Search claims · PlantClaims

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Increasing plant density decreased leaf angle in maize.

Taxon: MaizeZea mayst0
Treatment: Increasing plant densitye1
Outcome: leaf anglee1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“Morphological Variation of Maize Cultivars”
✓ located verbatim in the source · title, characters 0–42

e1
“Increasing plant density resulted in a decrease in leaf angle; however, an increase in LOV”
✓ located verbatim in the source · abstract, characters 1180–1270

Title

Morphological Variation of Maize Cultivars in Response to Elevated Plant Densities

Ling Gou; Jun Xue; Bingqin Qi; et al. Agronomy Journal 2017. doi:10.2134/agronj2016.11.0675

Other claims from this paper (12)

Intervention effect Leaf length and width of maize decreased as plant density increased.
Intervention effect In maize, leaf width decreased more than leaf length under increased plant density.
Association Changes in leaf dimensions caused the leaf area of maize to decline.
Intervention effect Increasing plant density increased the leaf orientation value (LOV) above the ear in maize.
Association Leaf spacing below the ear of maize increased as plant density increased.
Association Ear height and plant height coefficient of maize increased with increasing plant density.
Intervention effect Leaves above the ear became more upright in maize as plant density increased.
Intervention effect Light intensity within the maize canopy decreased with increasing plant density.
Association Canopy leaf changes in maize were more affected above the ear than below the ear as plant density increased.
Observation Leaf area index of maize increased from the top and the bottom of the canopy.
Observation Leaf angle of maize generally decreased from the bottom to the top of the canopy.
Observation Leaf orientation value (LOV) of maize showed the opposite trend to leaf angle.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Total ear florets, silking florets, and silking rates decreased slightly as density increased.

Taxon: maizeZea mayst0
Treatment: plant density increasinge0
Outcome: Total florets, silking florets, and silking rates of eare0
Direction: decreasee0

Verbatim

e0
“Total florets, silking florets, and silking rates of ear showed slightly decrease trends with the plant density increasing”
✓ located verbatim in the source · abstract, characters 973–1095

t0
“maize”
✓ located verbatim in the source · title, characters 26–31

Title

How plant density affects maize spike differentiation, kernel set, and grain yield formation in Northeast China?

Ming ZHANG; Tao CHEN; Hojatollah Latifmanesh; et al. Journal of Integrative Agriculture 2018. doi:10.1016/s2095-3119(17)61877-x

Other claims from this paper (12)

Intervention effect Plant density had no significant effect on initial tassel and ear differentiation time.
Intervention effect Higher density delayed tassel and ear development during floret differentiation and sexual organ formation.
Intervention effect ZD909 had a longer anthesis-silking interval at higher density than at D1.
Intervention effect JD209 had a longer anthesis-silking interval at higher density than at D1.
Intervention effect ND4 had a longer anthesis-silking interval at higher density than at D1.
Intervention effect ZD909 had fewer normal kernels at increased density than at D1.
Intervention effect JD209 had fewer normal kernels at increased density than at D1.
Intervention effect ND4 had fewer normal kernels at increased density than at D1.
Association ZD909 100-kernel weight declined less than JD209 and ND4 as density increased.
Observation ZD909 reached its highest grain yield at the stated planting density.
Observation JD209 reached its highest grain yield at the stated planting density.
Observation ND4 reached its highest grain yield at the stated planting density.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

In maize, leaf width decreased more than leaf length under increased plant density.

Taxon: MaizeZea mayst0
Treatment: plant densitye2
Outcome: decrease in widthe1
Direction: greatere1
Comparator: in lengthe1

Verbatim

t0
“Morphological Variation of Maize Cultivars”
✓ located verbatim in the source · title, characters 0–42

e1
“The decrease in width was greater than in length”
✓ located verbatim in the source · abstract, characters 1074–1122

e2
“The leaf length and width decreased as plant density increased”
✓ located verbatim in the source · abstract, characters 1010–1072

Title

Morphological Variation of Maize Cultivars in Response to Elevated Plant Densities

Ling Gou; Jun Xue; Bingqin Qi; et al. Agronomy Journal 2017. doi:10.2134/agronj2016.11.0675

Other claims from this paper (12)

Intervention effect Leaf length and width of maize decreased as plant density increased.
Association Changes in leaf dimensions caused the leaf area of maize to decline.
Intervention effect Increasing plant density decreased leaf angle in maize.
Intervention effect Increasing plant density increased the leaf orientation value (LOV) above the ear in maize.
Association Leaf spacing below the ear of maize increased as plant density increased.
Association Ear height and plant height coefficient of maize increased with increasing plant density.
Intervention effect Leaves above the ear became more upright in maize as plant density increased.
Intervention effect Light intensity within the maize canopy decreased with increasing plant density.
Association Canopy leaf changes in maize were more affected above the ear than below the ear as plant density increased.
Observation Leaf area index of maize increased from the top and the bottom of the canopy.
Observation Leaf angle of maize generally decreased from the bottom to the top of the canopy.
Observation Leaf orientation value (LOV) of maize showed the opposite trend to leaf angle.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High planting density decreased the mechanical strength of basal internodes of maize.

Taxon: maizeZea mayst0
Treatment: high-density (H) treatmente3
Outcome: mechanical strength of basal internodese5
Direction: a decreasee5
Comparator: low-density (L) treatmente3
Setting: field experimente0

Verbatim

t0
“densely planted maize”
✓ located verbatim in the source · title, characters 112–133

e0
“A three-year field experiment was conducted”
✓ located verbatim in the source · abstract, characters 625–668

e3
“Compared to the low-density (L) treatment, the height parameters and center of gravity of summer maize under the high-density (H) treatment were significantly elevated”
✓ located verbatim in the source · abstract, characters 1125–1292

e5
“a decrease in the mechanical strength of basal internodes”
✓ located verbatim in the source · abstract, characters 1398–1455

Title

Optimizing plant morphology to enhance canopy light distribution improves lodging resistance and grain yield in densely planted maize

Jiyu Zhao; Wenjie Geng; Yuqi Xue; et al. Journal of Integrative Agriculture 2025. doi:10.1016/j.jia.2025.03.012

Other claims from this paper (9)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Increasing plant density increased the leaf orientation value (LOV) above the ear in maize.

Taxon: MaizeZea mayst0
Treatment: Increasing plant densitye1
Outcome: LOVe1
Direction: increasee1

Not reportedComparator

Verbatim

t0
“Morphological Variation of Maize Cultivars”
✓ located verbatim in the source · title, characters 0–42

e1
“Increasing plant density resulted in a decrease in leaf angle; however, an increase in LOV”
✓ located verbatim in the source · abstract, characters 1180–1270

Title

Morphological Variation of Maize Cultivars in Response to Elevated Plant Densities

Ling Gou; Jun Xue; Bingqin Qi; et al. Agronomy Journal 2017. doi:10.2134/agronj2016.11.0675

Other claims from this paper (12)

Intervention effect Leaf length and width of maize decreased as plant density increased.
Intervention effect In maize, leaf width decreased more than leaf length under increased plant density.
Association Changes in leaf dimensions caused the leaf area of maize to decline.
Intervention effect Increasing plant density decreased leaf angle in maize.
Association Leaf spacing below the ear of maize increased as plant density increased.
Association Ear height and plant height coefficient of maize increased with increasing plant density.
Intervention effect Leaves above the ear became more upright in maize as plant density increased.
Intervention effect Light intensity within the maize canopy decreased with increasing plant density.
Association Canopy leaf changes in maize were more affected above the ear than below the ear as plant density increased.
Observation Leaf area index of maize increased from the top and the bottom of the canopy.
Observation Leaf angle of maize generally decreased from the bottom to the top of the canopy.
Observation Leaf orientation value (LOV) of maize showed the opposite trend to leaf angle.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Under different densities, maize line MC812 showed a 17.2-20.0% decrease in projected area compared with ZD958.

Taxon: maizeZea mayst0
Material: MC812e4
Treatment: different densitiese4
Outcome: PJAe4
Direction: decreasee4
Value: 17.2-20.0%e4
Comparator: ZD958e4

Verbatim

t0
“maize”
✓ located verbatim in the source · title, characters 107–112

e4
“Under different densities, MC812 and JNK728 showed 17.2-20.0% and 6.2-7.6% decrease in PJA, and 20.0-26.5% and 15.4-21.1% decrease in NVP compared to ZD958”
✓ located verbatim in the source · abstract, characters 1403–1558

Title

A study on response of planting density to 3D plant shape plasticity and population light transmittance of maize

Guangtao Wang; Guanmin Huang; Weiliang Wen; et al. Journal of Integrative Agriculture 2025. doi:10.1016/j.jia.2025.05.011

Other claims from this paper (16)

Intervention effect At V9 stage, medium planting density increased maize plant side width by 7.2% compared with low planting density.
Intervention effect At V9 stage, medium planting density increased convex hull volume by 11.4% compared with low planting density.
Intervention effect High planting density increased maize plant side width by 4.2% compared with medium planting density.
Intervention effect High planting density increased maize convex hull volume by 17.8% compared with medium planting density.
Observation Similar changes in maize architecture were maintained at the V13 stage.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 6.2% from low to medium planting density.
Intervention effect At silking stage, projected area decreased by 11.9% from low to medium planting density.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 4.9% from medium to high planting density.
Intervention effect At silking stage, projected area decreased by 3.6% from medium to high planting density.
Intervention effect Under different densities, maize line JNK728 showed a 6.2-7.6% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line MC812 showed a 20.0-26.5% decrease in voxel volume per plant compared with ZD958.
Intervention effect Under different densities, maize line JNK728 showed a 15.4-21.1% decrease in voxel volume per plant compared with ZD958.
Method / resource The support vector regression light transmittance model predicted bottom canopy light transmittance reliably.
Method / resource The 3D canopy model simulated population light distribution with reasonable accuracy.
Association NVP and PJA were identified as critical parameters affecting bottom canopy light transmittance in maize.
Recommendation NVP and PJA are suggested as 3D selection indices for maize density tolerance breeding.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Under different densities, maize line JNK728 showed a 6.2-7.6% decrease in projected area compared with ZD958.

Taxon: maizeZea mayst0
Material: JNK728e4
Treatment: different densitiese4
Outcome: PJAe4
Direction: decreasee4
Value: 6.2-7.6%e4
Comparator: ZD958e4

Verbatim

t0
“maize”
✓ located verbatim in the source · title, characters 107–112

e4
“Under different densities, MC812 and JNK728 showed 17.2-20.0% and 6.2-7.6% decrease in PJA, and 20.0-26.5% and 15.4-21.1% decrease in NVP compared to ZD958”
✓ located verbatim in the source · abstract, characters 1403–1558

Title

A study on response of planting density to 3D plant shape plasticity and population light transmittance of maize

Guangtao Wang; Guanmin Huang; Weiliang Wen; et al. Journal of Integrative Agriculture 2025. doi:10.1016/j.jia.2025.05.011

Other claims from this paper (16)

Intervention effect At V9 stage, medium planting density increased maize plant side width by 7.2% compared with low planting density.
Intervention effect At V9 stage, medium planting density increased convex hull volume by 11.4% compared with low planting density.
Intervention effect High planting density increased maize plant side width by 4.2% compared with medium planting density.
Intervention effect High planting density increased maize convex hull volume by 17.8% compared with medium planting density.
Observation Similar changes in maize architecture were maintained at the V13 stage.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 6.2% from low to medium planting density.
Intervention effect At silking stage, projected area decreased by 11.9% from low to medium planting density.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 4.9% from medium to high planting density.
Intervention effect At silking stage, projected area decreased by 3.6% from medium to high planting density.
Intervention effect Under different densities, maize line MC812 showed a 17.2-20.0% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line MC812 showed a 20.0-26.5% decrease in voxel volume per plant compared with ZD958.
Intervention effect Under different densities, maize line JNK728 showed a 15.4-21.1% decrease in voxel volume per plant compared with ZD958.
Method / resource The support vector regression light transmittance model predicted bottom canopy light transmittance reliably.
Method / resource The 3D canopy model simulated population light distribution with reasonable accuracy.
Association NVP and PJA were identified as critical parameters affecting bottom canopy light transmittance in maize.
Recommendation NVP and PJA are suggested as 3D selection indices for maize density tolerance breeding.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Under different densities, maize line MC812 showed a 20.0-26.5% decrease in voxel volume per plant compared with ZD958.

Taxon: maizeZea mayst0
Material: MC812e4
Treatment: different densitiese4
Outcome: NVPe4
Direction: decreasee4
Value: 20.0-26.5%e4
Comparator: ZD958e4

Verbatim

t0
“maize”
✓ located verbatim in the source · title, characters 107–112

e4
“Under different densities, MC812 and JNK728 showed 17.2-20.0% and 6.2-7.6% decrease in PJA, and 20.0-26.5% and 15.4-21.1% decrease in NVP compared to ZD958”
✓ located verbatim in the source · abstract, characters 1403–1558

Title

A study on response of planting density to 3D plant shape plasticity and population light transmittance of maize

Guangtao Wang; Guanmin Huang; Weiliang Wen; et al. Journal of Integrative Agriculture 2025. doi:10.1016/j.jia.2025.05.011

Other claims from this paper (16)

Intervention effect At V9 stage, medium planting density increased maize plant side width by 7.2% compared with low planting density.
Intervention effect At V9 stage, medium planting density increased convex hull volume by 11.4% compared with low planting density.
Intervention effect High planting density increased maize plant side width by 4.2% compared with medium planting density.
Intervention effect High planting density increased maize convex hull volume by 17.8% compared with medium planting density.
Observation Similar changes in maize architecture were maintained at the V13 stage.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 6.2% from low to medium planting density.
Intervention effect At silking stage, projected area decreased by 11.9% from low to medium planting density.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 4.9% from medium to high planting density.
Intervention effect At silking stage, projected area decreased by 3.6% from medium to high planting density.
Intervention effect Under different densities, maize line MC812 showed a 17.2-20.0% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line JNK728 showed a 6.2-7.6% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line JNK728 showed a 15.4-21.1% decrease in voxel volume per plant compared with ZD958.
Method / resource The support vector regression light transmittance model predicted bottom canopy light transmittance reliably.
Method / resource The 3D canopy model simulated population light distribution with reasonable accuracy.
Association NVP and PJA were identified as critical parameters affecting bottom canopy light transmittance in maize.
Recommendation NVP and PJA are suggested as 3D selection indices for maize density tolerance breeding.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Under different densities, maize line JNK728 showed a 15.4-21.1% decrease in voxel volume per plant compared with ZD958.

Taxon: maizeZea mayst0
Material: JNK728e4
Treatment: different densitiese4
Outcome: NVPe4
Direction: decreasee4
Value: 15.4-21.1%e4
Comparator: ZD958e4

Verbatim

t0
“maize”
✓ located verbatim in the source · title, characters 107–112

e4
“Under different densities, MC812 and JNK728 showed 17.2-20.0% and 6.2-7.6% decrease in PJA, and 20.0-26.5% and 15.4-21.1% decrease in NVP compared to ZD958”
✓ located verbatim in the source · abstract, characters 1403–1558

Title

A study on response of planting density to 3D plant shape plasticity and population light transmittance of maize

Guangtao Wang; Guanmin Huang; Weiliang Wen; et al. Journal of Integrative Agriculture 2025. doi:10.1016/j.jia.2025.05.011

Other claims from this paper (16)

Intervention effect At V9 stage, medium planting density increased maize plant side width by 7.2% compared with low planting density.
Intervention effect At V9 stage, medium planting density increased convex hull volume by 11.4% compared with low planting density.
Intervention effect High planting density increased maize plant side width by 4.2% compared with medium planting density.
Intervention effect High planting density increased maize convex hull volume by 17.8% compared with medium planting density.
Observation Similar changes in maize architecture were maintained at the V13 stage.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 6.2% from low to medium planting density.
Intervention effect At silking stage, projected area decreased by 11.9% from low to medium planting density.
Intervention effect At silking stage, the number of voxel volume per plant decreased by 4.9% from medium to high planting density.
Intervention effect At silking stage, projected area decreased by 3.6% from medium to high planting density.
Intervention effect Under different densities, maize line MC812 showed a 17.2-20.0% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line JNK728 showed a 6.2-7.6% decrease in projected area compared with ZD958.
Intervention effect Under different densities, maize line MC812 showed a 20.0-26.5% decrease in voxel volume per plant compared with ZD958.
Method / resource The support vector regression light transmittance model predicted bottom canopy light transmittance reliably.
Method / resource The 3D canopy model simulated population light distribution with reasonable accuracy.
Association NVP and PJA were identified as critical parameters affecting bottom canopy light transmittance in maize.
Recommendation NVP and PJA are suggested as 3D selection indices for maize density tolerance breeding.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Kernel weight rose 0.09 to 0.28 mg per kernel for each unit decline in kernel number, depending on density and genotype.

Taxon: maizeZea mayst0
Outcome: KWe0
Direction: increasede0
Value: 0.09 to 0.28 mg kernel −1e0
Comparator: KNPe0

Verbatim

e0
“KW increased between 0.09 to 0.28 mg kernel −1 per unit decrease in KNP, depending on stand density and genotype”
✓ located verbatim in the source · abstract, characters 815–927

t0
“Maize Kernel Weight Response to Postflowering Source–Sink Ratio”
✓ located verbatim in the source · title, characters 0–63

Title

Maize Kernel Weight Response to Postflowering Source–Sink Ratio

Lucas Borrás; María E. Otegui Crop Science 2001. doi:10.2135/cropsci2001.1816

Other claims from this paper (10)

“decrease in density”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics