Abstract
Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142, grown under glass or in the field, at sites in the UK and Belgium. All populations showed similar ranges of resistance that were greater than that of a commercial cultivar (Apex). The increase in range was at least three-fold greater than the range found in Apex. Only sowing time affected the descriptive statistics of shatter resistance of each line, with spring-sown populations more shatter susceptible than winter-sown populations. The partitioning of dry matter to individual tissues of the pod was different for the two lines, with dry matter biased to the seed in Apex and to the receptacle in the more resistant DK142. In DK142 and Apex, as well as F 1 and F 2 populations derived from crosses between DK142×Apex, correlations for pod shatter resistance and mature pod characters were high, particularly the weight and length of the valves and septum. Shatter resistance increased in plants when pod numbers were reduced by the removal of whole racemes.
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Claims 8
Claim · model-written summary
All DK142 populations showed ranges of pod shatter resistance greater than the commercial cultivar Apex.
- Taxon
- Brassica napus
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napuse0 - Material
- DK142e0
- Outcome
- ranges of resistancee1
- Direction
- greatere1
- Comparator
- a commercial cultivar (Apex)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“All populations showed similar ranges of resistance that were greater than that of a commercial cultivar (Apex)”
Claim · model-written summary
The range of shatter resistance in DK142 populations was at least three-fold greater than the range in Apex.
- Taxon
- Brassica napusBrassica napuse0
- Material
- DK142e0
- Outcome
- rangee1
- Direction
- at least three-fold greatere1
- Value
- three-folde1
- Comparator
- the range found in Apexe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“The increase in range was at least three-fold greater than the range found in Apex”
Claim · model-written summary
Spring-sown DK142 populations were more shatter susceptible than winter-sown populations.
- Taxon
- Brassica napusBrassica napuse0
- Treatment
- sowing timee1
- Outcome
- shatter resistancee1
- Direction
- more shatter susceptiblee1
- Comparator
- winter-sown populationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“Only sowing time affected the descriptive statistics of shatter resistance of each line, with spring-sown populations more shatter susceptible than winter-sown populations”
Claim · model-written summary
Sowing time affected the descriptive statistics of shatter resistance of each line.
- Taxon
- Brassica napusBrassica napuse0
- Treatment
- sowing timee1
- Outcome
- descriptive statistics of shatter resistancee1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“Only sowing time affected the descriptive statistics of shatter resistance of each line, with spring-sown populations more shatter susceptible than winter-sown populations”
Claim · model-written summary
In Apex, dry matter was biased to the seed of the pod.
- Taxon
- Brassica napusBrassica napuse0
- Material
- Apexe1
- Organ / stage
- seede1
- Outcome
- dry mattere1
- Qualifier
- biased to the seed in Apexe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“The partitioning of dry matter to individual tissues of the pod was different for the two lines, with dry matter biased to the seed in Apex and to the receptacle in the more resistant DK142”
Claim · model-written summary
In the more resistant DK142, dry matter was biased to the pod receptacle.
- Taxon
- Brassica napusBrassica napuse0
- Material
- DK142e1
- Organ / stage
- receptaclee1
- Outcome
- dry mattere1
- Qualifier
- to the receptacle in the more resistant DK142e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“The partitioning of dry matter to individual tissues of the pod was different for the two lines, with dry matter biased to the seed in Apex and to the receptacle in the more resistant DK142”
Claim · model-written summary
Pod shatter resistance and mature pod characters were highly correlated in DK142, Apex and their F1 and F2 populations, particularly for valve and septum weight and length.
- Taxon
- Brassica napusBrassica napuse0
- Material
- DK142 and Apexe2
- Outcome
- correlations for pod shatter resistance and mature pod characterse1
- Direction
- highe1
- Qualifier
- particularly the weight and length of the valves and septume1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“correlations for pod shatter resistance and mature pod characters were high, particularly the weight and length of the valves and septum”
e2“In DK142 and Apex, as well as F 1 and F 2 populations derived from crosses between DK142×Apex”
Claim · model-written summary
Shatter resistance increased when pod numbers were reduced by removing whole racemes.
- Taxon
- Brassica napusBrassica napuse0
- Treatment
- removal of whole racemese1
- Outcome
- Shatter resistancee1
- Direction
- increasede1
- Qualifier
- when pod numbers were reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Resistance to pod shatter was studied within and between populations of the resynthesized Brassica napus line DK142”
e1“Shatter resistance increased in plants when pod numbers were reduced by the removal of whole racemes”
The same questions in other papers
sowing time · disease · Brassica napus (oilseed rape)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.