Abstract
The osmotic conditioning or priming is considered a promising technique to speed up germination and to improve seed performance. Four seed lots of asparagus, Mary Washington cultivar, were primed at 25°C for seven or 14 days using PEG 6000 at -1.0 or -1.2 MPa, or sea water at -3.3 MPa; or for three days in distilled water. The physiological quality of the seeds was evaluated by standard germination, first count germination, speed of seedling emergence, and germination percentage and seedling fresh and dry weights after controlled deterioration test. Primed seeds presented higher germination speed, independently of their initial physiological quality. Beneficial effects of priming on germination and vigour were more expressive in the seed lot of low physiological quality. Priming in PEG 6000 at -1.0 MPa for 14 days was the most beneficial treatment to improve asparagus seeds performance.
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Claims 3
Claim · model-written summary
Primed asparagus seeds germinated faster than unprimed seeds, regardless of initial physiological quality
- Material
- Mary Washingtone0
- Treatment
- primede0
- Outcome
- germination speede1
- Direction
- highere1
- Qualifier
- independently of their initial physiological qualitye1
AsparagusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Four seed lots of asparagus, Mary Washington cultivar, were primed at 25°C for seven or 14 days”
e1“Primed seeds presented higher germination speed, independently of their initial physiological quality”
Claim · model-written summary
Priming improved germination and vigour more in the low physiological quality seed lot
- Material
- seed lot of low physiological qualitye2
- Treatment
- priminge2
- Outcome
- germination and vigoure2
- Direction
- more expressivee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Four seed lots of asparagus, Mary Washington cultivar, were primed at 25°C for seven or 14 days”
e2“Beneficial effects of priming on germination and vigour were more expressive in the seed lot of low physiological quality”
Claim · model-written summary
Priming in PEG 6000 at -1.0 MPa for 14 days was the most beneficial treatment for asparagus seed performance
- Treatment
- Priming in PEG 6000 at -1.0 MPa for 14 dayse3
- Outcome
- seeds performancee3
- Direction
- most beneficiale3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Priming in PEG 6000 at -1.0 MPa for 14 days was the most beneficial treatment to improve asparagus seeds performance”
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seed treatment · growth · AsparagusResults differ
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