RAPID ACCESS TO THE LATEST REGIONAL CROP PEST AND DISEASE LEVELS 		HGCA logo
 


Regional Crop Report South West,   20 April 2007
Winter Wheat
Comment on current growth stages Field conditions
Very wide range of growth stages with early Einstein, Solstice and Alchemy having 10% of leaf 2 showing. General trend is around leaf 4 fully emerged to leaf 3 10% emerged. Dry as dust.
Main diseases Present Level and comment
Brown Rust Developing strongly on leaf 4 Alchemy. Where T1 already applied good control.
Mildew Levels still very low even on very susceptible varieties.
Septoria tritici Levels not increasing with all spring emerged leaves totally clear.
Yellow Rust Virtually all Robigus crops now have some yellow rust where no T0 triazole was applied
Eyespot Except on very early drillings on heavy soils eyespot development has come to a halt with no further stem penetration.
Other None seen.
Main Pest problems Level and comment
Aphids Untreated crops in need of treatment.
Frit fly None seen
Leatherjacket No reports of further damage.
Opomyza None seen
Slugs Slugs are actively stripping upper leaves in known slug hotspots. Extreme vigilance with next crop. Snails also very active.
Wheat bulb fly None seen
Wireworm None seen
Other None seen
Main weed problems Level and comment
Blackgrass No further reports.
Meadow grasses Well controlled by pre emergence materials.
Rye grass Pre ems have worked well, follow up treatments now being applied.
Bromes  
Cleavers Emergence appears to be continuing
Others  

 
Regional Crop Report South West,  20 April 2007
Winter Barley
Comment on current growth stages Field conditions
Winter barley is loosing tillers in the dry conditions and lighter land crops look very sparse. Occasional awns are emerging. Dry as dust.
Main diseases Present Level and comment
Brown Rust Low levels at stem base
Mildew At low levels in most varieties.
Net-blotch No change.
Yellow Rust None seen
Eyespot None seen
Rhynchosporium Has not progressed significantly in the dry conditions.
Other Some of the most forward crops are now showing severe abiotic spotting often linked with manganese deficiency.
Main Pest problems Level and comment
Aphids None seen
Leatherjacket None seen
Slugs None seen
Wireworm None seen
Other None seen
Main weed problems Level and comment
Blackgrass  
Meadow grasses
Rye grass
Bromes
Cleavers
Others

 
Regional Crop Report South West,  20 April 2007
Winter Oilseed Rape
Comment on current growth stages Field conditions
Crops at least 10 days ahead of last year with petal fall in progress and two thirds of Pods set on main raceme.
 
Main diseases Present Level and comment
Club root No fresh reports.
Downy Mildew None seen
Light Leaf Spot Low levels have been seen although previously applied PGR triazoles should take care of this.
Phoma None seen
Powdery Mildew None seen
White Leaf Spot None seen
Other Scelrotinia: Minimal risk in current dry conditions.
Main Pest problems Level and comment
Aphids None seen
Flea beetle None seen
Leatherjacket None seen
Slugs None seen
Other Seed weevil can be found at around 1 weevil per 2 plants in some crops. Mealy cabbage aphid levels are very high for so early in the season.
Main weed problems Level and comment
Blackgrass None seen
Meadow grasses None seen
Rye grass None seen
Bromes None seen
Cleavers None seen
Others





Crop Report compiled by Farming Online from reports received by members from the Association of Independent Crop Consultants

 
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All risk predictions published by CropMonitor are provided in good faith and are NOT a substitute for rigorous fieldwalking in combination with advice from BASIS qualified persons. CropMonitor accepts no liability for crop loss or damage resulting from the use of CropMonitor.