Intervention effectmodel-written summary

Aqueous leaf extract of Jatropha curcas inhibited germination of cowpea compared with distilled water control.

A claim from Allelopathic effect of Jatropha curcas (Lin) leachate on germination and early seedling growth of five (5) agricultural crops in Kano, Nigeria · 2014

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Aqueous leaf extract of Jatropha curcas inhibited germination of cowpea compared with distilled water control.

Treatment
J. curcas aqueous leaf extracte1
Interactor
J. curcasJatropha curcase1other
Outcome
germinatione3
Direction
decreaseinferrede3
Comparator
distilled water (control)e2
Setting
Kazaure, Jigawa statee5

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗
Jatropha curcas
Jatropha curcas · Interactor · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“J. curcas aqueous leaf extract was prepared by 100g, 50g, 20g powder dissolved in 500ml double distilled water and were tested for their allelopathic effect on some growth parameters of maize, millet, guinea corn, cowpea and ground nut”

✓ located verbatim in the source · abstract, characters 508–743
e2

“The effect of the different concentrations was compared with that of distilled water (control)”

✓ located verbatim in the source · abstract, characters 745–839
e3

“All the concentration of the different extracts had inhibitory effect on the germination of all the cropscompared to control”

✓ located verbatim in the source · abstract, characters 1334–1458
e5

“Laboratory studies were conducted at Research Centre for Tissue Culture, Kazaure, Jigawa state”

✓ located verbatim in the source · abstract, characters 191–285

Title

Allelopathic effect of Jatropha curcas (Lin) leachate on germination and early seedling growth of five (5) agricultural crops in Kano, Nigeria

A Hassan; FB Mukhtar; IM Mohammed Bayero Journal of Pure and Applied Sciences 2014. doi:10.4314/bajopas.v6i2.12

Other claims from this paper (9)

Record rev-700064483ffe8030f14d7d5cb2c7eee2173e9f3754578c9254754469fdb0df65 · schema claims-v0.9 · position 7 in the model’s answer

botanical · growth · Vigna unguiculata (cowpea)Positive and negative results

105 papers: 60 positive, 45 negative or no effect

44 papers in the same direction as this claim · 60 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

96 papers more in this group

See all 105 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.