Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cocoa with cassava had a slight yield decrease.

Taxon: cocoaTheobroma cacaoe0
Treatment: cocoa/cassava combinatione0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“cocoa/cassava combination where there was a slight decrease in yield”
✓ located verbatim in the source · abstract, characters 1521–1589

Title

Long Term Assessment Of The Agronomic And Economic Benefits Of Cocoa Food Crop Intercropping In The Absence Of Fertilizer Application

Opoku-Ameyaw, K.; Oppong, F. K.; Acheampong, K.; et al. Zenodo (CERN European Organization for Nuclear Research) 2012. doi:10.5281/zenodo.8168

Other claims from this paper (7)

Intervention effect Cocoa with plantain reduced seedling girth in year two.
Intervention effect Treatments did not significantly affect cocoa height.
Observation The four crop intercrop had the lowest soil N, P and K, without significance.
Intervention effect Intercropped cocoa yielded 28-60% more beans than sole cocoa, except cocoa with cassava.
Observation Intercropping was profitable.
Association Plantain and maize combinations produced higher net benefits.
Recommendation The authors recommend intercropping during establishment.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Excessive shade was concluded to decrease cocoa yield.

Taxon: cocoaTheobroma cacaoe0
Treatment: excessive shadee0
Outcome: yielde0
Direction: decreasese0

Verbatim

e0
“excessive shade decreases yield of cocoa”
✓ located verbatim in the source · abstract, characters 1873–1913

Title

Micro-Climate Conditions, Weed Diversity, Flowering and Yield of Young Cacao Plants as Affected by Shade Regimes

Idowu Babadele Famuwagun; Samuel O. Agele International Letters of Natural Sciences 2021. doi:10.56431/p-f18s7i

Other claims from this paper (10)

Intervention effect No-shade plots had significantly higher air temperature than shaded plots in 2015 and 2016.
Intervention effect No-shade plots had significantly higher soil temperature than shaded plots in 2015 and 2016.
Intervention effect Soil temperature did not differ significantly by shade in 2017.
Intervention effect Weed vigour was significantly higher without shade.
Intervention effect Flower production was significantly higher without shade in 2015 and 2016.
Intervention effect Pod production was significantly higher without shade in 2016 and 2017.
Intervention effect Cherelle wilt rate was higher in shaded plots.
Intervention effect Pod yield parameters were significantly higher without shade.
Association Air temperature of 30°C to 33.7°C during flowering and pod setting positively influenced bean yield.
Mechanism Temperature and relative humidity increases were concluded to boost physiological processes for pod production.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

For cocoa agroforestry adopters, a one-millimeter rainfall decrease reduced yield by 2.17 kg/ha.

Taxon: cocoaTheobroma cacaot0
Material: adopterse0
Treatment: one-millimeter decrease in rainfalle0
Outcome: yielde0
Direction: reducese0
Value: 2.17 kg/hae0

Verbatim

e0
“A one-millimeter decrease in rainfall significantly reduces yield by 2.17 kg/ha for adopters and 2.84 kg/ha for non-adopters”
✓ located verbatim in the source · abstract, characters 1004–1128

t0
“cocoa”
✓ located verbatim in the source · title, characters 76–81

Title

Agroforestry as a climate change adaptation strategy: Evidence from Ghana's cocoa sector

Marlene Yu Lilin Wätzold; Katharina Krumbiegel; Pascal Tillie; et al. Agricultural Systems 2025. doi:10.1016/j.agsy.2025.104519

Other claims from this paper (5)

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

For cocoa non-adopters, a one-millimeter rainfall decrease reduced yield by 2.84 kg/ha.

Taxon: cocoaTheobroma cacaot0
Material: non-adopterse0
Treatment: one-millimeter decrease in rainfalle0
Outcome: yielde0
Direction: reducese0
Value: 2.84 kg/hae0

Verbatim

e0
“A one-millimeter decrease in rainfall significantly reduces yield by 2.17 kg/ha for adopters and 2.84 kg/ha for non-adopters”
✓ located verbatim in the source · abstract, characters 1004–1128

t0
“cocoa”
✓ located verbatim in the source · title, characters 76–81

Title

Agroforestry as a climate change adaptation strategy: Evidence from Ghana's cocoa sector

Marlene Yu Lilin Wätzold; Katharina Krumbiegel; Pascal Tillie; et al. Agricultural Systems 2025. doi:10.1016/j.agsy.2025.104519

Other claims from this paper (5)

Associationobservedoriginal resultnegativesignificant (as stated)projected

Claim · model-written summary

Decreased rainfall would significantly reduce cocoa bean yield.

Taxon: CocoaTheobroma cacaot0
Treatment: decrease in rainfalle0
Outcome: cocoa bean yielde0
Direction: reducee0

Verbatim

e0
“decrease in rainfall, increase in temperature and increase in PET, would significantly reduce the cocoa bean yield”
✓ located verbatim in the source · abstract, characters 927–1041

t0
“Cocoa”
✓ located verbatim in the source · title, characters 28–33

Title

Climate Driven Responses in Cocoa for Tamil Nadu, India

M. Selva Kumar; V. Geethalakshmi; P. Irene Vethamoni; et al. International Journal of Environment and Climate Change 2022. doi:10.9734/ijecc/2022/v12i1131049

Other claims from this paper (7)

Association Cocoa had a positive correlation with rainfall.
Association Cocoa had a positive correlation with actual evapotranspiration.
Association Maximum temperature had a significantly negative effect on cocoa productivity.
Association Minimum temperature had a significantly negative effect on cocoa productivity.
Association Increased temperature would significantly reduce cocoa bean yield.
Association Increased PET would significantly reduce cocoa bean yield.
Recommendation The authors call for management measures to sustain cocoa productivity under warming and erratic rainfall.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Cocoa yield decreased by 2.5% to 37% in dry years and following years.

Taxon: CocoaTheobroma cacaot0
Outcome: yielde0
Direction: decreasee0
Value: 2.5% to 37%e0
Qualifier: dry years and the following yearse0
Setting: Ghanat0

Verbatim

e0
“decrease in the yield in the range of 2.5% to 37% was noted in the dry years and the following years”
✓ located verbatim in the source · abstract, characters 1627–1727

t0
“Cocoa Production in Côte D'ivoire and Ghana”
✓ located verbatim in the source · title, characters 71–114

Title

Implications of Changes in Water Stress and Precipitation Extremes for Cocoa Production in Côte D'ivoire and Ghana

Salomon Obahoundje; Komlavi Akpoti; Sander J. Zwart; et al. International Journal of Climatology 2025. doi:10.1002/joc.8872

Other claims from this paper (11)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Shade index was negatively related to cocoa yield.

Taxon: CocoaTheobroma cacaot0
Treatment: Shade indexe1
Outcome: yielde1
Direction: decreaseinferrede1

Verbatim

e1
“Shade index was negatively related to yield”
✓ located verbatim in the source · abstract, characters 1316–1359

t0
“Cocoa”
✓ located verbatim in the source · title, characters 22–27

Title

Shade Tree Diversity, Cocoa Pest Damage, Yield Compensating Inputs and Farmers' Net Returns in West Africa

Hervé Bertin Daghela Bisseleua; Daniel Fotio; Yede; et al. PLoS ONE 2013. doi:10.1371/journal.pone.0056115

Other claims from this paper (9)

Associationobservedoriginal resultnegativesignificant (as stated)projected

Claim · model-written summary

Increased temperature would significantly reduce cocoa bean yield.

Taxon: CocoaTheobroma cacaot0
Treatment: increase in temperaturee0
Outcome: cocoa bean yielde0
Direction: reducee0

Verbatim

e0
“decrease in rainfall, increase in temperature and increase in PET, would significantly reduce the cocoa bean yield”
✓ located verbatim in the source · abstract, characters 927–1041

t0
“Cocoa”
✓ located verbatim in the source · title, characters 28–33

Title

Climate Driven Responses in Cocoa for Tamil Nadu, India

M. Selva Kumar; V. Geethalakshmi; P. Irene Vethamoni; et al. International Journal of Environment and Climate Change 2022. doi:10.9734/ijecc/2022/v12i1131049

Other claims from this paper (7)

Association Cocoa had a positive correlation with rainfall.
Association Cocoa had a positive correlation with actual evapotranspiration.
Association Maximum temperature had a significantly negative effect on cocoa productivity.
Association Minimum temperature had a significantly negative effect on cocoa productivity.
Association Decreased rainfall would significantly reduce cocoa bean yield.
Association Increased PET would significantly reduce cocoa bean yield.
Recommendation The authors call for management measures to sustain cocoa productivity under warming and erratic rainfall.

Associationobservedoriginal resultnegativesignificant (as stated)projected

Claim · model-written summary

Increased PET would significantly reduce cocoa bean yield.

Taxon: CocoaTheobroma cacaot0
Treatment: increase in PETe0
Outcome: cocoa bean yielde0
Direction: reducee0

Verbatim

e0
“decrease in rainfall, increase in temperature and increase in PET, would significantly reduce the cocoa bean yield”
✓ located verbatim in the source · abstract, characters 927–1041

t0
“Cocoa”
✓ located verbatim in the source · title, characters 28–33

Title

Climate Driven Responses in Cocoa for Tamil Nadu, India

M. Selva Kumar; V. Geethalakshmi; P. Irene Vethamoni; et al. International Journal of Environment and Climate Change 2022. doi:10.9734/ijecc/2022/v12i1131049

Other claims from this paper (7)

Association Cocoa had a positive correlation with rainfall.
Association Cocoa had a positive correlation with actual evapotranspiration.
Association Maximum temperature had a significantly negative effect on cocoa productivity.
Association Minimum temperature had a significantly negative effect on cocoa productivity.
Association Decreased rainfall would significantly reduce cocoa bean yield.
Association Increased temperature would significantly reduce cocoa bean yield.
Recommendation The authors call for management measures to sustain cocoa productivity under warming and erratic rainfall.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher leaf damage correlated with fewer harvested cacao pods.

Taxon: cacaoTheobroma cacaot0
Interactor: A scarab beetlet0pest
Outcome: harvested podse0
Direction: decreasee0
Qualifier: higher leaf surface damagee0

Verbatim

e0
“higher leaf surface damage with a decrease in harvested pods.”
✓ located verbatim in the source · abstract, characters 1240–1301

t0
“A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao”
✓ located verbatim in the source · title, characters 0–110

Title

A scarab beetle (Coleoptera: Scarabaeidae) causes tree mortality, delayed growth, and yield reduction in cacao with genotype‐specific susceptibility to herbivory

Mario Porcel; Tatiana C. Miranda; Carolina Pisco‐Ortiz; et al. Pest Management Science 2023. doi:10.1002/ps.7957

Other claims from this paper (10)

Observation Cacao trees averaged 2.9 ± 0.3 adult beetles per tree.
Observation L. femoratus larvae were found at roots of all agroforestry plants.
Observation Yopo and plantain had the highest incidence of root-feeding larvae.
Observation Female beetles ate more foliage relative to body weight than males.
Observation Herbivory skeletonized cacao leaves.
Association Herbivory reduced cacao plant height.
Association Herbivory reduced cacao stem diameter.
Association Cacao trees with over 50% leaf consumption suffered over 20% mortality.
Observation Cacao genotypes differed in antixenotic resistance.
Recommendation The authors call for effective control of the cacao pest.

“yield decrease”

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