Intervention effectmodel-written summary

Water deficit lowered mean grain production by 29.83%.

A claim from TOLERANCE OF F 2 POPULATIONS OF COWPEA TO WATER DEFICIT · 2018

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water deficit lowered mean grain production by 29.83%.

Treatment
water deficite0
Outcome
grain productione0
Direction
decreasee0
Value
29.83%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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 ↗

Verbatim

e0

“The grain production of the genotypes had an average decrease of 29.83% under water deficit.”

✓ located verbatim in the source · abstract, characters 1128–1220
t0

“COWPEA”

✓ located verbatim in the source · title, characters 32–38

Title

TOLERANCE OF F 2 POPULATIONS OF COWPEA TO WATER DEFICIT

ERINA VITÓRIO RODRIGUES; KAESEL JACKSON DAMASCENO-SILVA; MAURISRAEL DE MOURA ROCHA; et al. Revista Caatinga 2018. doi:10.1590/1983-21252018v31n106rc

Other claims from this paper (1)

Record rev-edd8d72abd740ead472928a31b99a0c45f1fc049433711b9301a39309a2a8a99 · schema claims-v0.9 · position 1 in the model’s answer

drought · yield · Vigna unguiculata (cowpea)Results differ

46 papers: 7 positive, 39 negative or no effect

38 papers in the same direction as this claim · 7 in the opposite direction

  1. positive
    Combined water stress and fertilizer treatments enhanced production efficiency.

    Cowpea ( Vigna unguiculata L. Walp) morpho-physiological and yield responses to chemical, organic, and biofertilizers at various watering levels utilizing drip irrigation system · 2024

    Opposite direction

  2. positive
    Desiccation of natural vegetation with glyphosate gave the highest cowpea production.

    Cowpea subjected to organic fertilization and management of the natural vegetation of the savannah of Roraima · 2021

    Opposite direction

  3. positive
    Full irrigation yielded four times as much as rainfed crop, 8.69 versus 2.19 q/ha.

    Effect of irrigation on phenology, growth and yield of cowpea (Vigna unguiculata) · 1999 · compared with rainfed treatment

    Opposite direction

  4. positive
    Irrigation at 50% of ASMD gave the highest plant height, number of leaves and number of branches in the first season.

    EFFECT OF DEFICIT IRRIGATION AND NITROGEN FERTILIZATION ON COWPEA YIELD, ITS COMPONENTS AND WATER PRODUCTIVITY IN NORTH DELTA OF EGYPT. · 2011

    Opposite direction

  5. positive
    PEG6000 at 2% gave the highest pod count, seed yield, biological yield and harvest index in the field.

    Impact of Different Priming Methods on Growth, Yield and Seed Quality Parameters in Cowpea (Vigna unguiculata L.) · 2020

    Opposite direction

  6. positive
    At the pre-floral phase, water deficit increased mean grain weight.

    Agromorphological drought tolerance indicators in three cowpea varieties cultivated in the Sahelian zone · 2000

    Opposite direction

  7. positive
    Under water stress, the T3 K4 interaction was significantly superior to the other water-stress and potassium interactions in yield-contributing characters.

    Effect of different levels of potassium fertilizer on yield of cowpea (Vigna unguiculata (L.) Walp) variety Konkan Safed under water stress condition · 2024 · compared with the rest of the water stress interactions

    Opposite direction

  8. no effect
    Vegetative-stage drought did not reduce yield relative to weekly irrigation if recovery conditions were favorable.

    Drought Adaptation of Cowpea. I. Influence of Drought on Seed Yield1 · 1980 · compared with weekly irrigated treatment

    Same direction

37 papers more in this group

See all 46 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.