Paper · 1997 · Applied Engineering in Agriculture

THE INFLUENCE OF HARVEST MATURITY, CURING AND STORAGE CONDITIONS UPON THE STORABILITY OF SWEET ONIONS

B. W. Maw; D. A. Smittle; B. G. Mullinix

11
claims
25
verbatim quotes
12
citations
2
research areas
—
Not open access

Abstract

Granex onions were harvested during three seasons at three levels of maturity of either early, optimum or late,cured for three durations of either 24, 48, or 72 h and stored in an air-conditioned environment of either a high or lowhumidity under a common temperature. Storability was measured by the rate of decay of onions in storage. When storedin an air-conditioned room, sweet onions eventually decayed, but their rate of decay was influenced by the treatments.Overall storability: diminished more rapidly beyond 10 weeks than before 10 weeks; was higher for early harvestedonions; was enhanced by 48 h of curing; and was enhanced by an environment of low humidity. Storability by harvestmaturity: was not enhanced by curing beyond 24 h for late and 48 h for optimal harvest onions, but for early harvestedonions storability was enhanced by curing as much as 72 h. Of all treatments, harvest maturity had the greatest influenceupon storability. Even though onions of an early harvest maturity had a higher storability than other maturities ofharvest, the onions had not reached their highest quality nor their maximum yield and so the optimal harvest maturitywas a compromise between yield, quality and storability.

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Claims 11

Observationobservedoriginal resultmeasured

Claim · model-written summary

Sweet onions stored in an air-conditioned room eventually decayed.

Taxon
sweet onionse1
Outcome
decayede1

Verbatim

e1

“When storedin an air-conditioned room, sweet onions eventually decayed”

✓ located verbatim in the source · abstract, characters 336–406 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Overall storability of sweet onions diminished more rapidly beyond 10 weeks than before 10 weeks.

Taxon
SWEET ONIONSt0
Outcome
Overall storabilitye1
Direction
diminishede1
Qualifier
beyond 10 weeks than before 10 weekse1

Verbatim

e1

“Overall storability: diminished more rapidly beyond 10 weeks than before 10 weeks”

✓ located verbatim in the source · abstract, characters 465–546 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Onions of early harvest maturity had higher storability than other harvest maturities.

Taxon
SWEET ONIONSt0
Treatment
early harvest maturitye1
Outcome
storabilitye1
Direction
highere1
Comparator
other maturities ofharveste1

Verbatim

e1

“onions of an early harvest maturity had a higher storability than other maturities ofharvest”

✓ located verbatim in the source · abstract, characters 961–1053 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Curing for 48 h enhanced overall storability of sweet onions.

Taxon
SWEET ONIONSt0
Treatment
48 h of curinge2
Outcome
Overall storabilitye1
Direction
enhancede2

Not reportedComparator

Verbatim

e1

“Overall storability”

✓ located verbatim in the source · abstract, characters 465–484 · show in text ↑
e2

“was enhanced by 48 h of curing”

✓ located verbatim in the source · abstract, characters 586–616 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A low-humidity storage environment enhanced overall storability of sweet onions.

Taxon
SWEET ONIONSt0
Treatment
environment of low humiditye2
Outcome
Overall storabilitye1
Direction
enhancede2

Not reportedComparator

Verbatim

e1

“Overall storability”

✓ located verbatim in the source · abstract, characters 465–484 · show in text ↑
e2

“was enhanced by an environment of low humidity”

✓ located verbatim in the source · abstract, characters 622–668 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

For late-harvested onions, storability was not enhanced by curing beyond 24 h.

Taxon
SWEET ONIONSt0
Treatment
curing beyond 24 he2
Outcome
Storabilitye1
Direction
not enhancede2
Qualifier
latee2

Not reportedComparator

Verbatim

e1

“Storability by harvestmaturity”

✓ located verbatim in the source · abstract, characters 670–700 · show in text ↑
e2

“was not enhanced by curing beyond 24 h for late”

✓ located verbatim in the source · abstract, characters 702–749 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

For optimal-harvest onions, storability was not enhanced by curing beyond 48 h.

Taxon
SWEET ONIONSt0
Treatment
48 h for optimal harvest onionse2
Outcome
Storabilitye1
Direction
not enhancede2

Not reportedComparator

Verbatim

e1

“Storability by harvestmaturity”

✓ located verbatim in the source · abstract, characters 670–700 · show in text ↑
e2

“was not enhanced by curing beyond 24 h for late and 48 h for optimal harvest onions”

✓ located verbatim in the source · abstract, characters 702–785 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

For early-harvested onions, storability was enhanced by curing for as much as 72 h.

Taxon
SWEET ONIONSt0
Treatment
curing as much as 72 he1
Outcome
storabilitye1
Direction
enhancede1
Qualifier
early harvestedonionse1

Not reportedComparator

Verbatim

e1

“for early harvestedonions storability was enhanced by curing as much as 72 h”

✓ located verbatim in the source · abstract, characters 791–867 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Of all treatments, harvest maturity had the greatest influence on storability.

Taxon
SWEET ONIONSt0
Treatment
harvest maturitye1
Outcome
storabilitye1
Direction
greatest influencee1
Comparator
all treatmentse1

Verbatim

e1

“Of all treatments, harvest maturity had the greatest influence upon storability”

✓ located after whitespace/quote normalisation · abstract, characters 869–947 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Early-harvested onions had not reached their highest quality or maximum yield.

Taxon
SWEET ONIONSt0
Outcome
highest quality nor their maximum yielde1
Direction
not reachede1

Verbatim

e1

“the onions had not reached their highest quality nor their maximum yield”

✓ located verbatim in the source · abstract, characters 1055–1127 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors conclude that the optimal harvest maturity is a compromise between yield, quality and storability.

Taxon
SWEET ONIONSt0
Outcome
optimal harvest maturity was a compromise between yield, quality and storabilitye1

Verbatim

e1

“the optimal harvest maturity was a compromise between yield, quality and storability”

✓ located after whitespace/quote normalisation · abstract, characters 1135–1218 · show in text ↑
t0

“STORABILITY OF SWEET ONIONS”

✓ located verbatim in the source · title, characters 74–101 · show in text ↑

climate site · quality: postharvest · Allium cepa (onion)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

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

  1. negative
  2. positive
See all 3 papers →

humidity · quality: postharvest · Allium cepa (onion)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

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

  1. negative
  2. positive
See all 3 papers →

stage · quality: postharvest · Allium cepa (onion)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

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

  1. negative
  2. negative
  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.