Abstract
Vigour testing was undertaken on seed from 4 soybean [Glycine max (L.) Merr.] cultivars taken from field trials in eastern Australia. The seed from each cultivar exhibited moderate to good germination and a range in vigour. Vigour tests consisted of the controlled deterioration and modified versions of the accelerated aging test. Accelerated aging was carried out in 4 ways using 2 periods of incubation (76 and 96 h), with or without the seed protectant Thiram to control saprophytic fungi. Results were compared with seedling emergence from the same seed samples when planted in a controlled environment glasshouse. A combination of 2 day/night temperatures, cold (18/13¦C), warm (33/28¦C), and 3 soil moisture regimes, dry (-0.3 MPa), field capacity (-0.01 MPa) and saturated soil, produced a total of 6 different environments. Emergence was also recorded under a moderate daylnight temperature of 23/18¦C in soil at field capacity. The standard germination test and modified accelerated aging test with a 72-h incubation period with Thiram were significantly (P<0.01) correlated with emergence from all 7 soil environments. A 96-h period of accelerated aging (with or without Thiram) tended to suppress germination and there was no correlation with emergence from most soil environments. The controlled deterioration test correlated with seedling emergence from most soil environments except for dry soil. The vigour test which gave the best indicator of performance under a range of different seedbed moisture and temperature conditions was the modified accelerated aging test using a 72-h incubation period with Thiram.
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Claims 7
Claim · model-written summary
Soybean seed had moderate to good germination and a range of vigour.
- Taxon
- soybean
Glycine maxt0 - Outcome
- moderate to good germination and a range in vigoure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seed from each cultivar exhibited moderate to good germination and a range in vigour.”
t0“soybean”
Claim · model-written summary
The standard germination test correlated significantly with emergence across all seven soil environments.
- Taxon
- soybeanGlycine maxt0
- Outcome
- correlated with emergence from all 7 soil environmentse0
- Qualifier
- The standard germination teste0
- Comparator
- emergence from all 7 soil environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The standard germination test and modified accelerated aging test with a 72-h incubation period with Thiram were significantly (P<0.01) correlated with emergence from all 7 soil environments.”
t0“soybean”
Claim · model-written summary
Modified accelerated aging with a 72-h incubation and Thiram correlated significantly with emergence in all seven environments.
- Taxon
- soybeanGlycine maxt0
- Outcome
- correlated with emergence from all 7 soil environmentse0
- Qualifier
- modified accelerated aging test with a 72-h incubation period with Thirame0
- Comparator
- emergence from all 7 soil environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The standard germination test and modified accelerated aging test with a 72-h incubation period with Thiram were significantly (P<0.01) correlated with emergence from all 7 soil environments.”
t0“soybean”
Claim · model-written summary
Accelerated aging for 96 h tended to suppress germination, with or without Thiram.
- Taxon
- soybeanGlycine maxt0
- Treatment
- A 96-h period of accelerated aging (with or without Thiram)e0
- Outcome
- germinatione0
- Direction
- suppresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A 96-h period of accelerated aging (with or without Thiram) tended to suppress germination”
t0“soybean”
Claim · model-written summary
Accelerated aging for 96 h did not correlate with emergence in most soil environments.
- Taxon
- soybeanGlycine maxt0
- Outcome
- no correlation with emergence from most soil environmentse0
- Comparator
- emergence from most soil environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A 96-h period of accelerated aging (with or without Thiram) tended to suppress germination and there was no correlation with emergence from most soil environments.”
t0“soybean”
Claim · model-written summary
The controlled deterioration test correlated with soybean seedling emergence in most soil environments except dry soil.
- Taxon
- soybeanGlycine maxt0
- Outcome
- correlated with seedling emergence from most soil environmentse0
- Qualifier
- except for dry soile0
- Comparator
- seedling emergence from most soil environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The controlled deterioration test correlated with seedling emergence from most soil environments except for dry soil.”
t0“soybean”
Claim · model-written summary
Modified accelerated aging for 72 h with Thiram was the best indicator of soybean performance across seedbed conditions.
- Taxon
- soybeanGlycine maxt0
- Outcome
- best indicator of performancee0
- Qualifier
- modified accelerated aging test using a 72-h incubation period with Thirame0
- Comparator
- The vigour teste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The vigour test which gave the best indicator of performance under a range of different seedbed moisture and temperature conditions was the modified accelerated aging test using a 72-h incubation period with Thiram.”
t0“soybean”
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