Intervention effectmodel-written summary

Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.

A claim from Selection for Early Flowering in Corn1 · 1972

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.

Taxon
Zea mays L.Zea mayse0
Treatment
selection only for early floweringe1
Outcome
yielde2
Direction
increasee2
Value
1.00 q/hae2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Three late, serai‐exotic corn ( Zea mays L.) synthetics were selected (5% level) for early silking by sib‐mating over a six‐generation period; then the seven cycles (including original forms) were compared in performance trials at three plant densities over 2 years”

✓ located verbatim in the source · abstract, characters 0–265
e1

“Virtually every ' trait measured changed significantly due to selection only for early flowering.”

✓ located verbatim in the source · abstract, characters 267–364
e2

“Effect per cycle averaged: 1.00 q/ha yield increase; 1.2 points of percent H 2 O decrease; 2.8% stalk breakage increase; 7.2‐cm plant height decrease; 5.2‐cm ear height decrease; 1.8 days less to flower; and 0.3 days less silk delay.”

✓ located verbatim in the source · abstract, characters 365–598

Title

Selection for Early Flowering in Corn1

A. F. Troyer; W. L. Brown Crop Science 1972. doi:10.2135/cropsci1972.0011183x001200030014x

Other claims from this paper (9)

Record rev-71a9bd404eef86fccfdd2d17d7cf873995e4b02eb29c3900d5b5ca4e47fe2e2b · schema claims-v0.9 · position 2 in the model’s answer

stage · yield · Zea mays (maize)Positive and negative results

98 papers: 41 positive, 57 negative or no effect

40 papers in the same direction as this claim · 55 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect
  4. negative
  5. negative
  6. negative
  7. no effect
  8. negative

89 papers more in this group

See all 98 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.