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OSR Yield Physiology amp Oilseed Yield Enhancement Network
Sarah Kendall ADAS
Outline
bull Yield Physiology
bull Oilseed Yield Enhancement Network
Components of yield
Yield = number of seeds x seed weight
2
3
4
5
6
7
50000 100000 150000
Seedsm2
Seed
wei
ght (
mg)
3 tha4 tha5 thaexisting crops
Components of yield
Seed number determination
Determined by photosynthesis during a 200-300oCd period after flowering (2-3 weeks)
Pod amp seed numbers
0
5
10
15
20
25
30
0 5000 10000 15000
podsm2
See
ds p
er p
od
Pod amp seed numbers
0
5
10
15
20
25
30
0 5000 10000 15000
podsm2
See
ds p
er p
od
0
20000
40000
60000
80000
100000
seed
sm
2