Abstract
SUMMARY (2) Freshly-shed seeds of the four species above were tested for innate dormancy. The effects of light and of burial of seed were also studied. Many of the seeds of P. annua shed early in the season were innately dormant. Burial and darkness enforced dormancy on a proportion of the P. annua and P. trivialis seeds. Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness. (3) The results of the assessments of buried viable seed content are interpreted in the context of the history of the swards and the management practices applied. The presence or absence of dormancy mechanisms, together with the amount of seed produced and the chances of this seed being buried, are discussed in relation to the buried viable seed data. All the results are related to the known sequence of changes in sward botanical
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Claims 7
Claim · model-written summary
Many seeds of Poa annua shed early in the season were innately dormant.
Not reportedSettingValue
Verbatim
e1“Many of the seeds of P. annua shed early in the season were innately dormant”
Claim · model-written summary
Burial and darkness enforced dormancy on a proportion of P. annua seeds.
Not reportedComparatorSettingDirectionValue
Verbatim
e2“Burial and darkness enforced dormancy on a proportion of the P. annua and P. trivialis seeds”
Claim · model-written summary
Burial and darkness enforced dormancy on a proportion of P. trivialis seeds.
Not reportedComparatorSettingDirectionValue
Verbatim
e2“Burial and darkness enforced dormancy on a proportion of the P. annua and P. trivialis seeds”
Claim · model-written summary
Seeds of F. rubra had no innate dormancy.
Not reportedSettingValue
Verbatim
e3“Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness”
Claim · model-written summary
Seeds of L. perenne had no innate dormancy.
Not reportedSettingValue
Verbatim
e3“Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness”
Claim · model-written summary
Burial or darkness did not enforce dormancy in F. rubra seeds.
Not reportedComparatorSettingDirectionValue
Verbatim
e3“Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness”
Claim · model-written summary
Burial or darkness did not enforce dormancy in L. perenne seeds.
Not reportedComparatorSettingDirectionValue
Verbatim
e3“Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness”
The same questions in other papers
light · growth · Lolium perenne (perennial ryegrass)Positive and negative results
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See all 12 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.