Abstract
Storage of quality herbaceous ornamental seeds is a primary concern of the Ornamental Plant Germplasm Center, a USDA National Plant Germplasm System genebank. In Autumn 2005, 30 accessions, including 10 genera of herbaceous ornamentals, were evaluated for initial seed weight and viability using four replications of 50 seeds except for Begonia, which consisted of two replications of 500 seeds due to extremely small seed size. Seed lots were then recleaned using an Oregon Seed Blower; Begonia were cleaned using the rolling paper method where good, round seeds roll off vibrating paper held at an angle and shrunken seed do not. Heavy and light fractions of all seeds were saved, 50-seed weight calculated, and viability tested. Seed cleaning was assisted by Faxitron X-ray technology to identify the quantity of seeds with embryos in each treatment. Seed cleaning statistically increased the weight for 19 accessions including Actea, Antirrhinum, Oenothera, Penstemon, Ranunculus, Rudbeckia , and Talinum , where the heaviest seed were in the heavy fraction of recleaned seed. Seed weight for some Begonia and Tagetes accessions was statistically increased, while weight of no Petunia accessions was increased. Viability was calculated as the percentage of normal and dormant seeds. Seed cleaning statistically increased the viability of 10 accessions including Actea, Oenothera, Petunia, Ranunculus , and Talinum ; seed lot viability was statistically increased for some accessions of Antirrhinum, Penstemon, Rudbeckia ; no accessions of Begonia or Tagetes had improved viability. Results suggest that recleaning seed lots to improve seed weight and viability may be effective, but differences between genera as well as species within genera exist.
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Claims 12
Claim · model-written summary
Cleaning increased seed weight for 19 ornamental accessions including seven named genera.
- Taxon
- Actea, Antirrhinum, Oenothera, Penstemon, Ranunculus, Rudbeckia , and Talinume0
- Treatment
- Seed cleaninge0
- Outcome
- weighte0
- Direction
- increasede0
- Value
- 19 accessionse0
Not reportedComparator
Verbatim
e0“Seed cleaning statistically increased the weight for 19 accessions including Actea, Antirrhinum, Oenothera, Penstemon, Ranunculus, Rudbeckia , and Talinum”
Claim · model-written summary
The heavy recleaned seed fraction contained the heaviest seeds.
Verbatim
e0“the heaviest seed were in the heavy fraction of recleaned seed”
t0“Flower Seed”
Claim · model-written summary
Cleaning increased seed weight in some Begonia accessions.
BegoniaNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed weight for some Begonia and Tagetes accessions was statistically increased”
Claim · model-written summary
Cleaning increased seed weight in some Tagetes accessions.
.jpg?width=60){kind=small}
TagetesNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Seed weight for some Begonia and Tagetes accessions was statistically increased”
Claim · model-written summary
Cleaning did not increase seed weight in Petunia accessions.
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=60){kind=small}
PetuniaNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_flowers_in_Westgate_Gardens%2C_Canterbury.jpg?width=500)
Verbatim
e0“weight of no Petunia accessions was increased”
Claim · model-written summary
Cleaning increased viability for 10 accessions including five named genera.
- Taxon
- Actea, Oenothera, Petunia, Ranunculus , and Talinume0
- Treatment
- Seed cleaninge0
- Outcome
- viabilitye0
- Direction
- increasede0
- Value
- 10 accessionse0
Not reportedComparator
Verbatim
e0“Seed cleaning statistically increased the viability of 10 accessions including Actea, Oenothera, Petunia, Ranunculus , and Talinum”
Claim · model-written summary
Cleaning increased seed lot viability in some Antirrhinum accessions.
- Taxon
- Antirrhinum
Antirrhinume0 - Outcome
- seed lot viabilitye0
- Direction
- increasede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed lot viability was statistically increased for some accessions of Antirrhinum, Penstemon, Rudbeckia”
Claim · model-written summary
Cleaning increased seed lot viability in some Penstemon accessions.
PenstemonNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed lot viability was statistically increased for some accessions of Antirrhinum, Penstemon, Rudbeckia”
Claim · model-written summary
Cleaning increased seed lot viability in some Rudbeckia accessions.
RudbeckiaNot reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed lot viability was statistically increased for some accessions of Antirrhinum, Penstemon, Rudbeckia”
Claim · model-written summary
Cleaning did not improve viability in Begonia accessions.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no accessions of Begonia or Tagetes had improved viability”
Claim · model-written summary
Cleaning did not improve viability in Tagetes accessions.
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no accessions of Begonia or Tagetes had improved viability”
Claim · model-written summary
The authors suggest recleaning seed lots can improve seed weight and viability, with responses differing across and within genera.
Verbatim
e0“Results suggest that recleaning seed lots to improve seed weight and viability may be effective, but differences between genera as well as species within genera exist”
t0“Flower Seed”