Integrated control of wheat blossom midge - HGCA

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Table 10. Numbers <strong>of</strong> larvae on chlorpyrifos treated plots at Boxworth and Morley in 2003/04 and thepercentage reduction in numbers compared to untreated plots.Variety ADAS Boxworth TAG Morleylarvae/100 grain % reduction fromuntreatedlarvae/100 grain % reduction fromuntreatedClaire 23.6 16.8 7 61.1Consort 10.7 -15.8 3 83.3Malacca 25.7 22.9 3 87.5Option 39.7 14.7 5 70.6Tanker 19.4 47.6 5 81.5Smuggler 70.9 -172.0 2 93.5Eco 12.7 47.3 6 76.9Solstice 28.4 25.5 5 86.1Vector 2.3 63.4 1 85.7Xi19 23.2 47.5 3 89.3A42-02 37.6 0.9 7 81.6A45-02 21.1 26.4 3 85.0Welford 0.1 1Brompton 2.0 0Welland 0.0 0Kipling 0.3 0ELS03-34 0.0 1Einstein 47.1 -24.3 5 75.0Nijinsky 9.1 37.2 3 90.3Istabraq 27.2 -53.2 5 73.7Exeter 51.1 31.9 4 84.0NSL WW60 6.2 16.0 3 78.6NSL WW61 19.9 4.9 7 66.7NSL WW65 35.5 36.2 9 52.6Pennant 20.2 46.2 4 78.9Mean 21.4 14.8 3.7 79.922
Table 11. Numbers <strong>of</strong> larvae on chlorpyrifos treated plots at Elsoms and Nickersons in 2003/04 and thepercentage reduction in numbers compared to untreated plots.Variety Elsoms, Lincs Nickersons, Maldonlarvae/100 grain % reduction fromuntreatedlarvae/100 grain % reduction fromuntreatedClaire 25.4 24.3 20.6 34.2Consort 28.2 10.8 5.2 81.7Malacca 36.1 27.7 44.6 28.9Option 31.7 47.6 77.2 -9.3Tanker 30.8 40.7 10.4 77.3Smuggler 27.9 32.5Eco 43.2 31.2Solstice 35.1 13.3Vector 19.0 42.0Xi19 36.0 46.0A42-02 48.3 11.8A45-02 21.4 48.7Welford 0.0Brompton 0.0Welland 0.0Kipling 0.0ELS03-34 0.0Einstein 20.5 25.8 15.2 59.5Nijinsky 34.1 26.0 13.5 54.5Istabraq 22.7 40.6 19.9 32.6Exeter 31.2 2.1 33.0 35.4NSL WW60 14.2 44.2NSL WW61 22.6 40.0NSL WW65 16.7 37.9Pennant 21.6 47.9Mean 22.7 32.8 26.6 38.123
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 and 22: Table 7. Larvae per 100 grains on u
Page 23: Table 9. Numbers of larvae on chlor
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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