Abstract
Ecological restoration of disturbed areas requires substantial knowledge of the germination of native plants and the creation of novel methods to increase seedling establishment in the field. We studied the effects of soil matrix priming on the germination of Dodonaea viscosa seeds, which exhibit physical dormancy. To this end, we buried both pre-scarified (in H2SO4, 3 min) and non-pre-scarified seeds in the Parque Ecológico de la Ciudad de México. After seeds were unearthed, they were post-scarified for 0, 2, 6 and 10 min and their germination percentages compared to the germination of a control batch of laboratory-stored seeds. For both control and unearthed seeds, the protein pattern was determined in the enriched storage protein fraction in SDS-PAGE gels stained with Coomassie blue. Percentage germination increased as the scarification time increased. Pre-scarification significantly increased percentage germination of post-scarified seeds in relation to the control and non-pre-scarified seeds. In seeds unearthed from the forest site, the buried pre-scarified seeds had relatively high percentage germination, even in the absence of post-scarification treatment. A 48-kDa protein was not found in unearthed, pre-scarified seeds nor in the control germinated seeds, indicating that mobilisation of this protein occurred during soil priming. Burying seeds for a short period, including the beginning of the rainy season, promoted natural priming, which increased protein mobilisation. Functionally, priming effects were reflected in high percentage seedling survival in both the shade house and the field. Seed burial also reduced the requirement for acidic post-scarification.
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Claims 9
Claim · model-written summary
Percentage germination of Dodonaea viscosa seeds increased as scarification time increased.
- Taxon
- Dodonaea viscosa
Dodonaea viscosae0 - Treatment
- scarification timee1
- Outcome
- Percentage germinatione1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Percentage germination increased as the scarification time increased”
Claim · model-written summary
Pre-scarification significantly increased percentage germination of post-scarified Dodonaea viscosa seeds relative to the control and non-pre-scarified seeds.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- Pre-scarificatione1
- Outcome
- percentage germinatione1
- Direction
- increasede1
- Comparator
- the control and non-pre-scarified seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Pre-scarification significantly increased percentage germination of post-scarified seeds in relation to the control and non-pre-scarified seeds”
Claim · model-written summary
Buried pre-scarified Dodonaea viscosa seeds unearthed from the forest site had relatively high percentage germination without post-scarification.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- buried pre-scarified seedse1
- Outcome
- percentage germinatione1
- Direction
- relatively highe1
- Qualifier
- in the absence of post-scarification treatmente1
- Setting
- forest sitee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“In seeds unearthed from the forest site, the buried pre-scarified seeds had relatively high percentage germination, even in the absence of post-scarification treatment”
Claim · model-written summary
A 48-kDa protein was not found in unearthed pre-scarified Dodonaea viscosa seeds or in control germinated seeds.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Gene
- A 48-kDa proteine1
- Outcome
- A 48-kDa protein was not founde1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“A 48-kDa protein was not found in unearthed, pre-scarified seeds nor in the control germinated seeds”
Claim · model-written summary
The 48-kDa protein mobilisation occurred during soil priming in Dodonaea viscosa seeds.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- soil priminge1
- Outcome
- mobilisation of this proteine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“indicating that mobilisation of this protein occurred during soil priming”
Claim · model-written summary
Burying seeds for a short period, including the beginning of the rainy season, increased protein mobilisation in Dodonaea viscosa.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- Burying seeds for a short periode1
- Outcome
- protein mobilisatione1
- Direction
- increasede1
- Qualifier
- including the beginning of the rainy seasone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Burying seeds for a short period, including the beginning of the rainy season, promoted natural priming, which increased protein mobilisation”
Claim · model-written summary
Burying seeds for a short period promoted natural priming in Dodonaea viscosa.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- Burying seeds for a short periode1
- Outcome
- natural priminge1
- Direction
- promotede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Burying seeds for a short period, including the beginning of the rainy season, promoted natural priming, which increased protein mobilisation”
Claim · model-written summary
Priming effects were associated with high percentage seedling survival of Dodonaea viscosa in the shade house and the field.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- priming effectse1
- Outcome
- percentage seedling survivale1
- Direction
- highe1
- Setting
- shade house and the fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Functionally, priming effects were reflected in high percentage seedling survival in both the shade house and the field”
Claim · model-written summary
Seed burial reduced the requirement for acidic post-scarification in Dodonaea viscosa.
- Taxon
- Dodonaea viscosaDodonaea viscosae0
- Treatment
- Seed buriale1
- Outcome
- requirement for acidic post-scarificatione1
- Direction
- reducede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the germination of Dodonaea viscosa seeds”
e1“Seed burial also reduced the requirement for acidic post-scarification”