Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher nitrogen tended to decrease filled grain number, seed setting rate, and thousand grain weight in early rice.

Taxon: RiceOryza sativat0
Treatment: nitrogen fertilizer ratee0
Outcome: filled grain number,seed setting rate,1 000 grains weighte0
Direction: decreasing tendencye0

Not reportedComparator

Verbatim

e0
“increasing nitrogen fertilizer rate for early rice can increase effective panicle number and total grain number per panicle,but filled grain number,seed setting rate,1 000 grains weight had the decreasing tendency”
✓ located verbatim in the source · abstract, characters 271–484

t0
“Rice”
✓ located verbatim in the source · title, characters 98–102

Title

Effects of Different Nitrogen Fertilizer Rates on Agronomic Traits and Nitrogen Use Efficiency of Rice in Southern Hunan

Qin DaoZhu Hunan Agricultural Sciences 2011

Other claims from this paper (12)

Intervention effect Higher nitrogen increased effective panicle and total grain numbers in early rice.
Intervention effect Higher nitrogen decreased effective panicle number, seed setting rate, and thousand grain weight in late rice.
Intervention effect Higher nitrogen increased total grain number per panicle in late rice.
Intervention effect Higher nitrogen increased early rice yield and net income.
Observation The highest yield for early rice was associated with 240.7 kg/hm2.
Observation The economical nitrogen fertilizer rate for early rice was associated with 220.1 kg/hm2.
Observation The highest yield for late rice was associated with 122.3 kg/hm2.
Observation The economical nitrogen fertilizer rate for late rice was associated with 104.2 kg/hm2.
Intervention effect Higher nitrogen decreased late rice yield and net income.
Observation Late rice yield and net income were highest under nitrogen reduction.
Intervention effect Higher nitrogen increased early rice nitrogen absorption and use efficiency.
Intervention effect Higher nitrogen had no significant effect on late rice nitrogen absorption and use efficiency.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In the 5-year PK applied plot, the percentage of ripened grains and grain weight tended to decrease as nitrogen levels increased.

Taxon: rice plantsOryza sativae0
Treatment: nitrogen levelse1
Outcome: percentage of ripened grains and grain weighte1
Direction: tended to decreasee1

Verbatim

e0
“rice plants grown in 5-year differently fertilized soils”
✓ located verbatim in the source · abstract, characters 111–167

e1
“the number of panicle per hill increased, but the percentage of ripened grains and grain weight tended to decrease as nitrogen levels increase”
✓ located verbatim in the source · abstract, characters 1102–1244

Title

Effects of N, $P_{2}O_{5}$ and $K_{2}O$ Top Dressing at Panicle Initiation Stage of Rice Plants in Differently Fertilized Soil

Jung-Il Lee; Eun-Woong Lee The Korean Journal of Crop Science 1980

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delayed sowing decreased grain yield per plant by 18.93%.

Taxon: sorghumSorghumt0
Treatment: Delayed sowinge0
Outcome: grain yield per plante0
Direction: decreasee0
Value: 18.93%e0

Not reportedComparator

Verbatim

e0
“Delayed sowing also resulted in a decrease in plant height (66.4 cm), 100 grain weight (8.3%), panicle weight (16.84%) and grain yield per plant (18.93%).”
✓ located verbatim in the source · abstract, characters 688–842

t0
“Sorghum”
✓ located verbatim in the source · title, characters 89–96

Title

Planting Date and Genotype Effect On Morpho-agronomic Traits of Burkina Faso Sweet Grain Sorghum

Wendmanegda Hermann Tondé; Nerbéwendé Sawadogo; Josiane Tiendrébéogo; et al. Plant Science Today 2023. doi:10.14719/pst.2208

Other claims from this paper (9)

Intervention effect Sowing date significantly affected most measured sorghum traits.
Intervention effect Internode length was an exception to the sowing date effect.
Intervention effect At the second planting date, sorghum sowing-to-flowering cycle shortened by 08 to 20 days.
Intervention effect Delayed sowing decreased plant height by 66.4 cm.
Intervention effect Delayed sowing decreased 100 grain weight by 8.3%.
Intervention effect Delayed sowing decreased panicle weight by 16.84%.
Observation Genotypes differed in photoperiod sensitivity with mean coefficient 0.59.
Observation All genotypes flowered between September 11 and 27 under both sowing dates.
Recommendation The results could inform the sweet sorghum breeding cropping calendar.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delaying sowing beyond May 30 decreased effective tillers and grains per panicle.

Taxon: riceOryza sativat0
Treatment: delaying sowinge0 e1
Outcome: number of effective tillers/m2 and number of grains/paniclee0 e1
Direction: decreasee0 e1
Comparator: May 30e0 e1

Verbatim

e0
“number of effective tillers/m2 and number of grains/panicle (beyond May 30)”
✓ located verbatim in the source · abstract, characters 719–794

e1
“delaying sowing resulted in progressive decrease in 100- grain weight and grain yield (beyond May 10)”
✓ located verbatim in the source · abstract, characters 616–717

t0
“Rice Cultivar Sakha 106”
✓ located verbatim in the source · title, characters 34–57

Title

Grain Yield and its Components of Rice Cultivar Sakha 106 as Affected by Sowing Date, Hill Spacing and Zinc Fertilizer Level

Khairallah A. Sh. Shebl; Ali I. Nawar; Hossam Eldin M. Ibrahim; et al. Alexandria Science Exchange Journal 2021. doi:10.21608/asejaiqjsae.2021.164808

Other claims from this paper (5)

Intervention effect Delaying sowing beyond May 10 decreased 100-grain weight and grain yield.
Intervention effect Spacing of 20 x 15cm was optimal for grains per panicle, grain weight and yield.
Intervention effect Tillers per area were highest at 30 x 15cm spacing.
Intervention effect Zinc sulphate at 48 kg/ha increased yield and its components.
Recommendation The authors recommend May 10 sowing, 20 x 15cm spacing and 48 kg ZnSO4/ha for high yield.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Yield loss in 2010DS and 2011DS was attributed to fewer spikelets per panicle.

Taxon: riceOryza sativat0
Outcome: reduced yielde0
Qualifier: spikelets number per panicle (2010DS and 2011DS)e0

Verbatim

e0
“reduced yield which was attributed to decrease in grain weight, harvest index, grain filling (2009WS), and spikelets number per panicle (2010DS and 2011DS).”
✓ located verbatim in the source · abstract, characters 1227–1383

t0
“rice”
✓ located verbatim in the source · title, characters 77–81

Title

Effects of high night temperature on yield and agronomic traits of irrigated rice under field chamber system condition

Yunbo Zhang; Qiyuan Tang; Peng Shaobing; et al. Australian Journal of Crop Science 2013

Other claims from this paper (15)

Intervention effect Grain yield differed significantly between low and high night temperature in all experiments.
Intervention effect High night temperature decreased grain yield by 16.7% in the first season.
Intervention effect High night temperature decreased grain yield by 9.1% in the second season.
Intervention effect High night temperature decreased grain yield by 9.6% in the third season.
Intervention effect High night temperature decreased grain yield by 8.0% in the fourth season.
Mechanism Lower biomass and harvest index partly accounted for yield loss under high night temperature.
Mechanism Low night temperature produced higher total dry weight through higher crop growth rate.
Intervention effect Night warming during reproduction reduced yield.
Mechanism Yield loss under night warming was attributed to lower grain weight and harvest index.
Mechanism Yield loss in 2009WS was attributed to decreased grain filling.
Intervention effect An approximately 4-degree high versus low night temperature difference reduced mean yield 11% across four seasons.
Observation N22 was tolerant to high night temperature.
Observation PSBRc52 was tolerant to high night temperature.
Observation Swarna was tolerant to high night temperature.
Observation IR8 was tolerant to high night temperature.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

TCB stress reduced grain weight in japonica rice.

Taxon: japonica riceOryza sativa Japonica Groupt0
Treatment: TCB stresse4
Outcome: grain weighte4
Direction: reducinge4

Verbatim

t0
“japonica rice”
✓ located verbatim in the source · title, characters 77–90

e4
“TCB stress reduces the yield of japonica rice by reducing the number of panicles per hill, the number of spikelets per panicle, the grain filling percentage, and the grain weight”
✓ located verbatim in the source · abstract, characters 978–1156

Title

The decrease in panicle number is the main reason for the yield reduction of japonica rice caused by 1,2,4-trichlorobenzene stress

Feiyu Yan; Guoliang Zhang; Le Liu; et al. Frontiers in Plant Science 2024. doi:10.3389/fpls.2024.1425945

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

1000-grain weight decreased.

Taxon: wheatTriticum aestivumt0
Treatment: Low-temperature at bootingt0
Outcome: 1000-grain weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“a decrease in the grain number per panicle and 1000-grain weight were also observed”
✓ located verbatim in the source · abstract, characters 1879–1962

t0
“Low-temperature at booting reduces starch content and yield of wheat”
✓ located verbatim in the source · title, characters 0–68

Title

Low-temperature at booting reduces starch content and yield of wheat by affecting dry matter transportation and starch synthesis

Wenjing Zhang; Anmin Zhang; Qirui Zhou; et al. Frontiers in Plant Science 2023. doi:10.3389/fpls.2023.1207518

Other claims from this paper (14)

Intervention effect Low temperature reduced flag leaf photosynthesis, stomatal conductance, and transpiration.
Intervention effect Low temperature hindered starch grain development in the endosperm.
Observation A-type starch granules showed equatorial grooves.
Intervention effect Low temperature reduced the number of B-type starch granules.
Intervention effect Flag leaves and grains had less 13 C.
Intervention effect Low temperature reduced transfer of pre-anthesis dry matter into grain.
Intervention effect Low temperature reduced post-anthesis dry matter transfer into grain.
Intervention effect Low temperature reduced dry matter distribution into grains at maturity.
Intervention effect Grain filling time shortened.
Intervention effect Grain filling rate decreased.
Intervention effect Starch synthesis enzyme activity decreased.
Intervention effect Relative expression of starch synthesis enzymes decreased.
Intervention effect Total starch content decreased.
Intervention effect Grain number per panicle decreased.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delayed sowing decreased 100 grain weight by 8.3%.

Taxon: sorghumSorghumt0
Treatment: Delayed sowinge0
Outcome: 100 grain weighte0
Direction: decreasee0
Value: 8.3%e0

Not reportedComparator

Verbatim

e0
“Delayed sowing also resulted in a decrease in plant height (66.4 cm), 100 grain weight (8.3%), panicle weight (16.84%) and grain yield per plant (18.93%).”
✓ located verbatim in the source · abstract, characters 688–842

t0
“Sorghum”
✓ located verbatim in the source · title, characters 89–96

Title

Planting Date and Genotype Effect On Morpho-agronomic Traits of Burkina Faso Sweet Grain Sorghum

Wendmanegda Hermann Tondé; Nerbéwendé Sawadogo; Josiane Tiendrébéogo; et al. Plant Science Today 2023. doi:10.14719/pst.2208

Other claims from this paper (9)

Intervention effect Sowing date significantly affected most measured sorghum traits.
Intervention effect Internode length was an exception to the sowing date effect.
Intervention effect At the second planting date, sorghum sowing-to-flowering cycle shortened by 08 to 20 days.
Intervention effect Delayed sowing decreased plant height by 66.4 cm.
Intervention effect Delayed sowing decreased panicle weight by 16.84%.
Intervention effect Delayed sowing decreased grain yield per plant by 18.93%.
Observation Genotypes differed in photoperiod sensitivity with mean coefficient 0.59.
Observation All genotypes flowered between September 11 and 27 under both sowing dates.
Recommendation The results could inform the sweet sorghum breeding cropping calendar.

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Superior spikelets of NIL-GNP1TQ had significantly lower grain weight and grain size than Lemont.

Taxon: riceOryza sativat0
Material: NIL-GNP1TQe0
Organ / stage: superior spikeletse0
Outcome: grain weighte0
Direction: decreasede0
Qualifier: significant decrease of grain sizee0

Verbatim

e0
“significantly decreased grain weight of superior spikelets (SS) in NIL-GNP1TQ was ascribed to a significant decrease of grain size”
✓ located verbatim in the source · abstract, characters 991–1121

t0
“Rice”
✓ located verbatim in the source · title, characters 91–95

Title

Pleiotropic Effect of GNP1 Underlying Grain Number per Panicle on Sink, Source and Flow in Rice

Laiyuan Zhai; Feng Wang; An Yan; et al. Frontiers in Plant Science 2020. doi:10.3389/fpls.2020.00933

Other claims from this paper (13)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Ozone decreased 1000 grain weight.

Taxon: riceOryza sativae2
Treatment: Elevated ozone exposuree1
Outcome: 1000 grain weighte0
Direction: decreasee0
Comparator: the controle0

Verbatim

e0
“a decrease in tiller number, number of effective tillers, number of filled spikelets per panicle and 1000 grain weight over the control”
✓ located verbatim in the source · abstract, characters 544–679

e1
“Elevated ozone exposure”
✓ located verbatim in the source · abstract, characters 319–342

e2
“15 rice cultivars exposed to elevated ozone stress”
✓ located verbatim in the source · abstract, characters 50–100

Title

Assessment of Physiological, Biochemical and Yield Attributes of Rice Cultivars under Elevated Ozone Stress

Ramya Ambikapathi; Dhevagi Periyasamy; Maheswari M; et al. Madras Agricultural Journal 2020. doi:10.29321/maj.10.000463

Other claims from this paper (6)

Intervention effect Ozone reduced MDU5 photosynthetic rate by 42.90%.
Intervention effect Ozone reduced TRY(R)2 stomatal conductance by 42.39%.
Intervention effect Ozone reduced TRY(R)2 chlorophyll content by 41.22%.
Intervention effect Ozone decreased tiller number, effective tillers and filled spikelets.
Method / resource Multivariate analysis classified the cultivars into four ozone response groups.
Recommendation The authors recommended ozone tolerant cultivars for regions with high ozone.

“decrease of grain weight per panicle”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics