Paper · 1993 · California Agriculture

Berber orchardgrass tested as cover crop in commercial vineyard

James Wolpert; Phil Phillips; R. K. Striegler; et al.

3
claims
6
verbatim quotes
23
citations
3
research areas
✓
Open access

Abstract

A Berber orchardgrass cover crop reduced the growth and yield of Cabernet Sauvignon grapevines. Some nematode and arthropod pest populations were significantly lower in the cover crop plots; one was higher.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. 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 3

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Berber orchardgrass cover crop reduced growth and yield of Cabernet Sauvignon grapevines.

Taxon
grapevinesVitise0
Treatment
Berber orchardgrass cover crope0
Outcome
growth and yielde0
Direction
reducede0

Not reportedComparator

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

Vitis
Vitis · Taxon · picture of the genus (one of its species)Victor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“A Berber orchardgrass cover crop reduced the growth and yield of Cabernet Sauvignon grapevines”

✓ located verbatim in the source · abstract, characters 0–94 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Cover crop plots had significantly lower nematode and arthropod pest populations in grapevines.

Taxon
grapevinesVitise0
Treatment
cover crope1
Interactor
nematodeNematodae1pest
Second interactor
arthropode1pest
Outcome
nematode and arthropod pest populationse1
Direction
lowere1

Not reportedComparator

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

Vitis
Vitis · Taxon · picture of the genus (one of its species)Victor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“A Berber orchardgrass cover crop reduced the growth and yield of Cabernet Sauvignon grapevines”

✓ located verbatim in the source · abstract, characters 0–94 · show in text ↑
e1

“Some nematode and arthropod pest populations were significantly lower in the cover crop plots”

✓ located verbatim in the source · abstract, characters 96–189 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

One pest population was higher in the cover crop plots.

Taxon
grapevinesVitise0
Treatment
cover crope1
Outcome
pest populatione1
Direction
highere2

Not reportedComparator

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

Vitis
Vitis · Taxon · picture of the genus (one of its species)Victor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“A Berber orchardgrass cover crop reduced the growth and yield of Cabernet Sauvignon grapevines”

✓ located verbatim in the source · abstract, characters 0–94 · show in text ↑
e1

“Some nematode and arthropod pest populations were significantly lower in the cover crop plots”

✓ located verbatim in the source · abstract, characters 96–189 · show in text ↑
e2

“one was higher”

✓ located verbatim in the source · abstract, characters 191–205 · show in text ↑

cover crop · yield · VitisResults differ

15 papers: 6 positive, 9 negative or no effect

8 papers in the same direction as this paper · 6 in the opposite direction

  1. no effect
  2. no effect
  3. positive

11 papers more in this group

See all 15 papers →

cover crop · pest · VitisPositive and negative results

3 papers: 1 positive, 2 negative or no effect

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

  1. positive
  2. negative
See all 3 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.