Abstract
Field and laboratory experiments were carried out in order to investigate the influence of 3 sowing dates and 4 irrigation disruption treatments at different growth stages on the seed yield and quality of dill (Anethum graveolens L.). The results showed that for successful seed production dill must be sown in early spring (3 to 18 April), since there was no significant difference in seed yield between the sowing dates of 3 April (S1) and 18 April (S2). Seeds from S1 sowing had a higher percentage of germination after accelerated ageing (AA), a faster germination rate and a heavier seedling dry weight (SDW), compared to S2 and S3 (4 May). Irrigation disruption during stem elongation (I1) and umbel appearance (I2) had no significant effect on mean seed weight, AA germination, mean germination time (MGT) or SDW of harvested seeds. However, water deficit during seed filling (I3) reduced seed vigour significantly. Although irrigation disruption at this stage (I3) had no considerable effect on the seed yield of dill, it reduced seed quality and vigour, especially at later sowings (S2 and S3). Therefore, it was recommended that for producing high quality dill seeds it is necessary to provide sufficient water during seed filling.
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Claims 10
Claim · model-written summary
Dill seed yield did not differ significantly between 3 April and 18 April sowing.
- Taxon
- dill (Anethum graveolens L.)
Anethum graveolense1 - Treatment
- 3 April (S1)e0
- Outcome
- seed yielde0
- Direction
- no significant differencee0
- Comparator
- 18 April (S2)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no significant difference in seed yield between the sowing dates of 3 April (S1) and 18 April (S2)”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Seeds from 3 April sowing had higher germination after accelerated ageing than seeds from later sowings.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- S1 sowinge0
- Outcome
- percentage of germination after accelerated ageing (AA)e0
- Direction
- highere0
- Comparator
- S2 and S3 (4 May)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds from S1 sowing had a higher percentage of germination after accelerated ageing (AA), a faster germination rate and a heavier seedling dry weight (SDW), compared to S2 and S3 (4 May)”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Seeds from 3 April sowing germinated faster than seeds from later sowings.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- S1 sowinge0
- Outcome
- germination ratee0
- Direction
- fastere0
- Comparator
- S2 and S3 (4 May)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds from S1 sowing had a higher percentage of germination after accelerated ageing (AA), a faster germination rate and a heavier seedling dry weight (SDW), compared to S2 and S3 (4 May)”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Seedlings from 3 April sowing had heavier dry weight than those from later sowings.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- S1 sowinge0
- Outcome
- seedling dry weight (SDW)e0
- Direction
- heaviere0
- Comparator
- S2 and S3 (4 May)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds from S1 sowing had a higher percentage of germination after accelerated ageing (AA), a faster germination rate and a heavier seedling dry weight (SDW), compared to S2 and S3 (4 May)”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Stem elongation irrigation disruption had no significant effect on mean seed weight, ageing germination or seedling dry weight.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- stem elongation (I1)e0
- Outcome
- mean seed weight, AA germination, mean germination time (MGT) or SDWe0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation disruption during stem elongation (I1) and umbel appearance (I2) had no significant effect on mean seed weight, AA germination, mean germination time (MGT) or SDW of harvested seeds”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Umbel appearance irrigation disruption had no significant effect on seed weight, ageing germination, germination time or seedling weight.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- umbel appearance (I2)e0
- Outcome
- mean seed weight, AA germination, mean germination time (MGT) or SDWe0
- Direction
- no significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation disruption during stem elongation (I1) and umbel appearance (I2) had no significant effect on mean seed weight, AA germination, mean germination time (MGT) or SDW of harvested seeds”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Water deficit during seed filling significantly reduced seed vigour.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense1
- Treatment
- water deficit during seed filling (I3)e0
- Outcome
- seed vigoure0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water deficit during seed filling (I3) reduced seed vigour significantly”
e1“dill (Anethum graveolens L.)”
Claim · model-written summary
Irrigation disruption during seed filling had no considerable effect on dill seed yield.
- Taxon
- dillAnethum graveolense0
- Treatment
- irrigation disruption at this stage (I3)e0
- Outcome
- seed yielde0
- Direction
- no considerable effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigation disruption at this stage (I3) had no considerable effect on the seed yield of dill”
Claim · model-written summary
Irrigation disruption during seed filling reduced seed quality and vigour, especially at later sowings.
- Taxon
- dill (Anethum graveolens L.)Anethum graveolense2
- Treatment
- irrigation disruption at this stage (I3)e1
- Outcome
- seed quality and vigoure0
- Direction
- reducede0
- Qualifier
- especially at later sowings (S2 and S3)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it reduced seed quality and vigour, especially at later sowings (S2 and S3)”
e1“irrigation disruption at this stage (I3)”
e2“dill (Anethum graveolens L.)”
Claim · model-written summary
The authors recommend sufficient water during seed filling to produce high quality dill seeds.
- Taxon
- dillAnethum graveolense0
- Outcome
- provide sufficient water during seed fillinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for producing high quality dill seeds it is necessary to provide sufficient water during seed filling”
The same questions in other papers
irrigation · yield · Anethum graveolens (dill)Positive and negative results
3 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- no effect
6 papers more in this group
See all 10 papers →drought · growth · Anethum graveolens (dill)Results agree
1 paper in the same direction as this paper
- negative
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.