Intervention effectmodel-written summary

Application of B produced a negative Chinese cabbage growth response.

A claim from NUTRIENT REQUIREMENT SCREENING FOR CHINESE CABBAGE IN EAST TEXAS ACID, SANDY SOILS · 1990

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Application of B produced a negative Chinese cabbage growth response.

Treatment
Be0
Outcome
growth responsese0
Direction
negativee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Brassica rapa subsp. pekinensis
Brassica rapa subsp. pekinensis · Taxondekochan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Regression analysis indicated positive growth responses to P, K, S, and Zn, and negative growth responses due to B and Mo applications.”

✓ located verbatim in the source · abstract, characters 880–1015
t0

“CHINESE CABBAGE”

✓ located verbatim in the source · title, characters 35–50

Title

NUTRIENT REQUIREMENT SCREENING FOR CHINESE CABBAGE IN EAST TEXAS ACID, SANDY SOILS

A. T. Leonard; D. R. Earhart; J. V. Davis; et al. HortScience 1990. doi:10.21273/hortsci.25.8.858f

Other claims from this paper (5)

Record rev-e68b962e43cc403e13be666f4c4e63358abe1258442d758acfce149ebec37653 · schema claims-v0.9 · position 5 in the model’s answer

boron atom · growth · Brassica rapa (field mustard)Positive and negative results

9 papers: 5 positive, 4 negative or no effect

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

  1. positive
    Low B supply inhibited shoot dry weight in turnip by up to 77% relative to adequate B supply.

    Remobilization of boron, photosynthesis, phenolic metabolism and anti-oxidant defense capacity in boron-deficient turnip (Brassica rapaL.) plants · 2010 · compared with adequate (25 μmol L−1)

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

  2. positive
    Nitrogen, phosphorus, calcium, or boron deficiency significantly lowered Black Summer dry weight.

    Characterization of Nutrient Disorders and Impacts on Chlorophyll and Anthocyanin Concentration of Brassica rapa var. Chinensis · 2020

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

  3. positive
    Growth of plants receiving no boron was drastically impaired compared with plants receiving 0.1–5.0 ppm boron.

    INFLUENCE OF BORON NUTRITION ON GLUCOSINOLATES AND REDUCING SUGARS OF TURNIP · 1982 · compared with plants receiving 0.1–5.0 ppm boron

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

  4. positive
    Boron application restored normal Chinese cabbage growth in those cases.

    Boron deficiency in Chinese cabbage · 1960

    Opposite direction

  5. positive
    Boron deficiency inhibited growth.

    Effects of boron on growth and some physiological-biochemical indexes of Brassica campestris · 2002

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

  6. negative
    Harzianum B reduced shoot and root lengths in Brassica chinensis.

    Herbicidal efficacy of harzianums produced by the biofertilizer fungus, Trichoderma brevicompactum · 2020

    Same direction

  7. negative
    Increased copper, manganese, boron, zinc or molybdenum retarded turnip growth.

    Influence of Toxic Concentrations of Micro-Nutrient Elements in the Nutrient Medium on Vitamin Content of Turnips and Tomatoes · 1948

    Same direction

  8. no effect
    Growth rate of Chinese cabbage was not affected by low boron concentration (<5 mg/L).

    Remediation Technology for Boron and Fluoride Contaminated Sediments Using Green Plants · 2006

    Same direction

See all 9 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.