Abstract
The effects of storage temperature and duration on germination, emergence, and vigor of Fusarium head blight-affected seed were studied in the spring wheat cvs. Glenlea and Roblin. Seed was stored at -10, 2.5, 10, or 20°C. Germination was assessed at cold (5°C) and moderate 20/15°C for 16/8 h daily) temperatures following 0, 8, 16, and 24 weeks of storage. Emergence from a soilless mix was counted 10 days after planting. Vigor was assessed following germination by measuring root and shoot lengths and in emerged plants by determining dry shoot weights. Germination after storage at the three colder temperatures decreased with length of storage, but storage at 20°C did not affect germination. Overall, germination of Fusarium-affected seed at moderate temperatures was significantly lower than for healthy seed. Germination of infected seed at 5°C was better than at moderate temperatures, probably due to lack of fungal activity at low temperatures. Seed treatment with Vitaflo 280 improved germination, but not emergence, of infected seed. However, roots from treated infected seed were shorter than from untreated seed. Emergence of infected seeds was better after storage at 10 and 20°C than at -10 and 2.5°C. Storage temperature did not significantly affect vigor. Dry shoot weight at 14 days was lower after storage at -10 than at 20°C.
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Claims 11
Claim · model-written summary
Germination declined with storage duration at the three colder temperatures.
- Taxon
- spring wheat
Triticum aestivumt0 - Treatment
- storage at the three colder temperaturese0
- Outcome
- Germinatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination after storage at the three colder temperatures decreased with length of storage”
t0“Spring Wheat”
Claim · model-written summary
Storage at 20°C did not affect germination.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- storage at 20°Ce0
- Outcome
- germinatione0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“storage at 20°C did not affect germination”
t0“Spring Wheat”
Claim · model-written summary
At moderate germination temperatures, Fusarium-affected seed germinated significantly less than healthy seed.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- Fusarium-affected seede0
- Outcome
- germinatione0
- Direction
- lowere0
- Comparator
- healthy seede0
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination of Fusarium-affected seed at moderate temperatures was significantly lower than for healthy seed”
t0“Spring Wheat”
Claim · model-written summary
Infected seed germinated better at 5°C than at moderate temperatures.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- 5°Ce0
- Outcome
- Germination of infected seede0
- Direction
- bettere0
- Comparator
- moderate temperaturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination of infected seed at 5°C was better than at moderate temperatures”
t0“Spring Wheat”
Claim · model-written summary
The authors attribute the better low-temperature germination to lack of fungal activity.
- Taxon
- spring wheatTriticum aestivumt0
- Outcome
- Germination of infected seede1
- Qualifier
- lack of fungal activity at low temperaturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“probably due to lack of fungal activity at low temperatures”
e1“Germination of infected seed at 5°C was better than at moderate temperatures”
t0“Spring Wheat”
Claim · model-written summary
Vitaflo 280 improved germination of infected seed.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- Seed treatment with Vitaflo 280e0
- Outcome
- germinatione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatment with Vitaflo 280 improved germination, but not emergence, of infected seed”
t0“Spring Wheat”
Claim · model-written summary
Vitaflo 280 did not improve emergence of infected seed.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- Seed treatment with Vitaflo 280e0
- Outcome
- emergencee0
- Direction
- note0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatment with Vitaflo 280 improved germination, but not emergence, of infected seed”
t0“Spring Wheat”
Claim · model-written summary
Roots from treated infected seed were shorter than those from untreated seed.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- treated infected seede0
- Outcome
- rootse0
- Direction
- shortere0
- Comparator
- untreated seede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“roots from treated infected seed were shorter than from untreated seed”
t0“Spring Wheat”
Claim · model-written summary
Infected seed emerged better after storage at 10 and 20°C than after -10 and 2.5°C.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- storage at 10 and 20°Ce0
- Outcome
- Emergence of infected seedse0
- Direction
- bettere0
- Comparator
- -10 and 2.5°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Emergence of infected seeds was better after storage at 10 and 20°C than at -10 and 2.5°C”
t0“Spring Wheat”
Claim · model-written summary
Storage temperature did not significantly affect vigor.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- Storage temperaturee0
- Outcome
- vigore0
- Direction
- did not significantly affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Storage temperature did not significantly affect vigor”
t0“Spring Wheat”
Claim · model-written summary
Dry shoot weight at 14 days was lower after -10°C storage than 20°C storage.
- Taxon
- spring wheatTriticum aestivumt0
- Treatment
- storage at -10e0
- Outcome
- Dry shoot weighte0
- Direction
- lowere0
- Qualifier
- at 14 dayse0
- Comparator
- 20°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry shoot weight at 14 days was lower after storage at -10 than at 20°C”
t0“Spring Wheat”
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