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“decrease in relative water content”

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Taxon: tea ✕

Taxon groups are the verbatim names found in the abstracts (case-insensitive), not normalised: maize, corn and Zea mays are separate groups here. The Organism view merges them through NCBI Taxonomy.

2010s 9

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

ZnSO4 before seven days without water minimized the drought decrease in relative water content (RWC).

Taxon: teae0
Material: TV-1, TV-17, and TV-29e0
Treatment: zinc sulfate (ZnSO4) treatmente0
Outcome: relative water content (RWC)e0
Direction: minimizede0
Qualifier: water withholding for 7 dayse0

Not reportedComparator

Verbatim

e0
“drought-induced decrease in relative water content (RWC), dry mass of leaf, and antioxidants such as ascorbate and glutathione in the tested tea clones (TV-1, TV-17, and TV-29) was minimized by zinc sulfate (ZnSO4) treatment before water withholding for 7 days.”
✓ located verbatim in the source · abstract, characters 370–631

Title

Zinc Modulates Drought-Induced Biochemical Damages in Tea [Camellia sinensis (L) O Kuntze]

Hrishikesh Upadhyaya; Biman Kumar Dutta; Sanjib Kumar Panda Journal of Agricultural and Food Chemistry 2013. doi:10.1021/jf304254z

Other claims from this paper (9)

Intervention effect ZnSO4 before seven days without water minimized the drought decrease in dry mass of leaf.
Intervention effect ZnSO4 before seven days without water minimized the drought decrease in ascorbate.
Intervention effect ZnSO4 before seven days without water minimized the drought decrease in glutathione.
Observation Under zinc treatment, phenolic content showed Increase.
Observation Under zinc treatment, hydrogen peroxide (H2O2) showed decrease.
Observation Under zinc treatment, lipid peroxidation showed decrease.
Observation Under zinc treatment, Zn uptake in leaf showed increased.
Observation Antioxidant enzyme activities differed during zinc modulation of drought damage.
Mechanism The authors infer zinc modulates drought mediated biochemical damage in tea.

Intervention effectobservedreview summarynegativebasis n/a

Claim · model-written summary

Drought stress decreased the relative water content of tea leaves.

Taxon: teat0
Treatment: Drought stresse0
Outcome: relative water content (RWC)e1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“ABIOTIC STRESS RESPONSES IN TEA”
✓ located verbatim in the source · title, characters 0–31

e0
“Drought stress caused increased water loss rate (WLR)”
✓ located verbatim in the source · abstract, characters 626–679

e1
“decrease in relative water content (RWC), dry mass, chlorophyll, carotenoid, and total phenolic contents of leaf and antioxidants like ascorbate and glutathione in tea”
✓ located verbatim in the source · abstract, characters 684–851

Title

ABIOTIC STRESS RESPONSES IN TEA [Camellia sinensis L (O) Kuntze]: AN OVERVIEW

Hrishikesh Upadhyaya; Sanjib K Panda Reviews in Agricultural Science 2013. doi:10.7831/ras.1.1

Other claims from this paper (12)

Intervention effect Drought stress increased the water loss rate of tea.
Intervention effect Drought stress decreased dry mass, chlorophyll and carotenoid of tea leaves.
Intervention effect Drought stress decreased total phenolic contents, ascorbate and glutathione of tea leaves.
Observation Leaf antioxidant enzymes of tea showed differential activities.
Intervention effect Progressive drought stress increased ROS and lipid peroxidation in tea.
Intervention effect Progressive drought stress decreased POX activities in tea.
Intervention effect Drought stress decreased leaf Zn, Ca and Na contents in tea.
Intervention effect Drought stress decreased leaf Fe, Mg and K contents in tea.
Intervention effect Tea plants exposed to heavy metals showed reduced growth and antioxidative responses.
Observation Tea plants recover on rehydration after drought, so drought-induced biochemical damage is not permanent.
Intervention effect Foliar spray of K, Ca and Zn significantly improved antioxidant potential during post-drought recovery in tea.
Recommendation Drought tolerance and post-drought recovery of tea can be improved by applying K, Ca, Zn and B.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Relative water content declined as soil moisture decreased in all scions.

Taxon: Teat0
Treatment: soil moisture contente0
Outcome: Relative water contente0
Direction: declinede0
Qualifier: R2 = 0.9915, P<0.001e0

Verbatim

e0
“Relative water content declined with decrease in soil moisture content (R2 = 0.9915, P<0.001) in all the scions.”
✓ located verbatim in the source · abstract, characters 913–1025

t0
“Tea”
✓ located verbatim in the source · title, characters 23–26

Title

Responses of Composite Tea to Progressive Drought

J. K. Bore; W. K. Ng’etich; Peter Masinde; et al. Chaye kexue 2014

Other claims from this paper (13)

Intervention effect Reduced soil moisture reduced leaf water potential in all clones.
Observation Diurnal differences in leaf water potential were more pronounced at 12.5% v/v soil moisture.
Association Mean leaf water potential increased as soil moisture declined.
Observation Composite tea may suffer water stress below 30% v/v soil moisture.
Recommendation The authors recommend short exposure at low soil moisture.
Recommendation TRFK 57/15 was identified as a rootstock for potential commercialisation.
Recommendation TRFK 8/112 was identified as a rootstock for potential commercialisation.
Recommendation TRFCA SFS 150 was identified as a rootstock for potential commercialisation.
Recommendation EPK TN 14-3 was identified as a rootstock for potential commercialisation.
Observation AHP S15/10 was more susceptible to water stress among scions.
Observation Total chlorophyll content varied between clones.
Association Total chlorophyll content decreased as soil moisture increased.
Intervention effect Rootstocks did not affect chlorophyll content.

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“decrease in relative water content”

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2010s 9