Abstract
A field experiment was conducted at Spices Research Sub-Centre (SRSC), Bangladesh Agricultural Research Institute (BARI), Faridpur, Bangladesh during the winter season of 2018-2019 to investigate the influences of transplanting times of seedlings and the varieties on the yield and quality of onion bulbs. There were six levels of transplanting time such as T1: November 15, T2: November 30, T3: December 15, T4: December 30, T5: January 14 and T6: January 29 under the trial. The varieties used in the study were: BARI Onion-1 and BARI Onion-4. The experiment was laid out in a randomized complete block design (RCBD) of factorial concept with three replications. The results revealed that dates of transplanting, varieties and their combined effects had significant effect on the parameters studied with minor exception. The plant height, number of leaves/plant and incidence of bolting were decreased with the passage of transplanting time. The maximum values (54.51 cm, 8.53 and 71.28%) of the aforementioned traits were recorded at early transplanting on November 15, respectively. The reduced percent of bolting (2.22%) was observed at December 30. While no incidence of bolting was found under transplanting on 14-29 January. Bulb diameter, individual bulb weight, yield, total soluble solid content and dry matter content of bulb were increased up to transplanting on December 15. Afterwards the values of aforesaid parameters were gradually decreased. The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha). The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well. The variety BARI Onion-4 performed better in respect of yield and yield attributes but it showed inferior quality. The combined effect of December 15 x BARI Onion-4 gave the highest yield attributes and yield of onion followed by the combination of November 30 x BARI Onion-4 and December 30 x BARI Onion-4 while the values among the three treatments were statistically similar.
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Claims 14
Claim · model-written summary
Later transplanting decreased onion plant height, leaves per plant and bolting incidence.
- Taxon
- onion
Allium cepat0 - Treatment
- transplanting timee0
- Outcome
- plant height, number of leaves/plant and incidence of boltinge0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plant height, number of leaves/plant and incidence of bolting were decreased with the passage of transplanting time”
t0“onion”
Claim · model-written summary
November 15 transplanting gave the maximum onion plant height of 54.51 cm.
- Taxon
- onionAllium cepat1
- Treatment
- early transplanting on November 15e0
- Direction
- maximume0
- Value
- 54.51 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum values (54.51 cm, 8.53 and 71.28%) of the aforementioned traits were recorded at early transplanting on November 15, respectively”
t0“The plant height”
t1“onion”
Claim · model-written summary
November 15 transplanting gave the maximum 8.53 leaves per plant.
- Taxon
- onionAllium cepat1
- Treatment
- early transplanting on November 15e0
- Outcome
- number of leaves/plantt0
- Direction
- maximume0
- Value
- 8.53e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum values (54.51 cm, 8.53 and 71.28%) of the aforementioned traits were recorded at early transplanting on November 15, respectively”
t0“number of leaves/plant”
t1“onion”
Claim · model-written summary
December 30 transplanting reduced bolting to 2.22%.
- Taxon
- onionAllium cepat0
- Treatment
- December 30e0
- Outcome
- percent of boltinge0
- Direction
- reducede0
- Value
- 2.22%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduced percent of bolting (2.22%) was observed at December 30”
t0“onion”
Claim · model-written summary
Transplanting on 14-29 January resulted in no bolting.
- Taxon
- onionAllium cepat0
- Treatment
- transplanting on 14-29 Januarye0
- Outcome
- no incidence of boltinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no incidence of bolting was found under transplanting on 14-29 January”
t0“onion”
Claim · model-written summary
Bulb diameter and individual bulb weight increased through December 15 transplanting then declined.
- Taxon
- onionAllium cepat0
- Treatment
- transplanting on December 15e0
- Outcome
- Bulb diameter, individual bulb weighte0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bulb diameter, individual bulb weight, yield, total soluble solid content and dry matter content of bulb were increased up to transplanting on December 15. Afterwards the values of aforesaid parameters were gradually decreased”
t0“onion”
Claim · model-written summary
December 15 transplanting produced the highest onion yield of 17.65 t/ha.
- Taxon
- onionAllium cepat0
- Treatment
- December 15e0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 17.65 t/hae0
- Qualifier
- 16.30 t/hae0
- Comparator
- December 30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha)”
t0“onion”
Claim · model-written summary
December 15 transplanting produced the highest soluble solids of 17.02 0brix.
- Taxon
- onionAllium cepat0
- Treatment
- December 15e0
- Outcome
- total soluble solid contente0
- Direction
- higheste0
- Value
- 17.02 0brixe0
- Comparator
- December 30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha)”
t0“onion”
Claim · model-written summary
December 15 transplanting produced the highest bulb dry matter content of 15.95%.
- Taxon
- onionAllium cepat0
- Treatment
- December 15e0
- Outcome
- dry matter content of bulbe0
- Direction
- higheste0
- Value
- 15.95%e0
- Comparator
- December 30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha)”
t0“onion”
Claim · model-written summary
January 29 transplanting reduced onion yield to 6.72 t/ha.
- Taxon
- onionAllium cepat0
- Treatment
- delayed transplanting on 29 Januarye0
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 6.72 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well”
t0“onion”
Claim · model-written summary
January 29 transplanting reduced soluble solids to 12.58 0brix.
- Taxon
- onionAllium cepat0
- Treatment
- delayed transplanting on 29 Januarye0
- Outcome
- total soluble solid contente0
- Direction
- reducede0
- Value
- 12.58 0brixe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well”
t0“onion”
Claim · model-written summary
January 29 transplanting reduced bulb dry matter content to 11.61%.
- Taxon
- onionAllium cepat0
- Treatment
- delayed transplanting on 29 Januarye0
- Outcome
- dry matter content of bulbe0
- Direction
- reducede0
- Value
- 11.61%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well”
t0“onion”
Claim · model-written summary
BARI Onion-4 had better yield and yield attributes but inferior quality.
- Taxon
- onionAllium cepat0
- Material
- BARI Onion-4e0
- Outcome
- yield and yield attributese0
- Direction
- bettere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The variety BARI Onion-4 performed better in respect of yield and yield attributes but it showed inferior quality”
t0“onion”
Claim · model-written summary
December 15 with BARI Onion-4 gave highest yield attributes and yield; November 30 and December 30 combinations were statistically similar.
- Taxon
- onionAllium cepae0
- Material
- BARI Onion-4e0
- Treatment
- December 15 x BARI Onion-4e0
- Outcome
- yield attributes and yield of onione0
- Direction
- higheste0
- Comparator
- November 30 x BARI Onion-4e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined effect of December 15 x BARI Onion-4 gave the highest yield attributes and yield of onion followed by the combination of November 30 x BARI Onion-4 and December 30 x BARI Onion-4 while the values among the three treatments were statistically similar”
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