Paper · 1959 · DOAJ (DOAJ: Directory of Open Access Journals)

Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields

Julius H. Freitag; T. M. Aldrich; Richard Drake

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claims
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verbatim quotes
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citations
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research areas
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Open access · cc-by-sa

Abstract

Annual losses as high as 30% –caused by aster yellows virus–have been cut to 5% by growers of the Arroyo Grande Valley of San Luis Obispo County who annually produce about 1,200 acres of celery valued at approximately $2.-500,000.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-sa. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 1

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Growers cut aster yellows virus losses in celery from up to 30% to 5%.

Treatment
Spray treatment of natural breeding area of aster leafhoppert0
Interactor
aster yellows viruse0pathogen
Outcome
lossese0
Direction
cute0
Value
5%e0
Comparator
30%e0
Setting
Arroyo Grande Valley of San Luis Obispo Countye0

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

Apium graveolens Dulce Group
Apium graveolens Dulce Group · Taxon · picture of the speciesMPF · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Annual losses as high as 30% –caused by aster yellows virus–have been cut to 5% by growers of the Arroyo Grande Valley of San Luis Obispo County”

✓ located verbatim in the source · abstract, characters 0–144 · show in text ↑
t0

“celery: Spray treatment of natural breeding area of aster leafhopper”

✓ located verbatim in the source · title, characters 23–91 · show in text ↑

application · yield · Apium graveolensPositive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
    Foliar boron decreased yields in celery.

    The Contribution of Foliar Exposure to Boron Toxicity · 2007 · compared with without a component of foliar contact

    Opposite direction

  2. positive
  3. positive
See all 4 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.