Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

A 10% decrease in upper-canopy stomatal conductance corresponded to an 8.6% ET decrease.

Taxon: SoybeanGlycine maxt0
Organ / stage: Stomatal Conductancet0
Outcome: ETe0
Direction: decreasee0
Value: 8.6%e0

Verbatim

e0
“a 10% decrease in g(s) results in a 8.6% decrease in ET”
✓ located verbatim in the source · abstract, characters 1285–1340

t0
“Stomatal Conductance of Soybean”
✓ located verbatim in the source · title, characters 13–44

Title

Decreases in Stomatal Conductance of Soybean under Open-Air Elevation of [CO2] Are Closely Coupled with Decreases in Ecosystem Evapotranspiration

Carl J. Bernacchi; Bruce A. Kimball; Devin R. Quarles; et al. PLANT PHYSIOLOGY 2006. doi:10.1104/pp.106.089557

Other claims from this paper (4)

Intervention effect Elevated CO2 decreased ecosystem evapotranspiration by 9–16% across years.
Intervention effect Elevated CO2 increased photosynthesis.
Intervention effect Elevated CO2 increased seed yield.
Intervention effect Elevated CO2 did not change the stomatal-conductance and ET relationship.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

One cluster had a nonsignificant yield decrease with narrower rows.

Taxon: SoybeanGlycine maxt0
Treatment: RS narrowede0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“one had a nonsignificant yield decrease as RS narrowed.”
✓ located verbatim in the source · abstract, characters 1128–1183

t0
“Soybean”
✓ located verbatim in the source · title, characters 25–32

Title

Row Spacing in the Early Soybean Production System

Glenn R. Bowers; James L. Rabb; Lanny O. Ashlock; et al. Agronomy Journal 2000. doi:10.2134/agronj2000.923524x

Other claims from this paper (5)

Intervention effect Five environmental clusters had significant yield gains of 17–36% as rows narrowed.
Intervention effect Three other clusters had nonsignificant yield increases with narrower rows.
Intervention effect One cluster had virtually no yield change with narrower rows.
Association Yield responded most to row spacing at 100 to 270 mm July and August rainfall.
Recommendation The authors recommend rows at most 40 cm to optimize ESPS yields in the midsouthern USA.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Root length, surface area and volume followed a decrease, increase, then decrease pattern with increasing nitrogen dose.

Taxon: soybeanGlycine maxt0
Treatment: 施氮量的增加e0
Outcome: 大豆根长、根表面积和根体积e0
Direction: 先降后增而后又降低e0

Verbatim

e0
“大豆根长、根表面积和根体积随施氮量的增加表现为先降后增而后又降低的规律”
✓ located verbatim in the source · abstract, characters 245–280

t0
“soybean (Glycine max L.)”
✓ located verbatim in the source · title, characters 45–69

Title

Root morphology and nitrogen accumulation in soybean (Glycine max L.) under different nitrogen application levels

Shu-Qi WANG; Xiao-Zeng HAN; Yun-Fa QIAO; et al. CHINESE JOURNAL OF ECO-AGRICULTURE 2009. doi:10.3724/sp.j.1011.2009.01069

Other claims from this paper (10)

Intervention effect Nitrogen application significantly affected soybean biomass, nitrogen accumulation and root morphology.
Association As nitrogen dose increased, plant dry weight first rose and then fell.
Association As nitrogen dose increased, nitrogen accumulation first rose and then fell.
Association As nitrogen dose increased, per plant yield first rose and then fell.
Observation N100 gave the best overall response, followed by N200, N50, N25 and N0.
Intervention effect No nitrogen and low nitrogen treatments increased the soybean root to shoot ratio.
Intervention effect Excess nitrogen reduced the soybean root to shoot ratio.
Intervention effect Without nitrogen, soybean root length, surface area and volume exceeded those under low nitrogen.
Observation Soybean biomass and nitrogen accumulation ranked flowering above seedling above grain filling stages.
Observation Soybean root length, surface area and volume ranked flowering above seedling above grain filling stages.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

The decrease in chlorophyll a content was larger than the decrease in chlorophyll b content in soybean under Al stress.

Taxon: soybeanGlycine maxt0
Outcome: chlorophyll a contente5
Direction: decreasee5
Comparator: chlorophyll b contente5

Verbatim

t0
“Responses of growth and chlorophyll fluorescence characteristics of soybean to aluminum treatment”
✓ located verbatim in the source · title, characters 0–97

e5
“The chlorophyll content of soybean was enhanced under the low Al treatment,but reduced under high Al concentration and the decrease of chlorophyll a content was more than that of chlorophyll b content”
✓ located verbatim in the source · abstract, characters 797–997

Title

Responses of growth and chlorophyll fluorescence characteristics of soybean to aluminum treatment

XU Gen-di Zhongguo youliao zuowu xuebao 2007

Other claims from this paper (15)

Intervention effect Al treatment reduced dry matter, total root length and total root volume of soybean.
Intervention effect High Al concentration restrained root growth of soybean after 7 days.
Observation Symptoms of Al toxicity appeared on the above-ground system of soybean after 14 days.
Association Root tip activity of soybean increased with Al concentration.
Association Increasing Al concentration strengthened the absorption ability of soybean for water and mineral elements.
Association Plasma membrane permeability of soybean increased with Al concentration, reaching a maximum at 90 mg/L Al3+.
Intervention effect Chlorophyll content of soybean was enhanced under low Al treatment.
Intervention effect Chlorophyll content of soybean was reduced under high Al concentration.
Observation Minimal fluorescence (Fo) of soybean increased.
Association Maximum fluorescence (Fm) of soybean decreased with increasing Al concentration.
Association Maximal photochemical efficiency of PSII (Fv/Fm) of soybean decreased with increasing Al concentration.
Association Al stress could depress the stress-tolerant ability of soybean.
Association Al stress inhibited photosynthetic electron transport and photosynthesis rate of soybean.
Observation There were genotypic differences in Al response between the two soybean types.
Association Soybean Zhechun No 2 was more Al-tolerant than Zhechun No 3.

Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors interpret the ureide decline as a decrease in N fixation up to R1.

Taxon: SoybeanGlycine maxt0
Outcome: N fixatione0
Direction: decreasee0

Not reportedTreatmentComparator

Verbatim

e0
“indicating a decrease in N fixation up to that point in crop development”
✓ located verbatim in the source · abstract, characters 1167–1239

t0
“Soybean”
✓ located verbatim in the source · title, characters 0–7

Title

Soybean Growth Response to Low Rates of Nitrogen Applied at Planting in the Northern Great Plains

S. L. Osborne; W. E. Riedell Journal of Plant Nutrition 2006. doi:10.1080/01904160600686007

Other claims from this paper (6)

Intervention effect Soybean biomass increased significantly with increasing N rate at R1 and R7 in 2000 and 2001, and at R1 in 2002.
Intervention effect Ureide concentration and relative ureide decreased with increasing N rate at the R1 stage in all years.
Intervention effect The decrease in N fixation was not present at the R7 stage.
Intervention effect A significant increase in plant growth including yield was still present at R7.
Recommendation Starter fertilizer can positively impact soybean production in the cool conditions of the northern Great Plains.
Association The positive impact on plant growth and yield depends on in-season environmental conditions and time of planting.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Semi-determinate soybean varieties showed a bigger leaf area index decrease under successive cropping than determinate varieties.

Taxon: soybeanGlycine maxe3
Material: semi-determinate soybean varietiese3
Treatment: successive croppinge3
Outcome: leaf area indexe3
Direction: bigger decreasee3
Comparator: determinate growth habit soybean varietiese3

Verbatim

e3
“The leaf area index of soybean of successive cropping decreased in comparison with that of normal rotation,the decrease is relative to bearing habit,semi-determinate soybean varieties have a bigger decrease,determinate growth habit soybean varieties have a relatively smaller decrease”
✓ located verbatim in the source · abstract, characters 337–621

Title

Effect of Successive Cropping on Soybean Plant Type

Wang Hai-ying Liaoning nongye kexue 2006

Other claims from this paper (6)

Intervention effect Successive cropping had a slight effect on plant height, branch number and node number of soybean varieties.
Intervention effect Successive cropping had a significant effect on the height of podding of soybean varieties.
Intervention effect Leaf area index of soybean decreased under successive cropping compared with normal rotation.
Intervention effect Determinate soybean varieties showed a smaller leaf area index decrease under successive cropping than semi-determinate varieties.
Intervention effect Chlorophyll content of soybean was lower at the seedling and filling stages under successive cropping.
Intervention effect The rate of photosynthesis of soybean varieties decreased under successive cropping.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Determinate soybean varieties showed a smaller leaf area index decrease under successive cropping than semi-determinate varieties.

Taxon: soybeanGlycine maxe3
Material: determinate growth habit soybean varietiese3
Treatment: successive croppinge3
Outcome: leaf area indexe3
Direction: smaller decreasee3
Comparator: semi-determinate soybean varietiese3

Verbatim

e3
“The leaf area index of soybean of successive cropping decreased in comparison with that of normal rotation,the decrease is relative to bearing habit,semi-determinate soybean varieties have a bigger decrease,determinate growth habit soybean varieties have a relatively smaller decrease”
✓ located verbatim in the source · abstract, characters 337–621

Title

Effect of Successive Cropping on Soybean Plant Type

Wang Hai-ying Liaoning nongye kexue 2006

Other claims from this paper (6)

Intervention effect Successive cropping had a slight effect on plant height, branch number and node number of soybean varieties.
Intervention effect Successive cropping had a significant effect on the height of podding of soybean varieties.
Intervention effect Leaf area index of soybean decreased under successive cropping compared with normal rotation.
Intervention effect Semi-determinate soybean varieties showed a bigger leaf area index decrease under successive cropping than determinate varieties.
Intervention effect Chlorophyll content of soybean was lower at the seedling and filling stages under successive cropping.
Intervention effect The rate of photosynthesis of soybean varieties decreased under successive cropping.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In soybean leaves, photosynthesis decreased after NaCl concentration reached 40 mmol·L-1, with a decrease of CO2 assimilation rate as a major factor.

Taxon: soybeanGlycine maxe1
Treatment: NaCl concentration reached 40 mmol·L-1e1
Outcome: photosynthesise1
Direction: decreasee1
Qualifier: the decrease of the CO2 assimilation rate was a major factore1

Verbatim

e1
“when NaCl concentration reached 40 mmol·L-1,the decrease of the CO2 assimilation rate was a major factor for the decrease of the photosynthesis in the soybean leaves after salt stress”
✓ located verbatim in the source · abstract, characters 203–386

Title

Effects of Short-term NaCl Stress on Photosynthesis in Leaves of Glycine soja and Glycine max

Huiyuan Gao Dadou kexue 2009

Other claims from this paper (3)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sakukei 4 showed a marked decrease in dry matter production under waterlogging.

Taxon: SoybeanGlycine maxt0
Material: Sakukei 4e5
Treatment: Waterlogginge5
Outcome: Dry Matter Productione5
Direction: Marked Decreasee5

Not reportedComparator

Verbatim

t0
“Supernodulating Soybean Cultivar Sakukei 4”
✓ located verbatim in the source · title, characters 70–112

e5
“These Results indicate That Sakukei 4 Exhibits A Marked Decrease in Dry Matter Production By Waterlogging”
✓ located verbatim in the source · abstract, characters 1437–1542

Title

Effect of Waterlogging During Vegetative Stage On Growth And Yield in Supernodulating Soybean Cultivar Sakukei 4

Toshinori Matsunami; Gun-Ho Jung; Yukihiko Oki; et al. Plant Production Science 2007. doi:10.1626/pps.10.112

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

BR16 under 30 days of stress showed a decrease in the cortex:central cylinder ratio.

Taxon: soybeanGlycine maxt0
Material: BR16e5
Treatment: stressed for 30 dayse5
Outcome: cortex:central cylinder ratioe5
Direction: decreasee5

Not reportedComparator

Verbatim

t0
“soybean genotypes during water stress”
✓ located verbatim in the source · title, characters 57–94

e5
“it was observed a decrease in the cortex:central cylinder ratio in BR16 stressed for 30 days”
✓ located verbatim in the source · abstract, characters 673–765

Title

Morpho-anatomical and micromorphometrical evaluations in soybean genotypes during water stress

Renata Stolf; Moacyr Eurípedes Medri; José Antônio Pimenta; et al. Brazilian Archives of Biology and Technology 2009. doi:10.1590/s1516-89132009000600002

Other claims from this paper (6)

Observation Conquista plants were longer in total (shoot + root) than BR16 plants.
Intervention effect Lack of moisture adversely affected pod dry weight in soybean.
Intervention effect Lack of moisture decreased productivity even of Conquista plants.
Observation Both soybean cultivars showed normal development of root hairs.
Observation Both cultivars showed similar leaflet thickness and stomata distribution.
Mechanism Differences in drought tolerance between the two soybean cultivars seemed to relate to factors other than morphological traits.

“decrease in A”

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