Search claims · PlantClaims

Intervention effect 681

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

A 58% population decrease caused only a 12% soybean yield decrease.

Taxon: SoybeanGlycine maxe1
Treatment: 58% population decreasee0
Outcome: yielde0
Direction: decreasee0
Value: 12%e0
Comparator: 164 000 plants ha −le0

Verbatim

e0
“A 58% population decrease from 164 000 plants ha −l resulted in a yield decrease of only 12%”
✓ located verbatim in the source · abstract, characters 880–972

e1
“Soybean [ Glycine max (L.) Merr.]”
✓ located verbatim in the source · abstract, characters 0–33

Title

Branch Yield Components Controlling Soybean Yield Stability across Plant Populations

A. C. Carpenter; J. E. Board Crop Science 1997. doi:10.2135/cropsci1997.0011183x003700030031x

Other claims from this paper (8)

Intervention effect A 43% population increase produced no significant soybean yield change.
Observation Branch dry matter averaged 14.0 g per plant at low population.
Observation Branch dry matter averaged 5.3 g per plant at medium population.
Observation Branch dry matter averaged 3.6 g per plant at high population.
Association Greater branch dry matter yielded more branch nodes, reproductive nodes and pods.
Association Pods per reproductive branch node affected yield in some cases.
Association Branch dry matter correlated strongly with yield at r squared 0.95.
Method / resource Branch dry matter was useful for identifying cultivars with low optimal population.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

KCl tended to decrease yield in all cultivars.

Treatment: KCl treatmente0
Outcome: yielde0
Direction: decreasee0
Qualifier: all cultivarse0

Not reportedTaxonComparator

Verbatim

e0
“In KCl treatment yield tended to decrease in all cultivars.”
✓ located verbatim in the source · abstract, characters 971–1030

Title

水耕ミニトマトの果実品質,収量及び生育に及ぼす塩化カリウム及び硫酸カリウム添加処理の影響

太田, 勝巳; 伊藤, 憲弘; 細木, 高志; et al. Institutional Repositories DataBase (IRDB) 1990

Other claims from this paper (12)

Intervention effect KCl increased soluble solids, sugar, acidity and fruit dry matter in three cultivars.
Intervention effect KCl decreased fruit weight in three cultivars.
Intervention effect K_2S0_4 increased fruit solids, sugar and dry matter less than KCl.
Intervention effect Fruit weight under K_2S0_4 equaled or tended to exceed control in all cultivars.
Intervention effect K_2S0_4 increased solid-acid ratio in Sun Cherry and Akakokko.
Intervention effect KCl decreased solid-acid ratio in Sun Cherry and Akakokko because acidity rose.
Observation Fruit hardness did not differ among treatments.
Intervention effect KCl decreased cherry tomato leaf length, width, mass and area.
Intervention effect Under K_2S0_4, cherry tomato leaf measures equaled or increased relative to control.
Observation Stem diameter did not differ among treatments.
Observation KCl improved fruit quality with lower yield versus the 2.0-unit control.
Observation K_2S0_4 maintained fruit quality and yield versus control.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Damage around tasseling-anthesis caused the greatest yield decrease in forage maize.

Organ / stage: tasseling‐anthesise0
Treatment: treatmentse0
Outcome: yielde0
Direction: Decreasee0

Not reportedTaxonComparator

Verbatim

e0
“Decrease of yield was the highest when treatments were applied around tasseling‐anthesis”
✓ located verbatim in the source · abstract, characters 247–335

Title

Effects of Simulated Hail Damage on the Yield of Forage Maize

G. Trappeniers; J. F. Ledent; O. Fayt; et al. Journal of Agronomy and Crop Science 1992. doi:10.1111/j.1439-037x.1992.tb00972.x

Other claims from this paper (2)

Intervention effect Leaf tearing alone had little effect on total dry matter yield of forage maize.
Intervention effect Simulated hail damage had small effects on forage maize dry matter content.

Association 308

Show all 308 →

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Pods per plant were chiefly responsible for yield decrease.

Taxon: soybeanGlycine maxt0
Organ / stage: podse0
Outcome: yield decreasee0
Direction: decreasee0

Verbatim

e0
“the component most responsible for yield decrease was the number of pods per plant”
✓ located verbatim in the source · abstract, characters 948–1030

t0
“Soybean”
✓ located verbatim in the source · title, characters 130–137

Title

The Interaction of Sowing Date and Water Availability in Determining Plant Architecture, Fruiting Pattern and Yield Components of Soybean (Glycine max L. Merr.)

P. Ceccon; L. Dalla Costa; R. Giovanardi; et al. Journal of Agronomy and Crop Science 1994. doi:10.1111/j.1439-037x.1994.tb00552.x

Other claims from this paper (9)

Intervention effect Water shortage restricted crop evapotranspiration.
Intervention effect Water shortage restricted water uptake depth.
Intervention effect Low water availability reduced architecture traits.
Intervention effect Late sowing reduced architecture traits.
Intervention effect Late sowing shifted stem seed allocation downward.
Intervention effect Reduced water supply shifted stem seed allocation downward.
Intervention effect Water stress only slightly affected unit seed weight.
Intervention effect Early sown soybean lost more yield under reproductive phase water shortage.
Intervention effect Late sown soybean lost more yield under vegetative phase water shortage.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

The yield decrease of wheat increased with subsoil Al.

Taxon: wheatTriticum aestivume0
Treatment: subsoil Ale3
Outcome: yield decreasee3
Direction: increasede3

Verbatim

e0
“toxicity on wheat growth were studied”
✓ located verbatim in the source · abstract, characters 112–149

e3
“the yield decrease increased with subsoil Al”
✓ located verbatim in the source · abstract, characters 935–979

Title

Interacting effects of topsoil water and nitrogen supply on subsoil aluminium toxicity

S. J. Can; G. S. P. Ritchie Communications in Soil Science and Plant Analysis 1994. doi:10.1080/00103629409369268

Other claims from this paper (5)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Soybean yield tended to decrease with wider rows and narrower spacing within rows.

Taxon: soybeanGlycine maxe1
Outcome: yielde0
Direction: decreasee0
Qualifier: tendede0
Setting: row widthse0

Verbatim

e0
“yield tended to decrease with wider row widths and narrower within row spacings”
✓ located verbatim in the source · abstract, characters 890–969

e1
“soybean [ Glycine max (L.) Merr.]”
✓ located verbatim in the source · abstract, characters 35–68

Title

Soybean Planting Patterns in Relation to Yield and Yield Components

T. Ikeda Agronomy Journal 1992. doi:10.2134/agronj1992.00021962008400060002x

Other claims from this paper (4)

Intervention effect Twin-zigzag soybean patterns yielded more than twin-rectangular patterns at 70-cm width.
Association The higher yields came from more seeds per plant.
Intervention effect Weight per seed was unaffected by planting pattern.
Recommendation The authors proposed that square planting patterns could increase yield.

Observation 151

Show all 151 →

Observationobservedoriginal resultno effectsimulated

Claim · model-written summary

Simulated foliar damage alone did not decrease grain yield.

Outcome: grain yielde0
Direction: did not decreasee0
Qualifier: foliar damage alonee0

Not reportedTaxon

Verbatim

e0
“foliar damage alone did not decrease grain yield but decreased straw yield.”
✓ located verbatim in the source · abstract, characters 679–754

Title

Field evaluation and simulation of frost tolerance in Syrian durum wheat landraces

A. Elings; M.M. Nachit Netherlands Journal of Agricultural Science 1993. doi:10.18174/njas.v41i1.629

Other claims from this paper (8)

Observation January frosts caused under 5% apparent foliar damage.
Observation March frosts caused average foliar damage of 23%, ranging 3-65%.
Association Late frost tolerance appeared related to regional minimum winter temperatures.
Association Coastal landraces showed the highest frost sensitivity.
Intervention effect Fertilizer did not significantly affect foliar damage.
Observation Simulated foliar damage alone decreased straw yield.
Observation Simulated additional floret damage decreased grain yield.
Observation Simulated additional floret damage increased straw yield.

Observationobservedoriginal resultnegativesimulated

Claim · model-written summary

The UKMO scenario was unfavourable and showed a considerable yield decrease.

Taxon: riceOryza sativae1
Outcome: yielde0
Direction: decreasee0
Qualifier: UKMO scenarioe0

Verbatim

e0
“the UKMO scenario is not favorable, showing a considerable yield decrease”
✓ located verbatim in the source · abstract, characters 836–909

e1
“rice, maize and wheat production in Japan”
✓ located verbatim in the source · abstract, characters 83–124

Title

The Impacts of Climatic Warming on Cereal Crop Production in Japan.

Hiroshi SEINO Journal of Agricultural Meteorology 1995. doi:10.2480/agrmet.51.131

Other claims from this paper (11)

Intervention effect Higher temperature decreased simulated cereal yields in many regions under current management.
Intervention effect Higher temperature shortened simulated cereal growing seasons in many regions.
Intervention effect Direct CO2 benefits may compensate for yield losses in central and northern Japan.
Intervention effect Direct CO2 benefits did not compensate for yield losses in Kyushu.
Association Simulated crop-yield changes varied greatly among GCM scenarios.
Observation The GISS scenario was generally favourable for Japanese crop production.
Observation Wheat production was vulnerable under every GCM climate-change scenario.
Intervention effect Earlier planting raised simulated yields under climate change in most cases.
Intervention effect Earlier planting did not improve simulated yields in Kyushu because of high temperature stress.
Recommendation Early planting and irrigation were proposed as adaptation strategies.
Recommendation New cultivars better adapted to climate change would be required in Kyushu.

Observationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

The grain yield decrease in Ant-Pop was insignificant.

Taxon: MaizeZea mayst0
Material: Ant-Pope0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

e0
“The decrease in the grain yield of Ant-Pop cultivar was insignificiant”
✓ located verbatim in the source · abstract, characters 536–606

t0
“Maize”
✓ located verbatim in the source · title, characters 61–66

Title

The Effect of Cutting Use Above The Part of Above The Ear in Maize as Forage on Grain Yield and Development

Mehmet Bilgen; Sadık Çakmakçi DergiPark (Istanbul University) 1999

Other claims from this paper (9)

Intervention effect Removing the portion above the ear reduced maize grain yield by 2.2 to 18.3%.
Intervention effect Cutting yielded 358.78 to 898.12 kg/da of forage.
Observation Tüm 82-6 had the greatest grain yield losses after fertilization and at milk stage.
Observation Ant-90 had the greatest grain yield losses after fertilization and at milk stage.
Intervention effect Cutting after fertilization caused greater grain yield reduction.
Intervention effect Cutting at milk stage caused greater grain yield reduction.
Observation Cutting after fertilization and at milk stage supplied more forage and better forage quality.
Intervention effect Grain yield loss from cutting at hard dough stage was insignificant.
Observation Forage from cutting at hard dough stage had low quality due to over ripeness.

Mechanism 67

Show all 67 →

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The decrease in F′v/F′m and qP explains the decrease in the actual quantum yield of PSII electron transport in senescing wheat leaves

Taxon: wheatTriticum aestivume0
Outcome: actual quantum yield of PSII electron transporte3
Qualifier: decrease in bothe3

Verbatim

e0
“Analyses of chlorophyll fluorescence were undertaken to investigate the alterations in photosystem II (PSII) function during senescence of wheat ( Triticum aestivum L. cv. Shannong 229) leaves”
✓ located verbatim in the source · abstract, characters 0–192

e3
“The decrease in both F' v /F' m and q P explained the decrease in the actual quantum yield of PSII electron transport”
✓ located verbatim in the source · abstract, characters 986–1103

Title

Changes in photosystem II function during senescence of wheat leaves

Congming Lu; Jianhua Zhang Physiologia Plantarum 1998. doi:10.1034/j.1399-3054.1998.1040212.x

Other claims from this paper (8)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Barley yield reductions under quackgrass were mainly attributed to a decrease of spike density (author interpretation).

Taxon: barleyHordeum vulgaree2
Outcome: yield reductionse1
Qualifier: a decrease of spike densitye1

Verbatim

e1
“These yield reductions were mainly attributed to a decrease of spike density”
✓ located verbatim in the source · abstract, characters 657–733

e2
“and barley (Hordeum vulgare L. 'Cadette')”
✓ located verbatim in the source · abstract, characters 237–278

Title

Effet du chiendent sur l'orge ensemencée à différents écartements entre les rangs et doses de semis

D. Pageau; G. F. Tremblay Canadian Journal of Plant Science 1995. doi:10.4141/cjps95-106

Other claims from this paper (7)

Intervention effect In the presence of quackgrass, barley yield at 100 seeds m-2 was reduced by 41%.
Intervention effect In the presence of quackgrass, barley yield at 500 seeds m-2 was reduced by 19%.
Intervention effect Quackgrass presence reduced the specific weight, number of kernels per spike and number of spikes per plant of barley.
Intervention effect Quackgrass presence reduced the 1000-kernel weight, harvest index and grain N concentration of barley.
Recommendation Increasing seeding rate, rather than narrowing row spacing, can be used to reduce interference between quackgrass and barley (author recommendation).
Intervention effect Narrow row spacings had no effect on barley yield with or without quackgrass.
Intervention effect Seeding rates influenced barley productivity and development when quackgrass was present.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The reduction in tomato fruit yield was attributed to a decrease in fruit weight.

Taxon: tomatoSolanum lycopersicumt0
Outcome: fruit yielde2
Qualifier: a decrease in fruit weighte2

Verbatim

t0
“single-truss tomato grown in hydroponics”
✓ located verbatim in the source · title, characters 67–107

e2
“The reduction in fruit yield was due to a decrease in fruit weight but not in fruit number”
✓ located verbatim in the source · abstract, characters 476–566

Title

Effects of salinity at two ripening stages on the fruit quality of single-truss tomato grown in hydroponics

Y. Sakamoto; S. Watanabe; T. Nakashima; et al. The Journal of Horticultural Science and Biotechnology 1999. doi:10.1080/14620316.1999.11511174

Other claims from this paper (10)

Intervention effect Salinity at the immature green stage improved tomato fruit quality more than salinity at the decolouring stage.
Intervention effect Salinity at the immature green stage decreased tomato fruit yield more than salinity at the decolouring stage.
Observation Fruit number of tomato was not reduced by salinity.
Intervention effect Salinity increased the concentrations of soluble solids, citrate and ascorbic acid in tomato fruit.
Intervention effect Salinity increased the K concentration in tomato fruit.
Intervention effect Salinity increased chlorophyll a and chlorophyll b concentrations in tomato fruit.
Intervention effect Salinity increased lycopene and carotene concentrations in tomato fruit.
Intervention effect Salinity decreased or did not affect the absolute amount of these constituents per tomato fruit.
Mechanism Authors suggest that the salinity-induced improvement in tomato fruit quality is caused by reduced water import into the fruit.
Intervention effect Salinity applied at the earlier development stage was significantly more effective for tomato.

Recommendation 22

Show all 22 →

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Maintaining a high proportion of double-flowered plants may decrease seed yield.

Taxon: zinniaZinniat0
Outcome: seed yielde0
Qualifier: may decreasee0

Verbatim

e0
“maintaining a high percentage of plants with double-flowered capitula may decrease seed yield”
✓ located verbatim in the source · abstract, characters 840–933

t0
“Zinnia”
✓ located verbatim in the source · title, characters 12–18

Title

Analysis of Zinnia Capitulum Composition

Daiichiro Miyajima; Masaaki Nakayama Journal of the American Society for Horticultural Science 1994. doi:10.21273/jashs.119.4.683

Other claims from this paper (6)

Observation A capitulum accumulated fewer than 20 newly opened florets daily for more than 15 days.
Observation Kumamotonokagayaki had 210 to 330 florets per capitulum.
Observation Snowball had 220 to 290 florets per capitulum.
Observation Purple Zem had 160 to 240 florets per capitulum.
Association Tubular floret numbers were negatively correlated with ray floret numbers.
Observation Ornamentally superior capitula had more ray and fewer tubular florets than single-flowered capitula.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

A grower could accept a tomato yield decrease if quality increases sufficiently.

Taxon: tomatoSolanum lycopersicumt0
Outcome: accept a decrease in yielde0
Qualifier: if there were a sufficient increment in quality of the producte0

Verbatim

t0
“GREENHOUSE TOMATO CROP”
✓ located verbatim in the source · title, characters 75–97

e0
“a grower could accept a decrease in yield if there were a sufficient increment in quality of the product”
✓ located verbatim in the source · abstract, characters 2416–2520

Title

COMBINED EFFECT OF CLIMATE AND CONCENTRATION OF THE NUTRIENT SOLUTION ON A GREENHOUSE TOMATO CROP. II: YIELD QUANTITY AND QUALITY

C. Stanghellini; W.Th.M. van Meurs; F. Corver; et al. Acta Horticulturae 1998. doi:10.17660/actahortic.1998.458.27

Other claims from this paper (12)

Intervention effect High EC significantly reduced yield in greenhouse tomato relative to 2 dS/m.
Intervention effect Low transpiration mitigated the effect of high EC on tomato yield relative to high transpiration.
Intervention effect Under high EC, high transpiration reduced marketable tomato yield by 30 percent relative to low transpiration.
Intervention effect Under high EC, high transpiration gave tomato fruits about 25 percent smaller than low transpiration.
Intervention effect Under high EC, high transpiration increased blossom-end rot incidence to 20 percent relative to low transpiration.
Intervention effect Low transpiration with high EC reduced tomato size and yield by 15 percent relative to 2 dS/m.
Observation Under low transpiration, incidence of blossom-end rot was only 2 percent.
Intervention effect Dry matter and sugar content of tomato fruit were higher under high EC than under 2 dS/m.
Observation Total dry matter yield of tomato was the same across treatments except the high EC, high transpiration treatment.
Observation In the high EC, high transpiration treatment, blossom-end rot reduced marketable tomato dry matter by 25 percent.
Observation Tomato fruit elasticity was not affected by any treatment once size differences were accounted for.
Recommendation Appropriate use of indoor climate tools can offset the effect of high salinity of irrigation water on tomato.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors favor frequent irrigation to decrease surface relocation of water, despite only slight yield gains.

Taxon: Grain SorghumSorghum bicolort0
Outcome: Frequent irrigation intervalse0
Qualifier: decrease surface relocation of watere0

Verbatim

e0
“Frequent irrigation intervals added only slightly to yield but are desirable in order to decrease surface relocation of water from high intensity LEPA application”
✓ located verbatim in the source · abstract, characters 2051–2213

t0
“Grain Sorghum”
✓ located verbatim in the source · title, characters 19–32

Title

LEPA Irrigation of Grain Sorghum with Varying Water Supplies

J. P. Bordovsky; W. M. Lyle Transactions of the ASAE 1996. doi:10.13031/2013.27706

Other claims from this paper (9)

Intervention effect A 3.5-day irrigation interval gave the highest mean sorghum yield, 7.57 Mg ha1, significantly above longer intervals.
Intervention effect Yield differed significantly among preplant only, 0.4 BI and 0.7 BI quantities.
Intervention effect Yield did not differ among 0.7, 1.0 and 1.3 BI treatments.
Intervention effect The 0.7 BI treatment had almost double the irrigation water use efficiency of 1.3 BI.
Observation Seasonal WUE was 1.69 kg m3 at 0.4 BI.
Intervention effect Preplant-only WUE was 1.52 and equaled the 0.7 BI treatment.
Intervention effect The 3.5-day interval yielded higher WUE than the 14-day interval.
Intervention effect Applicator location had no significant response in yield, IWUE or WUE.
Recommendation The authors advise deficit seasonal LEPA irrigation near 0.7 BI when preplant soil water is adequate.

Method / resource 7

Show all 7 →

Method / resourceobservedoriginal resultnegativeprojected

Claim · model-written summary

EPIC projected a corn yield decrease under the coarse scenario.

Taxon: cornZea mays subsp. mayst0
Direction: decreasee0
Comparator: coarse scenarioe0

Not reportedOutcomeValue

Verbatim

e0
“EPIC simulated a decrease for the coarse scenario but no change for the fine scale scenario”
✓ located verbatim in the source · abstract, characters 568–659

t0
“for wheat and corn”
✓ located verbatim in the source · abstract, characters 61–79

Title

Comparative responses of EPIC and CERES crop models to high and low spatial resolution climate change scenarios

L. O. Mearns; T. Mavromatis; E. Tsvetsinskaya; et al. Journal of Geophysical Research Atmospheres 1999. doi:10.1029/1998jd200061

Other claims from this paper (5)

Method / resource CERES projected moderate corn yield decreases under both scenarios.
Method / resource EPIC projected no change in corn yield under the fine scale scenario.
Method / resource The models also differed in simulated wheat yields.
Mechanism Model differences in yield arose from contrasting formation of final yield despite similar potential biomass simulation.
Method / resource Crop model type was identified as an uncertainty in impact assessment alongside climate scenario spatial resolution.

Method / resourceobservedoriginal resultnegativesimulated

Claim · model-written summary

The SDI models indicated a linear decline in relative yield with increasing wetness.

Taxon: CORNZea mays subsp. mayst0
Outcome: relative yielde0
Direction: linear decreasee0
Comparator: increasing wetness (SDI values)e0

Verbatim

e0
“The SDI models indicated a linear decrease in the relative yield with increasing wetness (SDI values)”
✓ located verbatim in the source · abstract, characters 823–924

t0
“CORN”
✓ located verbatim in the source · title, characters 0–4

Title

CORN GROWTH AS AFFECTED BY EXCESS SOIL WATER

S. Mukhtar; J. L. Baker; R. S. Kanwar Transactions of the ASAE 1990. doi:10.13031/2013.31348

Other claims from this paper (9)

Observation Corn was most susceptible to flooding at the early vegetative stage.
Intervention effect Flooding caused maximum plant canopy height reduction at the early vegetative stage.
Intervention effect Flooding caused maximum dry matter reduction at the early vegetative stage.
Intervention effect Flooding caused maximum grain yield reduction at the early vegetative stage.
Observation Early vegetative crop susceptibility factor was 0.64.
Observation Late vegetative crop susceptibility factor was 0.44.
Observation Flowering crop susceptibility factor was 0.15.
Observation Yield formation crop susceptibility factor was 0.19.
Observation Yield SDI regression lines differed considerably between years in the undrained area.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

Y/M selection substantially decreased grain moisture.

Taxon: maizeZea mayst0
Outcome: grain moisturee0
Direction: decreasee0
Comparator: Y/Me1

Not reportedValue

Verbatim

e0
“had a large decrease in grain moisture”
✓ located verbatim in the source · abstract, characters 1416–1454

e1
“The Y/M selection differential for yield was only 64% of that of yield”
✓ located verbatim in the source · abstract, characters 1340–1410

t0
“Selection Criteria for Grain Yield and Moisture in Maize Yield Trials”
✓ located verbatim in the source · title, characters 0–69

Title

Selection Criteria for Grain Yield and Moisture in Maize Yield Trials

J. T. Eta‐Ndu; S. J. Openshaw Crop Science 1992. doi:10.2135/cropsci1992.0011183x003200020010x

Other claims from this paper (12)

Association Grain yield and moisture were positively correlated.
Observation Yield means departed from normality in 18% of experiments.
Observation Moisture departed from normality in 32% of experiments.
Observation Regression of yield on moisture varied substantially, averaging 12.5 kg ha −1 yield per g kg −1 moisture.
Method / resource REG yield selection differential was 92% of direct selection.
Method / resource BSE yield selection differential was 91% of direct selection.
Method / resource DSG yield selection differential was 89% of direct selection.
Method / resource REG, BSE and DSG changed moisture less than selection on yield.
Method / resource Y/M yield selection differential was only 64% of direct selection.
Association Index success was not associated with nonnormality.
Recommendation The authors recommend BSE or REG to identify high-yielding hybrids within maturity groups.
Recommendation The authors advise evaluating selection indices against breeder circumstances and objectives.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics

Intervention effect 681

Association 308

Observation 151

Mechanism 67

Recommendation 22

Method / resource 7