Abstract
A study on the effect of seed maturity, temperature and period of storage on vigor of Picrasma javanica Bl. seedling was conducted at the Macropropagation Laboratory, Research Centre of Biology, LIPI, Cibinong, from March to September 2008. The research was arranged using Randomized Block Design with 3 factors and 3 replications, in which each replication had 20 samples. The first factor was stage of seed maturation with 2 levels i.e. pre-mature and mature stage; the second factor was storage temperature with 3 levels i.e. ambient temperature (28±1ºC), 20ºC and 5ºC; and the third factor was storage period with 4 levels i.e. 0, 1, 2, 3 months. The result showed that the germination time of Picrasma javanica seed was varies between 11-23 days. The mature seeds had better growth as compared to pre-mature seeds. Storage on the ambient temperature (28±1ºC) caused decrease of seed vigor, so is not suggested to seeds store in the ambient temperature. The storage under lower temperature (5ºC and 20ºC) was able to maintain seed vigor until 3 months storage.Key words: seeds maturity, temperature, storage period, vigor, Picrasma javanica Bl. seed.
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Claims 6
Claim · model-written summary
Picrasma javanica seeds germinated in 11-23 days.
- Taxon
- Picrasma javanica
Picrasma javanicae0 - Outcome
- germination timee0
- Value
- 11-23 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The result showed that the germination time of Picrasma javanica seed was varies between 11-23 days.”
Claim · model-written summary
Mature seeds had better seedling growth than pre-mature seeds.
- Taxon
- Picrasma javanicaPicrasma javanicat0
- Material
- mature seedse0
- Outcome
- growthe0
- Direction
- bettere0
- Comparator
- pre-mature seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mature seeds had better growth as compared to pre-mature seeds.”
t0“Picrasma javanica”
Claim · model-written summary
Ambient-temperature storage decreased seed vigor.
- Taxon
- Picrasma javanicaPicrasma javanicat0
- Treatment
- ambient temperature (28±1ºC)e0
- Outcome
- seed vigore0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Storage on the ambient temperature (28±1ºC) caused decrease of seed vigor”
t0“Picrasma javanica”
Claim · model-written summary
Storage at 5ºC maintained seed vigor for three months.
- Taxon
- Picrasma javanicaPicrasma javanicat0
- Treatment
- 5ºCe0
- Outcome
- seed vigore0
- Direction
- maintaine0
- Value
- 3 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The storage under lower temperature (5ºC and 20ºC) was able to maintain seed vigor until 3 months storage.”
t0“Picrasma javanica”
Claim · model-written summary
Storage at 20ºC maintained seed vigor for three months.
- Taxon
- Picrasma javanicaPicrasma javanicat0
- Treatment
- 20ºCe0
- Outcome
- seed vigore0
- Direction
- maintaine0
- Value
- 3 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The storage under lower temperature (5ºC and 20ºC) was able to maintain seed vigor until 3 months storage.”
t0“Picrasma javanica”
Claim · model-written summary
The authors advise against ambient-temperature seed storage.
- Taxon
- Picrasma javanicaPicrasma javanicat0
- Outcome
- not suggested to seeds store in the ambient temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“so is not suggested to seeds store in the ambient temperature.”
t0“Picrasma javanica”