Abstract
The objective of the study was to evaluate the encapsulation of seeds of tropical forest species with cellulose gel (CG) from Vitis vinifera and sodium alginate, with and without biostimulant, in order to optimise its size, shape and performance for direct seeding. Four species used in direct seeding were selected, i.e., Bixa orellana L., Mimosa bimucronata (DC.) Kuntze, Trema micrantha (L.) Blume and Psidium guajava L.. The experimental design was completely randomised with eight treatments and four repetitions of 100 seeds each. Encapsulation affected the physical quality of the seeds, however, it facilitated their handling and visualisation in germination tests, especially for T. micrantha, with a 4-fold increase in size with alginate gel and 2-fold with CG. Sodium alginate performed better than CG, synchronising the growth of B. orellana seedlings. The biostimulant showed potential to synchronise germination, vigor and seedling growth when associated with dormancy break for M. bimucronata, and promoted seedling growth for P. guajava. Sodium alginate gel has potential for seed enhancement, while CG encapsulation needs to be improved in relation to its physical characteristics, requiring further studies. The biostimulant can be recommended for enhancing uniformity of seed emergence in direct seeding.
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Claims 9
Claim · model-written summary
Encapsulation altered seed physical quality and aided handling and visualization.
- Taxon
- TROPICAL FOREST SEEDSt0
- Treatment
- Encapsulatione0
- Outcome
- handling and visualisatione0
- Direction
- facilitatede0
Not reportedComparator
Verbatim
e0“Encapsulation affected the physical quality of the seeds, however, it facilitated their handling and visualisation in germination tests”
t0“TROPICAL FOREST SEEDS”
Claim · model-written summary
Alginate gel increased T. micrantha seed size fourfold.
- Taxon
- T. micrantha
Trema micranthume0 - Treatment
- alginate gele0
- Outcome
- sizee0
- Direction
- increasee0
- Value
- 4-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“especially for T. micrantha, with a 4-fold increase in size with alginate gel and 2-fold with CG”
Claim · model-written summary
Cellulose gel increased T. micrantha seed size twofold.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“especially for T. micrantha, with a 4-fold increase in size with alginate gel and 2-fold with CG”
Claim · model-written summary
Sodium alginate synchronized B. orellana seedling growth better than cellulose gel.
- Taxon
- B. orellana
Bixa orellanae0 - Treatment
- Sodium alginatee0
- Outcome
- growth of B. orellana seedlingse0
- Direction
- bettere0
- Comparator
- CGe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium alginate performed better than CG, synchronising the growth of B. orellana seedlings”
Claim · model-written summary
With dormancy breaking, biostimulant showed potential to synchronize M. bimucronata germination, vigor and seedling growth.
- Taxon
- M. bimucronata
Mimosa bimucronatae0 - Treatment
- biostimulante0
- Outcome
- germination, vigor and seedling growthe0
- Qualifier
- when associated with dormancy breake0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The biostimulant showed potential to synchronise germination, vigor and seedling growth when associated with dormancy break for M. bimucronata”
Claim · model-written summary
Biostimulant promoted P. guajava seedling growth.
- Taxon
- P. guajava
Psidium guajavae0 - Treatment
- biostimulante0
- Outcome
- seedling growthe0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The biostimulant showed potential to synchronise germination, vigor and seedling growth when associated with dormancy break for M. bimucronata, and promoted seedling growth for P. guajava”
Claim · model-written summary
The authors view sodium alginate gel as promising for seed enhancement.
Verbatim
e0“Sodium alginate gel has potential for seed enhancement”
t0“TROPICAL FOREST SEEDS”
Claim · model-written summary
The authors say cellulose gel encapsulation requires physical improvement and further study.
Verbatim
e0“CG encapsulation needs to be improved in relation to its physical characteristics, requiring further studies”
t0“TROPICAL FOREST SEEDS”
Claim · model-written summary
The authors recommend biostimulant to improve emergence uniformity.
Verbatim
e0“The biostimulant can be recommended for enhancing uniformity of seed emergence in direct seeding”
t0“TROPICAL FOREST SEEDS”
The same questions in other papers
other · growth · Psidium guajava (guava)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.