Abstract
Onion is an important vegetable crop grown in almost all parts of the World as a flavouring agent in food preparation. It is propagated by seeds and the seed crop is affected by several fungal, viral and bacterial diseases which cause lodging and reduces the seed yield and quality. Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm) for two duration at 45 or 45+60 days after planting during (DAP) during 2018-19 and 2019-20 rabi seasons. The effect of ethephon on seed yield and seed quality was studied. In comparison to control ethephon application significantly reduced scape length and % lodging by 38.73% and 42.52% respectively. There was 31.90% and 89% enhancement in scape diameter and yield respectively. Ethephon spray also enhanced seed quality, highest germination and seed vigour was recorded in plants sprayed with 600 ppm ethephon at 45 and 60 DAP which was 19% and 51.65% higher than control. Highest seedling dry weight was observed in plants sprayed with 100 ppm ethephon at 45 DAP. Among the treatments, 100 and 200 ppm ethephon applied at 45 DAP had lower lodging and higher seed yield and seed quality. Hence spraying of onion seed crop with 100 ppm ethephon at 45 DAP is beneficial for getting higher seed yield and quality.
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Claims 10
Claim · model-written summary
Ethephon application significantly reduced onion scape length by 38.73% relative to control.
- Taxon
- Onion
Allium cepae0 - Treatment
- ethephone0
- Outcome
- scape lengthe1
- Direction
- reducede1
- Value
- 38.73%e1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e1“In comparison to control ethephon application significantly reduced scape length and % lodging by 38.73% and 42.52% respectively”
Claim · model-written summary
Ethephon application significantly reduced onion % lodging by 42.52% relative to control.
- Taxon
- OnionAllium cepae0
- Treatment
- ethephone0
- Outcome
- % lodginge1
- Direction
- reducede1
- Value
- 42.52%e1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e1“In comparison to control ethephon application significantly reduced scape length and % lodging by 38.73% and 42.52% respectively”
Claim · model-written summary
Ethephon enhanced onion scape diameter by 31.90% relative to control.
- Taxon
- OnionAllium cepae0
- Treatment
- ethephone0
- Outcome
- scape diametere2
- Direction
- enhancemente2
- Value
- 31.90%e2
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e1“In comparison to control ethephon application significantly reduced scape length and % lodging by 38.73% and 42.52% respectively”
e2“There was 31.90% and 89% enhancement in scape diameter and yield respectively”
Claim · model-written summary
Ethephon enhanced onion seed yield by 89% relative to control.
- Taxon
- OnionAllium cepae0
- Treatment
- ethephone0
- Outcome
- yielde2
- Direction
- enhancemente2
- Value
- 89%e2
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e1“In comparison to control ethephon application significantly reduced scape length and % lodging by 38.73% and 42.52% respectively”
e2“There was 31.90% and 89% enhancement in scape diameter and yield respectively”
Claim · model-written summary
Germination of seed from onion plants sprayed with 600 ppm ethephon at 45 and 60 DAP was highest, 19% higher than control.
- Taxon
- OnionAllium cepae0
- Treatment
- 600 ppm ethephon at 45 and 60 DAPe3
- Outcome
- germinatione3
- Direction
- highere3
- Value
- 19%e3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e3“highest germination and seed vigour was recorded in plants sprayed with 600 ppm ethephon at 45 and 60 DAP which was 19% and 51.65% higher than control”
Claim · model-written summary
Seed vigour of onion plants sprayed with 600 ppm ethephon at 45 and 60 DAP was highest, 51.65% higher than control.
- Taxon
- OnionAllium cepae0
- Treatment
- 600 ppm ethephon at 45 and 60 DAPe3
- Outcome
- seed vigoure3
- Direction
- highere3
- Value
- 51.65%e3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e3“highest germination and seed vigour was recorded in plants sprayed with 600 ppm ethephon at 45 and 60 DAP which was 19% and 51.65% higher than control”
Claim · model-written summary
The highest seedling dry weight was observed in onion plants sprayed with 100 ppm ethephon at 45 DAP.
- Taxon
- OnionAllium cepae0
- Treatment
- 100 ppm ethephon at 45 DAPe4
- Outcome
- seedling dry weighte4
- Direction
- Higheste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e4“Highest seedling dry weight was observed in plants sprayed with 100 ppm ethephon at 45 DAP”
Claim · model-written summary
Among treatments, 100 and 200 ppm ethephon applied at 45 DAP gave lower lodging in onion.
- Taxon
- OnionAllium cepae0
- Treatment
- 100 and 200 ppm ethephon applied at 45 DAPe5
- Outcome
- lodginge5
- Direction
- lowere5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e5“100 and 200 ppm ethephon applied at 45 DAP had lower lodging and higher seed yield and seed quality”
Claim · model-written summary
Among treatments, 100 and 200 ppm ethephon applied at 45 DAP gave higher onion seed yield and seed quality.
- Taxon
- OnionAllium cepae0
- Treatment
- 100 and 200 ppm ethephon applied at 45 DAPe5
- Outcome
- seed yield and seed qualitye5
- Direction
- highere5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Onion seed crop was sprayed with different concentration of ethephon (0, 100, 200, 400, 600, 800 and 1000 ppm)”
e5“100 and 200 ppm ethephon applied at 45 DAP had lower lodging and higher seed yield and seed quality”
Claim · model-written summary
Spraying onion seed crop with 100 ppm ethephon at 45 DAP is recommended for higher seed yield and quality.
- Taxon
- onionAllium cepae6
- Treatment
- 100 ppm ethephon at 45 DAPe6
- Outcome
- higher seed yield and qualitye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“spraying of onion seed crop with 100 ppm ethephon at 45 DAP is beneficial for getting higher seed yield and quality”
The same questions in other papers
(2-chloroethyl)phosphonic acid · yield · Allium cepa (onion)Results differ
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5 papers in the same direction as this paper · 5 in the opposite direction
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- negative
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See all 11 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.