By organism › Green plants › Meliaceae › Khaya

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend regular monitoring of Khaya plantations for M. mutatus infestations to mitigate impacts on tree health and timber value.

Taxon: KhayaKhayae0
Outcome: regular monitoringe0

Verbatim

e0
“regular monitoring of Khaya plantations for potential M. mutatus infestations is recommended to mitigate potential impacts on tree health and timber value”
✓ located verbatim in the source · abstract, characters 1156–1310

Title

Is Megaplatypus mutatus (Chapuis) (Curculionidae: Platypodinae) a threat to Khaya grandifoliola (Meliaceae)? Observations from Brazil

Luana de Souza Covre; Robert A. Haack; Jean Carlos Pereira de Castro; et al. Revista Brasileira de Entomologia 2025. doi:10.1590/1806-9665-rbent-2024-0086

Other claims from this paper (9)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Khaya had the least index for vigour.

Taxon: KhayaKhayae5
Outcome: index for vigoure5
Direction: leaste5

Verbatim

e5
“Parkia biglobosa had the highest vigour index with Khaya having the least index for vigour”
✓ located verbatim in the source · abstract, characters 792–882

Title

Seed health test and fungal enumeration on seeds of selected economic important forest tree species of Nigeria

O.A. Osunlaja; J.O. Nwogwugwu; A.D. Oladipo; et al. Journal of Agriculture Forestry and the Social Sciences 2025. doi:10.4314/joafss.v22i1.16

Other claims from this paper (5)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Stem and branch biomass did not vary among Khaya species.

Taxon: Khaya spp.Khayae0
Outcome: biomass of the stems and branchese3
Direction: did not varye3
Qualifier: by speciese3

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e3
“The biomass of the stems and branches did not vary by species”
✓ located verbatim in the source · abstract, characters 1252–1313

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Relative biomass proportions followed the order branches > stems > bark > leaves.

Taxon: Khaya spp.Khayae0
Outcome: relative biomass proportionse4
Qualifier: branches > stems > bark > leavese4

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e4
“The relative biomass proportions had the following order: branches > stems > bark > leaves”
✓ located verbatim in the source · abstract, characters 1315–1405

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: nutrient uptakee6
Direction: loweste6
Value: 44.17e6
Qualifier: Ne6

Not reportedComparator

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: nutrient uptakee6
Direction: loweste6
Value: 10.43e6
Qualifier: Pe6

Not reportedComparator

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: nutrient uptakee6
Direction: loweste6
Value: 21.93e6
Qualifier: Ke6

Not reportedComparator

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: nutrient uptakee6
Direction: loweste6
Value: 52.59e6
Qualifier: Cae6

Not reportedComparator

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: nutrient uptakee6
Direction: loweste6
Value: 9.97e6
Qualifier: Mge6

Not reportedComparator

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Stem-only removal reduced N export by 91.34% relative to total biomass harvesting.

Taxon: Khaya spp.Khayae0
Treatment: only the stem was removede6
Outcome: export levelse7
Direction: reductione7
Value: 91.34%e7
Qualifier: Ne7
Comparator: total biomass harvestinge7

Verbatim

e0
“biomass production of Khaya spp. stands”
✓ located verbatim in the source · abstract, characters 458–497

e6
“The lowest nutrient uptake occurred in the scenario in which only the stem was removed, with averages of 44.17, 10.43, 21.93, 52.59 and 9.97 kg ha−1 for N, P, K, Ca and Mg, respectively”
✓ located verbatim in the source · abstract, characters 1553–1738

e7
“Compared to total biomass harvesting, this represents a reduction in export levels by 91.34% for N, 79.31% for P, 94.66% for K, 94.29% for Ca and 93.28% for Mg”
✓ located verbatim in the source · abstract, characters 1740–1899

Title

Biomass Production and Nutritional Sustainability in Different Species of African Mahogany

Gabriel Soares Lopes Gomes; Marcos Vinicius Winckler Caldeira; Robert Gomes; et al. Forests 2024. doi:10.3390/f15111951

Other claims from this paper (15)

Observation K. senegalensis had the highest bark percentage of biomass.
Observation K. ivorensis had the highest leaf percentage of biomass.
Observation Stem and branch biomass did not vary among Khaya species.
Observation Relative biomass proportions followed the order branches > stems > bark > leaves.
Association Ca stocks were higher in K. grandifoliola than in K. senegalensis, by 22.1%.
Association Mg stocks were higher in K. grandifoliola than in K. ivorensis, by 42.3%.
Intervention effect Removing only the stem gave the lowest N uptake (44.17 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest P uptake (10.43 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest K uptake (21.93 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Ca uptake (52.59 kg ha-1) among harvest scenarios.
Intervention effect Removing only the stem gave the lowest Mg uptake (9.97 kg ha-1) among harvest scenarios.
Intervention effect Stem-only removal reduced P export by 79.31% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced K export by 94.66% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Ca export by 94.29% relative to total biomass harvesting.
Intervention effect Stem-only removal reduced Mg export by 93.28% relative to total biomass harvesting.

Khaya 62 claims

62 claims