Intervention effectmodel-written summary

Most proplastids in relatively healthy cells near calcium deficient autolytic cells lacked starch, whereas control proplastids contained abundant starch.

A claim from Calcium deficiency and plant ultrastructure · 1979

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Most proplastids in relatively healthy cells near calcium deficient autolytic cells lacked starch, whereas control proplastids contained abundant starch.

Organ / stage
proplastidse0
Treatment
calcium deficiencye0
Outcome
starche0
Direction
did not containe0
Comparator
control plantse0

Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Most of the proplastids in relatively healthy‐looking cells in the neighborhood of the cells with calcium deficiency autolysis did not contain starch, while starch was abundant in most of the proplastids in the corresponding tissue of the control plants.”

✓ located verbatim in the source · abstract, characters 677–931
t0

“developing potato sprouts”

✓ located verbatim in the source · abstract, characters 43–68

Title

Calcium deficiency and plant ultrastructure

Ch. Hecht‐Buchholz Communications in Soil Science and Plant Analysis 1979. doi:10.1080/00103627909366879

Other claims from this paper (3)

Record rev-660d8a075be475cd18bf6ee18b3696785564f3361403b1fe2baf7e7197dbb19a · schema claims-v0.9 · position 3 in the model’s answer

calcium atom · quality: sugar starch · Solanum tuberosum (potato)Results agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this claim

This claim is about lacking the nutrient, so it counts the other way round here.

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
See all 6 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.