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“decrease in relative water content”

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low-phosphorus stress decreased biological and economic yield of wheat.

Taxon: wheatTriticum aestivume0
Treatment: low-phosphorus stresse1
Outcome: biological and economic yielde2
Direction: decreasede2
Qualifier: during the stage of tillering and bootinge0

Not reportedComparatorValue

Verbatim

e0
“The effect of low-phosphorus stress and drought stress during the stage of tillering and booting on growth of wheat (Triticum aestivum L.) was studied”
✓ located verbatim in the source · abstract, characters 0–150

e1
“low-phosphorus stress could sharply decrease the number of tillering,relative water capacity and the content of chlorphyll in leaves”
✓ located verbatim in the source · abstract, characters 175–307

e2
“the growth of wheat was inhibited,and the biological and economic yield were decreased”
✓ located verbatim in the source · abstract, characters 313–399

Title

Effects of low-phosphorus and drought stresses on growth of wheat (Triticum aestivum)

Zhang Shigong; Guodong Liu; Dou Yuqing; et al. Xibei zhiwu xuebao 2002

Other claims from this paper (4)

Intervention effect Low-phosphorus stress decreased tiller number, relative water capacity and leaf chlorophyll content of wheat.
Intervention effect Low-phosphorus stress inhibited the growth of wheat.
Intervention effect The growth inhibition caused by low phosphorus was bigger in resistant genotype Yanzhong 144 than in non-resistant Chinese Spring.
Association Drought during tillering and booting strengthened the effect of low phosphorus on wheat.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

UV-B combined with NaCl increased relative leakage ratio and lipid peroxidation (MDA) in wheat seedlings.

Taxon: wheatTriticum aestivume0
Material: Xiaoyan-926e0
Treatment: addition of NaCl and exposure to UV-B radiatione1
Outcome: relative leakage ratio and lipid peroxidatione2
Direction: increasee2
Qualifier: malondialdehyde (MDA)e2
Comparator: no addition of NaCl and no exposure to UV-B radiatione1

Verbatim

e0
“in wheat ( Triticum aestivum L. Xiaoyan-926) seedlings were studied”
✓ located verbatim in the source · abstract, characters 556–623

e1
“Four treatments were included in the experiment: no addition of NaCl and no exposure to UV-B radiation (CK), addition of NaCl (NaCl), exposure to UV-B radiation (UV-B), addition of NaCl and exposure to UV-B radiation (UV-B+NaCl)”
✓ located verbatim in the source · abstract, characters 625–853

e2
“The results showed that treatments of UV-B, NaCl and UV-B+NaCl all resulted into a decrease in plant height, biomass, water content, net photosynthetic rate, transpiration rate, stomatal conductance and contents of photosynthetic pigments, and into an increase in relative leakage ratio and lipid peroxidation, as quantified by measurement of malondialdehyde (MDA)”
✓ located verbatim in the source · abstract, characters 1245–1609

Title

Physiological and ecological effects of enhanced UV-B radiation on wheat seedling under NaCl stress condition

Cheng Liu Xibei zhiwu xuebao 2004

Other claims from this paper (18)

Intervention effect UV-B decreased plant height, biomass, water content of wheat seedlings relative to control.
Intervention effect UV-B decreased net photosynthetic rate, transpiration rate, stomatal conductance of wheat seedlings relative to control.
Intervention effect UV-B decreased contents of photosynthetic pigments of wheat seedlings relative to control.
Intervention effect NaCl decreased plant height, biomass, water content of wheat seedlings relative to control.
Intervention effect NaCl decreased net photosynthetic rate, transpiration rate, stomatal conductance of wheat seedlings relative to control.
Intervention effect NaCl decreased contents of photosynthetic pigments of wheat seedlings relative to control.
Intervention effect UV-B+NaCl decreased plant height, biomass, water content of wheat seedlings relative to control.
Intervention effect UV-B+NaCl decreased net photosynthetic rate, transpiration rate, stomatal conductance of wheat seedlings relative to control.
Intervention effect UV-B+NaCl decreased contents of photosynthetic pigments of wheat seedlings relative to control.
Intervention effect UV-B radiation increased relative leakage ratio and lipid peroxidation (MDA) in wheat seedlings.
Intervention effect NaCl increased relative leakage ratio and lipid peroxidation (MDA) in wheat seedlings.
Intervention effect Flavone contents increased under all stress conditions in wheat seedlings.
Intervention effect Activities of SOD, CAT and POD increased under all stress conditions in wheat seedlings.
Intervention effect UV-B reduced proline content in wheat seedlings.
Intervention effect NaCl enhanced proline content in wheat seedlings.
Intervention effect UV-B combined with NaCl enhanced proline content more than NaCl alone.
Association Most parameters did not differ significantly between NaCl and UV-B+NaCl treatments.
Mechanism UV-B did not obviously strengthen NaCl-induced inhibition of wheat seedlings, possibly because NaCl-induced flavone and proline enhancement offsets it.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Osmotic adjustment capacity was greater in younger leaves and stems of IP8210 than of IP8949 under drought.

Taxon: Pearl milletCenchrus americanuse0
Material: IP8210e3
Organ / stage: younger leaves and stemse3
Treatment: severe drought treatmente1
Outcome: capacity of osmotic adjustment (OA)e3
Direction: greatere3
Comparator: IP8949e3

Verbatim

e0
“Pearl millet, Pennisetum glaucum , is capable of adapting to severely dry environmental conditions”
✓ located verbatim in the source · abstract, characters 0–98

e1
“When these selected accessions were stressed with a severe drought treatment, the leaves of IP8210 exhibited upright folding, a response that effectively reduces the evaporative surface area of the canopy”
✓ located verbatim in the source · abstract, characters 389–593

e3
“In comparison with IP8949, the capacity of osmotic adjustment (OA) was greater in both younger leaves and stems of IP8210, while their decrease in relative water content was different”
✓ located verbatim in the source · abstract, characters 702–885

Title

Contribution of inorganic components to osmotic adjustment and leaf folding for drought tolerance in pearl millet

Masayuki Kusaka; Masaru Ohta; Tatsuhito Fujimura Physiologia Plantarum 2005. doi:10.1111/j.1399-3054.2005.00578.x

Other claims from this paper (10)

Intervention effect Leaves of the tolerant accession IP8210 exhibited upright folding under severe drought.
Intervention effect Leaves of the susceptible accession IP8949 wilted under drought stress.
Intervention effect The decrease in relative water content under drought differed between IP8210 and IP8949.
Intervention effect IP8210 accumulated higher NO3– concentrations than IP8949 under drought stress.
Observation Sucrose, glucose, quaternary ammonium compounds and amino acids including proline accumulated in pearl millet under drought.
Intervention effect IP8210 accumulated more amino acids than IP8949 under drought, mainly asparagine and proline.
Intervention effect IP8949 accumulated more soluble sugars than IP8210 under drought.
Mechanism K+ and NO3– may be the major components contributing to osmotic regulation in pearl millet.
Mechanism Sugars and amino acids may function as cytoprotectants in pearl millet under drought.
Mechanism Leaf folding, osmotic adjustment and NO3– and amino acid accumulation contribute to superior drought tolerance of IP8210 in pearl millet.

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