Abstract
Germination behaviour of Briza maxima L. seeds was studied in relation to different environmental parameters. The influence of harvesting time and after-ripening time of the seeds were also considered. Caryopses were collected at maturity at the beginning and end of June (harvest1 and harvest2) from wild populations located at the Orbetello Lagoon (Italy) and were germinated in deionized water or NaC 1 solutions at 10, 20 and 30 degrees C in the dark or under 12/12 h photoperiod. The results obtained showed that: (i) immediately after collection, germination rate was higher for harvest 2 seeds, (ii) seed germination was not significatively affected by the light; (iii) optimum temperature was at 20 degrees C, at which germination started earlier, (iv) germination percentages at 10 days of culture progressively increased during 6 months of after-ripening; (v) the presence of NaCl in the culture medium reduced the germination rates (above all of harvest1 seeds) and seedling growth, but did not induce damage (e.g. necrosis of the root tip).
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Claims 8
Claim · model-written summary
Immediately after collection, harvest 2 seeds germinated at a higher rate.
- Taxon
- Briza maxima L.
Briza maximat0 - Material
- harvest 2 seedse0
- Outcome
- germination ratee0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“immediately after collection, germination rate was higher for harvest 2 seeds”
t0“Briza maxima L. seeds”
Claim · model-written summary
Light did not significantly affect seed germination.
- Taxon
- Briza maxima L.Briza maximat0
- Treatment
- lighte0
- Outcome
- seed germinatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed germination was not significatively affected by the light”
t0“Briza maxima L. seeds”
Claim · model-written summary
The optimum germination temperature was 20 degrees C.
- Taxon
- Briza maxima L.Briza maximat0
- Outcome
- optimum temperaturee0
- Direction
- optimume0
- Value
- 20 degrees Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“optimum temperature was at 20 degrees C”
t0“Briza maxima L. seeds”
Claim · model-written summary
At 20 degrees C germination started earlier.
- Taxon
- Briza maxima L.Briza maximat0
- Treatment
- 20 degrees Ce1
- Outcome
- germination startede0
- Direction
- earliere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at which germination started earlier”
t0“Briza maxima L. seeds”
e1“optimum temperature was at 20 degrees C”
Claim · model-written summary
Germination percentage at day 10 progressively increased over six months of after-ripening.
- Taxon
- Briza maxima L.Briza maximat0
- Treatment
- after-ripeninge0
- Outcome
- germination percentagese0
- Direction
- increasede0
- Qualifier
- 10 days of culturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination percentages at 10 days of culture progressively increased during 6 months of after-ripening”
t0“Briza maxima L. seeds”
Claim · model-written summary
NaCl reduced germination rates, especially in harvest 1 seeds.
- Taxon
- Briza maxima L.Briza maximat0
- Material
- harvest1 seedse0
- Treatment
- NaCle0
- Outcome
- germination ratese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the presence of NaCl in the culture medium reduced the germination rates (above all of harvest1 seeds)”
t0“Briza maxima L. seeds”
Claim · model-written summary
NaCl reduced seedling growth.
- Taxon
- Briza maxima L.Briza maximat0
- Treatment
- NaCle0
- Outcome
- seedling growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the presence of NaCl in the culture medium reduced the germination rates (above all of harvest1 seeds) and seedling growth”
t0“Briza maxima L. seeds”
Claim · model-written summary
NaCl did not induce damage such as root-tip necrosis.
- Taxon
- Briza maxima L.Briza maximat0
- Treatment
- NaCle1
- Outcome
- damage (e.g. necrosis of the root tip)e0
- Direction
- did not inducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“did not induce damage (e.g. necrosis of the root tip)”
t0“Briza maxima L. seeds”
e1“the presence of NaCl in the culture medium reduced the germination rates (above all of harvest1 seeds)”