Abstract
Abstract Quality parameters were measured in two seasons for seeds produced from early (sown November, harvested January) and late (sown December, harvested February) crops of garden pea (Pisum sativum L.) ‘Pania’. Harvest was by hand at 15% seed moisture content (SMC). Time of sowing had no effect on the germination of the seeds produced, but did affect seed vigour as both conductivity and hollow heart were greater in seeds from the November sown crop, and as a consequence, expected field emergence (EFE) was significantly lower. At a 40% SMC harvest in the second year of study, germination and conductivity did not differ between the two sowing dates and so the EFE also did not differ significantly. However as harvest was delayed until 25 and 15% SMC, there was a higher hollow heart incidence and higher conductivity in seeds from the early crop compared with the late crop. Seeds from the November sowing encountered greater climatic extremes (temperature, rainfall, and relative humidity) during their maturation in January than seeds from the December sowing which matured in February. Although the data are only from one cultivar at one site over two seasons, the results suggest that pea seed vigour and hence potential field and storage performance could be improved by sowing to avoid detrimental climate effects during seed development and ripening.
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Claims 9
Claim · model-written summary
Time of sowing had no effect on the germination of garden pea seeds produced.
- Taxon
- garden pea
Lathyrus oleraceust0 - Treatment
- Time of sowinge1
- Outcome
- germination of the seeds producede1
- Direction
- no_changeinferrede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e1“Time of sowing had no effect on the germination of the seeds produced, but did affect seed vigour as both conductivity and hollow heart were greater in seeds from the November sown crop”
Claim · model-written summary
Seeds from the November-sown crop had greater conductivity and hollow heart than seeds from the December-sown crop.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- Time of sowinge1
- Outcome
- conductivity and hollow hearte1
- Direction
- greatere1
- Comparator
- late (sown December, harvested February) cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e0“early (sown November, harvested January) and late (sown December, harvested February) crops of garden pea”
e1“Time of sowing had no effect on the germination of the seeds produced, but did affect seed vigour as both conductivity and hollow heart were greater in seeds from the November sown crop”
Claim · model-written summary
Expected field emergence was significantly lower for seeds from the November-sown crop.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- Time of sowinge1
- Outcome
- expected field emergence (EFE)e2
- Direction
- lowere2
- Comparator
- late (sown December, harvested February) cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e0“early (sown November, harvested January) and late (sown December, harvested February) crops of garden pea”
e1“Time of sowing had no effect on the germination of the seeds produced, but did affect seed vigour as both conductivity and hollow heart were greater in seeds from the November sown crop”
e2“expected field emergence (EFE) was significantly lower”
Claim · model-written summary
At a 40% SMC harvest, germination and conductivity did not differ between the two sowing dates.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- At a 40% SMC harveste3
- Outcome
- germination and conductivitye3
- Direction
- did not differe3
- Comparator
- between the two sowing datese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e3“At a 40% SMC harvest in the second year of study, germination and conductivity did not differ between the two sowing dates and so the EFE also did not differ significantly”
Claim · model-written summary
At a 40% SMC harvest, expected field emergence did not differ significantly between the two sowing dates.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- At a 40% SMC harveste3
- Outcome
- EFEe3
- Direction
- did not differ significantlye3
- Comparator
- between the two sowing datese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e3“At a 40% SMC harvest in the second year of study, germination and conductivity did not differ between the two sowing dates and so the EFE also did not differ significantly”
Claim · model-written summary
Delaying harvest to 25 and 15% SMC increased hollow heart incidence in the early crop compared with the late crop.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- harvest was delayed until 25 and 15% SMCe4
- Outcome
- hollow heart incidencee4
- Direction
- highere4
- Comparator
- compared with the late crope4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e0“early (sown November, harvested January) and late (sown December, harvested February) crops of garden pea”
e4“as harvest was delayed until 25 and 15% SMC, there was a higher hollow heart incidence and higher conductivity in seeds from the early crop compared with the late crop”
Claim · model-written summary
Delaying harvest to 25 and 15% SMC increased conductivity in the early crop compared with the late crop.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- harvest was delayed until 25 and 15% SMCe4
- Outcome
- conductivitye4
- Direction
- highere4
- Comparator
- compared with the late crope4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e0“early (sown November, harvested January) and late (sown December, harvested February) crops of garden pea”
e4“as harvest was delayed until 25 and 15% SMC, there was a higher hollow heart incidence and higher conductivity in seeds from the early crop compared with the late crop”
Claim · model-written summary
Pea seed vigour could be improved by sowing to avoid detrimental climate effects during seed development and ripening.
- Taxon
- garden peaLathyrus oleraceust0
- Outcome
- sowing to avoid detrimental climate effectse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e5“the results suggest that pea seed vigour and hence potential field and storage performance could be improved by sowing to avoid detrimental climate effects during seed development and ripening”
Claim · model-written summary
Seeds from the November sowing encountered greater climatic extremes during maturation in January.
- Taxon
- garden peaLathyrus oleraceust0
- Organ / stage
- during their maturatione6
- Outcome
- greater climatic extremese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effect of sowing date and harvest timing on seed vigour in garden pea ( Pisum sativum L.)”
e6“Seeds from the November sowing encountered greater climatic extremes (temperature, rainfall, and relative humidity) during their maturation in January”
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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.