Understanding resistance to cabbage seedpod weevil in yellow mustard x canola hybrids. Sanford Eigenbrode Plant , Soil and Entomological Sciences University of Idaho, Moscow, 83844- 2339 [email protected] Idaho Oilseed Conference 12 Feb 2009. Insect pests in canola.
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Understanding resistance to cabbage seedpod weevil in yellow mustard xcanola hybrids
Plant, Soil and Entomological Sciences
University of Idaho, Moscow, 83844-2339
Idaho Oilseed Conference
12 Feb 2009
A ‘non-host’ for CSPW
Canola mustard x yellow mustardhybrids
cross-pollination between S. alba and B. napus followed by a combination of ovule culture and embryo rescue (Brown et al., 1997)
Parental mustard Species
Glucosinolate Profiles (μmol/g)
Hybrid mustard Glucosinolate Profile
R = ‘Resistant’ to CSPW
= eggs 17% to 25% of control
S = ‘Susceptible’ to CSPW
= eggs 40 to 70% of control
Ross et al. 2003
Canisters for insect choice tests
After 1 day ofoviposition:
dissect under a light microscope
Count feeding punctures and eggs.
Cabbage Seedpod Weevil Eggs
Following Kozlowski et al. (1983)