumber plants (Cucumis sativus L.) are subjected to high-temperature environments”
✓ located verbatim in the source · abstract, characters 0–88

e1
“physiological indices (H2O2, MDA, and chlorophyll content), proline content, and APX activity can constitute the basis of heat resistance screening standards for cucumber plants grown under high-temperature conditions”
✓ located verbatim in the source · abstract, characters 1401–1618

Title

Effects of High Temperature on the Physiological and Antioxidation Abilities of Cucumber Seedlings

Yun Yang Chao Open Access Journal of Agricultural Research 2020. doi:10.23880/oajar-16000238

Other claims from this paper (10)

Observation Wen nong 210 sustained 50% relative injury at 54.1 °C, with the greatest cell membrane stability.
Observation CU-127 sustained 50% relative injury at 53.9 °C.
Observation Ks No. 3 sustained 50% relative injury at 52.8 °C.
Observation At 45 °C, Ks No. 3 had the highest malondialdehyde (MDA) content.
Observation At 45 °C, Ks No. 3 had the lowest chlorophyll content.
Observation At 45 °C, Wen nong 210 had low MDA content.
Observation At 45 °C, Wen nong 210 had high chlorophyll content.
Observation At 45 °C, Ks No. 3 had the lowest ascorbate peroxidase (APX) activity.
Observation At 45 °C, Wen nong 210 had the highest ascorbate peroxidase (APX) activity.
Observation At 35 °C, Ks No. 3 had high proline content.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The endodormancy-breaking effect of cyanamide involves elevation of H2O2, similar to chilling.

Taxon: Japanese peare0
Compound: H2O2e4
Outcome: endodormancy-breaking effecte4

Verbatim

e0
“Hydrogen peroxide (H2O2) content was determined in flower buds of Japanese pear (Pyrus pyrifolia Nakai cv. Kosui) trees under natural conditions during the development and their release from endodormancy”
✓ located verbatim in the source · abstract, characters 0–203

e4
“cyanamide treatments at concentrations that had no promoting effect on budbreak resulted in a decrease in H2O2 content during the experimental period. The cumulative budbreak 22 days after cyanamide treatment was positively correlated with H2O2 content six days after the treatment, indicating that the endodormancy-breaking effect of cyanamide involves the elevation of H2O2 similar to that of chilling temperatures”
✓ located verbatim in the source · abstract, characters 936–1352

Title

Changes in Hydrogen Peroxide Content in Flower Buds of Japanese Pear(Pyrus pyrifolia Nakai) in Relation to Breaking of Endodormancy.

Haruyuki Kuroda; Toshihiko Sugiura; Daiyu Ito Journal of the Japanese Society for Horticultural Science 2002. doi:10.2503/jjshs.71.610

Other claims from this paper (13)

Mechanismhypothesisoriginal resultpositivebasis n/a

Claim · model-written summary

H2O2 priming may improve growth of moderately salt-sensitive wheat such as G9 through promotion of chlorophyll B synthesis and reduction of Na+ content.

Taxon: WHEATTriticum aestivumt0
Material: G9e1
Treatment: application of H2O2 as a physiological priming factore1
Outcome: growth improvemente1
Qualifier: through promotion of Chlorophyll B synthesis and reduction of Na+ contente1

Verbatim

t0
“WHEAT (Triticum aestivum)”
✓ located verbatim in the source · title, characters 77–102

e1
“application of H2O2 as a physiological priming factor may play a significant role in growth improvement of moderately salt sensitive wheat genotypes such as G9 through promotion of Chlorophyll B synthesis and reduction of Na+ content”
✓ located verbatim in the source · abstract, characters 1570–1803

Title

HYDROGEN PEROXIDE AS A PRIMING AGENT FOR ALLEVIATING SOIL SALINITY STRESS ON WHEAT (Triticum aestivum) SEEDLINGS.

Amal H. Mahmoud Journal of Soil Sciences and Agricultural Engineering /Journal of Soil Sciences and Agricultural Engineering 2014. doi:10.21608/jssae.2014.49312

Other claims from this paper (17)

Intervention effect H2O2 at 0.10 mM stimulated germination of G9 by 10%.
Intervention effect H2O2 at 0.20 mM stimulated germination of G9 by 20%.
Intervention effect H2O2 at 0.1 mM increased fresh shoot weight of G9 by 9.92% compared with control.
Intervention effect H2O2 at 0.1 mM increased dry shoot weight of G9 by 7.70% compared with control.
Intervention effect H2O2 at 0.2 mM increased fresh shoot weight of G9 by 8.52% compared with control.
Intervention effect H2O2 at 0.2 mM increased dry shoot weight of G9 by 8.2% compared with control.
Intervention effect Irrigation with 0.1 mM H2O2-treated water increased tiller number of G9 by about 100%.
Intervention effect Irrigation with 0.1 mM H2O2-treated water increased tiller number of S93 by 22.2%.
Intervention effect H2O2 at 0.2 mM increased tiller number of G9 by 28.6%.
Intervention effect H2O2 at 0.2 mM decreased tiller number of S93 by 16.7%.
Association In S93, germination and fresh and dry weight showed negative effects under the H2O2 treatments.
Intervention effect Addition of 0.2 mM H2O2 decreased chlorophyll A content in both wheat cultivars.
Intervention effect In G9, 0.2 mM H2O2 promoted chlorophyll B and carotene content.
Intervention effect H2O2 application decreased Na+ content in both wheat cultivars.
Intervention effect H2O2 application did not markedly affect potassium content in either wheat cultivar.
Observation The K+/Na+ ratio of G9 was lower than that of S93 in all treatments.
Intervention effect H2O2 applications tended to increase the K+/Na+ ratio in both genotypes.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Suppression of ascorbate peroxidase and catalase enzymatic activities is proposed to explain the increase in H2O2 content in maize.

Taxon: maizeZea mayse0
Gene: ascorbate peroxidase and catalase enzymatic activitiese5
Outcome: H 2 O 2 contente5

Verbatim

e0
“leaves of maize seedlings treated with an inhibitor of nitric oxide synthase-like activity”
✓ located verbatim in the source · abstract, characters 554–644

e5
“inhibition of nitric oxide synthase-like activity, which suppresses ascorbate peroxidase and catalase enzymatic activities, results in increased H 2 O 2 content”
✓ located verbatim in the source · abstract, characters 1314–1474

Title

Inhibition of NOS- like activity in maize alters the expression of genes involved in H2O2 scavenging and glycine betaine biosynthesis

Kyle Phillips; Anelisa Majola; Arun Gokul; et al. Scientific Reports 2018. doi:10.1038/s41598-018-31131-z

Other claims from this paper (5)

Intervention effect In maize seedlings treated with a nitric oxide synthase inhibitor, transcript levels of betaine aldehyde dehydrogenase were decreased.
Intervention effect In maize plants treated with the nitric oxide synthase inhibitor, transcript levels of ascorbate peroxidase-encoding genes were down-regulated.
Intervention effect Catalase activity was suppressed in maize leaves treated with the nitric oxide synthase inhibitor.
Intervention effect The expression of catalase genes was suppressed in maize leaves treated with the nitric oxide synthase inhibitor.
Intervention effect Inhibition of nitric oxide synthase-like activity resulted in increased H 2 O 2 content in maize.

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

H2O2 can substitute for the chilling requirement in breaking endodormancy.

Taxon: Japanese peare0
Compound: H2O2e5
Outcome: substitute for the chilling requiremente5

Verbatim

e0
“Hydrogen peroxide (H2O2) content was determined in flower buds of Japanese pear (Pyrus pyrifolia Nakai cv. Kosui) trees under natural conditions during the development and their release from endodormancy”
✓ located verbatim in the source · abstract, characters 0–203

e5
“These results suggest that H2O2 can substitute for the chilling requirement, and that the increase in H2O2 levels may trigger the sequence of reactions involved in the breaking of endodormancy”
✓ located verbatim in the source · abstract, characters 1354–1546

Title

Changes in Hydrogen Peroxide Content in Flower Buds of Japanese Pear(Pyrus pyrifolia Nakai) in Relation to Breaking of Endodormancy.

Haruyuki Kuroda; Toshihiko Sugiura; Daiyu Ito Journal of the Japanese Society for Horticultural Science 2002. doi:10.2503/jjshs.71.610

Other claims from this paper (13)

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

An increase in H2O2 levels may trigger the sequence of reactions involved in breaking endodormancy.

Taxon: Japanese peare0
Compound: H2O2e5
Outcome: breaking of endodormancye5

Verbatim

e0
“Hydrogen peroxide (H2O2) content was determined in flower buds of Japanese pear (Pyrus pyrifolia Nakai cv. Kosui) trees under natural conditions during the development and their release from endodormancy”
✓ located verbatim in the source · abstract, characters 0–203

e5
“These results suggest that H2O2 can substitute for the chilling requirement, and that the increase in H2O2 levels may trigger the sequence of reactions involved in the breaking of endodormancy”
✓ located verbatim in the source · abstract, characters 1354–1546

Title

Changes in Hydrogen Peroxide Content in Flower Buds of Japanese Pear(Pyrus pyrifolia Nakai) in Relation to Breaking of Endodormancy.

Haruyuki Kuroda; Toshihiko Sugiura; Daiyu Ito Journal of the Japanese Society for Horticultural Science 2002. doi:10.2503/jjshs.71.610

Other claims from this paper (13)

“H2O2 content”

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