Integrated control of wheat blossom midge - HGCA

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Table 8. Larvae per 100 grains on untreated plots in 2003/04 experiments.VarietyADAS Advanta Elsoms TAG Nickersons MeanBoxworth Wolferton Lincs Morley MaldonClaire 25 17 35 18 31 25Consort 7 23 23 18 29 20Malacca 28 27 45 24 63 37Option 45 35 48 17 71 43Tanker 32 30 42 27 46 36Smuggler 19 27 39 31 40 31Eco 21 39 53 26 57 39Solstice 31 17 32 36 54 34Vector 7 21 26 7 26 17Xi19 35 23 63 28 34 37A42-02 39 28 61 38 77 49A45-02 33 25 34 2 36 26Welford 0 3 0 0 1 1Brompton 0 2 0 0 1 0Welland 0 1 0 0 9 2Kipling 0 1 0 0 0 0ELS03-34 0 0 0 1 1 0Einstein 41 16 24 20 37 28Nijinsky 12 20 42 31 30 27Istabraq 15 16 47 19 30 26Exeter 57 24 32 25 51 38NSL WW60 4 15 28 14 24 17NSL WW61 18 19 34 21 38 26NSL WW65 42 15 24 19 35 27Pennant 29 22 38 19 41 3020
Table 9. Numbers <strong>of</strong> larvae on chlorpyrifos treated plots at Boxworth and Morley in 2002/03 and thepercentage reduction in numbers compared to untreated plots.Variety ADAS Boxworth TAGMorleylarvae/100 grain % reduction fromuntreatedlarvae/100 grain % reduction fromuntreatedClaire 5.4 62.8 5.6 86.0Consort 10.3 14.5 7.4 68.3Malacca 11.7 44.5 5.5 74.9Option 11.4 53.5 4.7 73.4Tanker 11.9 55.7 4.4 61.6Savannah 5.8 64.5 4.1 27.2Eco 22 5.3 68.1 8.6 -28.9Xi-19 11.8 57.6 6.7 44.6Solstice 17.7 27.6 9.1 -41.1Scorpion 8.2 65.5 2.0 89.6Smuggler 7.4 44.1 1.4 88.5Vector 2.4 68.0 8.0 -49.6Einstein 13.2 2.6 7.0 70.5Arran 10.7 43.2 7.4 66.8Nijinsky 6.9 60.5 5.2 30.7Istabraq 4.2 70.0 3.8 68.0Welford 0.0 100.0 2.9 70.1Pennant 9.2 55.1 9.8 24.3Brompton 0.5 100.0 1.3 93.5Welland 0.2 40.0 1.9 80.4Mean 7.7 54.9 5.3 49.921
Page 1 and 2: Project Report No. 363March 2005Pri
Page 3 and 4: AbstractThe orange wheat blossom mi
Page 5 and 6: and 14 days after Soissons for the
Page 7 and 8: 1210Time (min)86420treatedcontrol m
Page 9 and 10: 987treatedcontrol6Time (min)5432103
Page 11 and 12: AcknowledgementsFunding for this pr
Page 13 and 14: Table 1. Genotype : wbm interaction
Page 15 and 16: MATERIALS AND METHODSVarietiesExper
Page 17 and 18: Table 4. Varieties tested in each h
Page 19 and 20: varieties. For example at Boxworth
Page 21: Table 7. Larvae per 100 grains on u
Page 25 and 26: Table 11. Numbers of larvae on chlo
Page 27 and 28: Table 13 Untreated yields in 2002/0
Page 29 and 30: Table 15. Untreated yields (t/ha) i
Page 31 and 32: Table 14. Chlorpyrifos treated yiel
Page 33 and 34: analysed by ANOVA and by a Friedman
Page 35 and 36: To this end we would recommend:1. U
Page 37 and 38: Technical detail 2.Genetic Analysis
Page 39 and 40: Marker AnalysisA molecular genetic
Page 41 and 42: escape, it is not independent of ot
Page 43 and 44: Figure 1 : Levels of range blossom
Page 45 and 46: Figure 3 : Levels of orange blossom
Page 47 and 48: Figure 5: Marker analysis of a samp
Page 49 and 50: 2. MATERIALS & METHODS2.1. Synthesi
Page 51 and 52: GC column is simultaneously directe
Page 53 and 54: In 2003 field experiments were carr
Page 55 and 56: Table 2 Field Trapping Experiments
Page 57 and 58: 3.1.3. Field Trapping Experiments3.
Page 59 and 60: Fig. 6. Expt 1A 2003: pheromone dos
Page 61 and 62: 3.1.3.3. 2004 Pheromone Trap Experi
Page 63 and 64: Fig. 13. Summary of Expt 2 20046005
Page 65 and 66: attractive (Fig. 16). In addition,
Page 67: 5. REFERENCESBirkett, M. A., Bruce,

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