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“dry weight decrease”

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Organism: Hordeum vulgare ✕

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The growth regulator treatments did not significantly decrease dry weight per stem.

Taxon: winter barleyHordeum vulgaree0
Treatment: mepiquat chloride and ethephone6
Outcome: dry weight/steme5
Direction: did not decrease significantlye5

Not reportedComparator

Verbatim

e0
“six cultivars of winter barley grown in Belfast, UK, in 1986/87”
✓ located verbatim in the source · abstract, characters 203–266

e5
“The growth regulator treatments reduced plant height and although dry weight/stem did not decrease significantly, dry weight/unit length of stem was similar in treated and untreated plots”
✓ located verbatim in the source · abstract, characters 939–1126

e6
“Applications of nitrogen and a plant growth regulator (mepiquat chloride and ethephon) were used to manipulate stem structure”
✓ located verbatim in the source · abstract, characters 8–133

Title

Response of winter barley cultivars to nitrogen and a plant growth regulator in relation to lodging

E. M. White The Journal of Agricultural Science 1991. doi:10.1017/s0021859600077583

Other claims from this paper (11)

Observation Pipkin had a very high lodging damage susceptibility index (70), while the other cultivars ranged from 1 to 18.
Association Differences between cultivars in number of internodes, plant height and stem weight did not explain their differences in resistance to damage.
Observation Panda had dry weight per unit length of 2·35 mg/mm, among the strongest cultivars.
Observation Jennifer had dry weight per unit length of 2·34 mg/mm, among the strongest cultivars.
Observation Pipkin had dry weight per unit length of 1·75 mg/mm, the lowest among the cultivars.
Intervention effect Nitrogen application increased plant height.
Intervention effect Nitrogen application did not affect dry weight per main stem.
Intervention effect Nitrogen application decreased dry weight per unit length of stem.
Intervention effect The growth regulator treatments reduced plant height.
Intervention effect Dry weight per unit length of stem was similar in growth-regulator-treated and untreated plots.
Recommendation Dry weight per unit length has potential as an objective indicator of straw strength and could be used in cultivar evaluation in the absence of damage in field trials.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Dry root weight did not decrease in Tarm-92 after seven days of boron stress.

Taxon: barleyHordeum vulgaret0
Material: Tarm-92e1
Treatment: 7 days of B stresse1
Outcome: dry root weighte1
Direction: such a decrease was not observede1

Not reportedComparator

Verbatim

e1
“While the dry root weight of B?lb?l-89 was reduced after 7 days of B stress (p < 0.05), such a decrease was not observed in Tarm-92.”
✓ located verbatim in the source · abstract, characters 928–1060

t0
“Boron toxicity tolerance in barley may be related to intrinsically higher levels of reactive oxygen species in the shoots”
✓ located verbatim in the source · title, characters 0–121

Title

Boron toxicity tolerance in barley may be related to intrinsically higher levels of reactive oxygen species in the shoots

Şükrü Çatav; Eda Çetin; Emre Vural; et al. Botanica Serbica 2023. doi:10.2298/botserb2301113c

Other claims from this paper (8)

Intervention effect Boron treatment significantly raised barley boron concentration at both exposure times.
Observation Sensitive and tolerant barley had no drastic root or shoot boron concentration difference.
Intervention effect Seven days of boron stress reduced dry root weight of sensitive B?lb?l-89 barley.
Intervention effect Excess boron increased H2O2, MDA, proline, sugar, and anthocyanin contents in both barley cultivars during at least one period.
Observation Tarm-92 had greater H2O2 than B?lb?l-89 under control and boron stress.
Observation The cultivars did not differ in MDA content.
Observation The cultivars did not differ in radical scavenging capacity.
Intervention effect Four days of boron stress increased Tarm-92 seedling flavonoids by 35%.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Slight drought caused no statistically significant decline in shoot dry weight.

Taxon: Hordeum vulgare L.Hordeum vulgaret0
Treatment: slight droughte0
Outcome: shoot dry weighe0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Hordeum vulgare L.”
✓ located verbatim in the source · title, characters 24–42

e0
“No statistically significant decrease in shoot dry weigh was detected after slight drought”
✓ located verbatim in the source · abstract, characters 898–988

Title

Differences between C3 (Hordeum vulgare L.) and C4 (Panicum miliaceum L.) plants with respect to their resistance to water deficit.

Giedrė Vitkauskaitė; L. Venskaitytė Zemdirbyste-Agriculture 2011

Other claims from this paper (10)

Intervention effect Slight drought reduced barley height by 5.0% of control.
Intervention effect Severe drought reduced barley height by 15.4% of control.
Intervention effect Slight drought reduced millet height by 18.7%.
Intervention effect Severe drought reduced millet height by 28.9%.
Intervention effect Strong drought reduced barley shoot dry biomass by 12.7%.
Intervention effect Strong drought reduced millet shoot dry biomass by 17.7%.
Association Millet photosynthetic rate was less affected by drought than barley.
Association Millet had lower stomatal conductance, transpiration, intercellular CO2 and lipid peroxidation than barley.
Association Millet had higher water use efficiency than barley.
Association Barley growth and photosynthetic rate recovered better during re-watering than millet.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Dry weight per unit length of stem was similar in growth-regulator-treated and untreated plots.

Taxon: winter barleyHordeum vulgaree0
Treatment: mepiquat chloride and ethephone6
Outcome: dry weight/unit length of steme5
Direction: similare5
Comparator: untreated plotse5

Verbatim

e0
“six cultivars of winter barley grown in Belfast, UK, in 1986/87”
✓ located verbatim in the source · abstract, characters 203–266

e5
“The growth regulator treatments reduced plant height and although dry weight/stem did not decrease significantly, dry weight/unit length of stem was similar in treated and untreated plots”
✓ located verbatim in the source · abstract, characters 939–1126

e6
“Applications of nitrogen and a plant growth regulator (mepiquat chloride and ethephon) were used to manipulate stem structure”
✓ located verbatim in the source · abstract, characters 8–133

Title

Response of winter barley cultivars to nitrogen and a plant growth regulator in relation to lodging

E. M. White The Journal of Agricultural Science 1991. doi:10.1017/s0021859600077583

Other claims from this paper (11)

Observation Pipkin had a very high lodging damage susceptibility index (70), while the other cultivars ranged from 1 to 18.
Association Differences between cultivars in number of internodes, plant height and stem weight did not explain their differences in resistance to damage.
Observation Panda had dry weight per unit length of 2·35 mg/mm, among the strongest cultivars.
Observation Jennifer had dry weight per unit length of 2·34 mg/mm, among the strongest cultivars.
Observation Pipkin had dry weight per unit length of 1·75 mg/mm, the lowest among the cultivars.
Intervention effect Nitrogen application increased plant height.
Intervention effect Nitrogen application did not affect dry weight per main stem.
Intervention effect Nitrogen application decreased dry weight per unit length of stem.
Intervention effect The growth regulator treatments reduced plant height.
Intervention effect The growth regulator treatments did not significantly decrease dry weight per stem.
Recommendation Dry weight per unit length has potential as an objective indicator of straw strength and could be used in cultivar evaluation in the absence of damage in field trials.

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