Intervention effectmodel-written summary

Neem extract treatment gave significantly higher potato tuber yield than unprotected plots.

A claim from Efficacy of Selected Insecticides and Natural Preparations Against Leptinotarsa decemlineata · 2018

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Neem extract treatment gave significantly higher potato tuber yield than unprotected plots.

Treatment
Neem extracte0
Outcome
Tuber yielde0
Direction
highere0
Comparator
unprotected plotse0

Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

Verbatim

e0

“Tuber yield from the plots protected with entomopathogenic fungi and Neem extract was significantly higher than that on unprotected plots”

✓ located verbatim in the source · abstract, characters 939–1076

Title

Efficacy of Selected Insecticides and Natural Preparations Against Leptinotarsa decemlineata

Dariusz Ropek; Marek Kołodziejczyk Potato Research 2018. doi:10.1007/s11540-018-9398-8

Other claims from this paper (5)

Record rev-1f2b503ff4044744cae66f64bff1268761db466cabc7cbe96cf0dc390703c7fe · schema claims-v0.9 · position 5 in the model’s answer

Azadirachta indica · yield · Solanum tuberosum (potato)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this claim

  1. positive
    Potatoes sprayed with a 2% neem extract had higher yields than control plots and the other treatments.

    An Evaluation of Companion Planting and Botanical Extracts as Alternative Pest Controls for the Colorado Potato Beetle · 2006 · compared with control plots

    Same direction

  2. positive
    T8 significantly increased total yield relative to T1.

    EFFECT OF NEEM LEAVES EXTRACT AND ORGANIC FERTILIZER IN THE PRODUCTIVITY AND QUALITY OF TWO POTATO CULTIVARS · 2019 · compared with control treatment T1

    Same direction

See all 3 papers →

botanical · yield · Solanum tuberosum (potato)Positive and negative results

39 papers: 35 positive, 4 negative or no effect

34 papers in the same direction as this claim · 4 in the opposite direction

  1. negative
    The 1.2% neem plus PBO treatment produced low tuber yield, suggesting phytotoxicity.

    Feeding Inhibition and Mortality Effects of Neem-Seed Extract on the Colorado Potato Beetle (Coleoptera: Chrysomelidae) · 1988

    Opposite direction

  2. negative
    Nettle extract plots had the lowest tuber yield apart from untreated controls.

    Studies on the effects of stinging nettle extract, phosphoric acid and conventional fungicide combinations on the management of potato late blight and tuber yield in the Highlands of Kenya · 2014 · compared with corresponding treatments

    Opposite direction

  3. no effect
    Botanical treatment did not affect plant emergence or yield.

    Management of Black scurf (Rhizoctomia solani) of potato through seed treatment with botanicals · 2009

    Opposite direction

  4. negative
    Stinging nettle extract gave the lowest tuber yield apart from untreated control.

    Efficacy of fungicide combinations, phosphoric acid and plant extract from stinging nettle on potato late blight management and tuber yield · 2012 · compared with other treatments

    Opposite direction

  5. positive
    Potatoes sprayed with a 2% neem extract had higher yields than control plots and the other treatments.

    An Evaluation of Companion Planting and Botanical Extracts as Alternative Pest Controls for the Colorado Potato Beetle · 2006 · compared with control plots

    Same direction

  6. positive
    CFE and/or SA increased potato tuber weight, number and yield under drought.

    Foliar Supplementation of Clove Fruit Extract and Salicylic Acid Maintains the Performance and Antioxidant Defense System of Solanum tuberosum L. under Deficient Irrigation Regimes · 2021

    Same direction

  7. positive
    Interactions among humic acid and seaweed extract treatments had a positive significant effect on yield quantitative characters.

    EFFECT OF HUMIC ACID AND SEAWEED EXTRACTS ON GROWTH AND YIELD OF POTATO PLANT (Solanum tubersum L) DESIREE CV. · 2011

    Same direction

  8. positive
    T8 significantly increased total yield relative to T1.

    EFFECT OF NEEM LEAVES EXTRACT AND ORGANIC FERTILIZER IN THE PRODUCTIVITY AND QUALITY OF TWO POTATO CULTIVARS · 2019 · compared with control treatment T1

    Same direction

30 papers more in this group

See all 39 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.