Paper · 2009 · HortTechnology

Sowing Date, Transplanting Date, and Variety Effect on Transplanted Short-day Onion Production

George E. Boyhan; Reid L. Torrance; Jeff Cook; et al.

6
claims
8
verbatim quotes
8
citations
1
research areas
✓
Open access

Abstract

Onions ( Allium cepa ) produced in southeastern Georgia's Vidalia-growing region are primarily grown from on-farm produced bareroot transplants, which are usually sown at the end of September. These transplants are pulled midwinter (November to January) and reset to their final spacing. This study was to evaluate sowing date, transplanting date, and variety effect on yield and quality of onions. Beginning in the first week of November, onions can be transplanted until the end of December with reasonable yield and quality. For example, in the 2003–04 season, total yield of onions transplanted on 22 Dec. 2003 did not differ from any onions transplanted on earlier dates in November or December. In the 2004–05 season, onions transplanted on 20 Dec. 2004, had lower total yield than onions transplanted in November, but were not different from onions transplanted on 4 Jan. 2005. The propensity of some varieties to form double bulbs can be reduced with later sowing and transplanting dates. Sowing the first week of October rather than the fourth week of September and transplanting in December rather than November can reduce double bulbs in some varieties.

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Claims 6

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Onions transplanted from early November through late December had reasonable yield and quality.

Taxon
onionsAllium cepae0
Outcome
reasonable yield and qualitye0
Qualifier
Beginning in the first week of Novembere0

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Beginning in the first week of November, onions can be transplanted until the end of December with reasonable yield and quality.”

✓ located verbatim in the source · abstract, characters 399–527 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

In 2003–04, 22 Dec. 2003 transplanting had total yield similar to earlier November and December dates.

Taxon
onionsAllium cepae0
Treatment
transplanted on 22 Dec. 2003e0
Outcome
total yielde0
Direction
did not differe0
Qualifier
2003–04 seasone0
Comparator
earlier dates in November or Decembere0

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“in the 2003–04 season, total yield of onions transplanted on 22 Dec. 2003 did not differ from any onions transplanted on earlier dates in November or December.”

✓ located verbatim in the source · abstract, characters 541–700 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In 2004–05, 20 Dec. 2004 transplants had lower total yield than November transplants.

Taxon
onionsAllium cepae0
Treatment
transplanted on 20 Dec. 2004e0
Outcome
total yielde0
Direction
lowere0
Qualifier
2004–05 seasone0
Comparator
onions transplanted in Novembere0

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“In the 2004–05 season, onions transplanted on 20 Dec. 2004, had lower total yield than onions transplanted in November”

✓ located verbatim in the source · abstract, characters 701–819 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

In 2004–05, 20 Dec. 2004 and 4 Jan. 2005 transplant dates had similar total yield.

Taxon
onionsAllium cepae0
Treatment
transplanted on 20 Dec. 2004e0
Outcome
total yielde0
Direction
not differente0
Comparator
onions transplanted on 4 Jan. 2005e0

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“In the 2004–05 season, onions transplanted on 20 Dec. 2004, had lower total yield than onions transplanted in November, but were not different from onions transplanted on 4 Jan. 2005.”

✓ located verbatim in the source · abstract, characters 701–884 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Later sowing reduced double bulbs in some onion varieties.

Taxon
OnionsAllium cepae1
Treatment
later sowinge0
Outcome
propensity of some varieties to form double bulbse0
Direction
reducede0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The propensity of some varieties to form double bulbs can be reduced with later sowing and transplanting dates.”

✓ located verbatim in the source · abstract, characters 885–996 · show in text ↑
e1

“Onions ( Allium cepa )”

✓ located verbatim in the source · abstract, characters 0–22 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Later transplanting reduced double bulbs in some onion varieties.

Taxon
OnionsAllium cepae1
Treatment
transplanting datese0
Outcome
propensity of some varieties to form double bulbse0
Direction
reducede0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The propensity of some varieties to form double bulbs can be reduced with later sowing and transplanting dates.”

✓ located verbatim in the source · abstract, characters 885–996 · show in text ↑
e1

“Onions ( Allium cepa )”

✓ located verbatim in the source · abstract, characters 0–22 · show in text ↑

transplanting · yield · Allium cepa (onion)Positive and negative results

71 papers: 62 positive, 9 negative or no effect

8 papers in the same direction as this paper · 62 in the opposite direction

  1. positive
  2. negative
  3. negative

67 papers more in this group

See all 71 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.