Abstract
Wildolive seeds ( Olea europaea L. var. sylvestris), calledoleaster do not germinate when placedun- der favourable conditions. In a series of experiments the effects of the harvest date, the endosperm, the tegu- ment, andthe coldtreatment were evaluatedon germination of seeds andembryos. The germination percent- age of embryos and seeds harvested at different harvest dates increased during October month, these percent- ages decreased during November month, whereas no seeds and embryos harvested on the middle of Decem- ber germinated. Embryo germinability was always higher than seed germinability, and this may be due to an inhibiting effect of the teguments and the endosperm on seed germination. Such dormancy, which gradually increased during maturation, could reside mainly in the endosperm and partly within the embryo. The cold treatment at 4°C for four to thirteen days increased seed and embryo germinability, whereas lengthening time at this temperature showeda negative effect on seedgermination. The germination of seeds andembryos from six wildolive trees was also examinedby recording the germination percentage andminimum imbibi - tion time (Tmi).
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Claims 10
Claim · model-written summary
Wild olive seeds did not germinate under favourable conditions.
- Taxon
- Olea europaea L. var. sylvestris
Olea europaea var. sylvestrise0 - Outcome
- do not germinatee0
- Qualifier
- favourable conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wildolive seeds ( Olea europaea L. var. sylvestris), calledoleaster do not germinate when placedun- der favourable conditions”
Claim · model-written summary
Germination percentages of embryos and seeds increased during October.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Outcome
- germination percent- age of embryos and seedse0
- Direction
- increasede0
- Qualifier
- October monthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The germination percent- age of embryos and seeds harvested at different harvest dates increased during October month”
t0“wild olive”
Claim · model-written summary
Germination percentages of embryos and seeds decreased during November.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Outcome
- percent- agese0
- Direction
- decreasede0
- Qualifier
- November monthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these percent- ages decreased during November month”
t0“wild olive”
Claim · model-written summary
No mid-December-harvested seeds or embryos germinated.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Outcome
- no seeds and embryos harvested on the middle of Decem- ber germinatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no seeds and embryos harvested on the middle of Decem- ber germinated”
t0“wild olive”
Claim · model-written summary
Embryos were consistently more germinable than whole seeds.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Outcome
- Embryo germinabilitye0
- Direction
- highere0
- Comparator
- seed germinabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Embryo germinability was always higher than seed germinability”
t0“wild olive”
Claim · model-written summary
Teguments and endosperm may inhibit seed germination.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Organ / stage
- teguments and the endosperme0
- Outcome
- seed germinatione0
- Qualifier
- inhibiting effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this may be due to an inhibiting effect of the teguments and the endosperm on seed germination”
t0“wild olive”
Claim · model-written summary
Dormancy gradually increased during maturation.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Outcome
- dormancye0
- Direction
- increasede0
- Qualifier
- during maturatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Such dormancy, which gradually increased during maturation”
t0“wild olive”
Claim · model-written summary
Dormancy could reside mainly in the endosperm and partly in the embryo.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Organ / stage
- endosperm and partly within the embryoe0
- Outcome
- dormancye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“could reside mainly in the endosperm and partly within the embryo”
e1“Such dormancy”
t0“wild olive”
Claim · model-written summary
Cold treatment at 4°C for four to thirteen days increased seed and embryo germinability.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Treatment
- cold treatment at 4°C for four to thirteen dayse0
- Outcome
- seed and embryo germinabilitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cold treatment at 4°C for four to thirteen days increased seed and embryo germinability”
t0“wild olive”
Claim · model-written summary
Longer cold treatment at 4°C negatively affected seed germination.
- Taxon
- wild oliveOlea europaea var. sylvestrist0
- Treatment
- lengthening time at this temperaturee0
- Outcome
- seedgerminatione0
- Direction
- negative effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lengthening time at this temperature showeda negative effect on seedgermination”
t0“wild olive”
The same questions in other papers
cold · growth · Olea europaea (common olive)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 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.