Intervention effectmodel-written summary

Omitting phosphorus severely impaired sunflower vegetative growth and development.

A claim from Effect of nutrient omission in the development of sunflower BRS-122 in greenhouse conditions · 2019

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Omitting phosphorus severely impaired sunflower vegetative growth and development.

Taxon
sunflowerHelianthus annuuse0
Treatment
Pe0
Outcome
vegetative growthe0
Direction
preventinge0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The absence of N, P, K, Ca and Fe in the nutrient solution severely affected the sunflower plants, preventing their vegetative growth and consequently their development.”

✓ located verbatim in the source · abstract, characters 1090–1258

Title

Effect of nutrient omission in the development of sunflower BRS-122 in greenhouse conditions

Allan Nunes Alves; Felipe Guedes de Souza; Lucia Helena Garofalo Chaves; et al. Revista Facultad Nacional de Agronomía Medellín 2019. doi:10.15446/rfnam.v72n1.69388

Other claims from this paper (6)

Record rev-24fe2dc42ab64ccd99c18023910659da7b195b6556bda7c069841f8fca6c274d · schema claims-v0.9 · position 2 in the model’s answer

phosphorus · growth · Helianthus annuus (common sunflower)Positive and negative results

38 papers: 32 positive, 6 negative or no effect

5 papers in the same direction as this claim · 32 in the opposite direction

  1. positive
    Phosphate deficiency decreased leaf ATP, ADP, and adenylate energy charge.

    In vivo photosynthetic electron transport does not limit photosynthetic capacity in phosphate‐deficient sunflower and maize leaves · 1993

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  2. positive
    Low nitrate or phosphate increased root:shoot ratio and uptake kinetic parameters.

    Nutrient-limited growth rates: quantitative benefits of stress responses and some aspects of regulation · 1995

    Opposite direction

  3. positive
    Phosphorus addition benefited the growth of surviving sunflower seedlings

    Effects of Sodium Chloride and Mineral Nutrients on Initial Stages of Development of Sunflower Life · 2007

    Opposite direction

  4. positive
    Phosphorus deficiency significantly decreased sunflower shoot yield.

    Phosphorus Efficiency in Sunflower Cultivars and Its Relationships with Phosphorus, Calcium, Iron, Zinc and Manganese Nutrition · 2009

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  5. positive
    Irrigation at 0.8 IW:CPE ratio with N at 120 kg ha-1 and P2O5 at 80 kg ha-1 gave maximum leaf area index at 90 days after sowing.

    Effect of irrigation, N, and P on yield and yield attributes of spring sunflower (Helianthus annuus L.) · 2016

    Opposite direction

  6. positive
    Boronated superphosphate gave higher dry matter yield of 34.45 q ha−1.

    Influence of Phosphorus and Boron on Yield and Chemical Composition of Sunflower · 1993

    Opposite direction

  7. positive
    PSB inoculation increased sunflower growth.

    Impact of phosphate solubilizing bacteria in combination with di-ammonium phosphate on growth and development of sunflower (Helianthus annus L.) · 2021

    Opposite direction

  8. positive
    Plant height increased significantly with phosphorus levels.

    Biometry and Water Consumption of Sunflower as Affected by NPK Fertilizer and Available Soil Water Content under Semiarid Brazilian Conditions · 2014

    Opposite direction

29 papers more in this group

See all 38 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.