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


Regional Crop Report South West,  30 March 2007
Winter Wheat
Comment on current growth stages Field conditions
Crops moving towards GS 31, however, internode extension is still very slow. Lengthening days and increasing temperatures should trigger more rapid development. Surface feeding roots are only just starting to develop which will lead to more rapid growth as they take up applied nitrogen. Crops still have a brownish tinge as the highest leaf in the canopy is rather weather beaten. Leaf 4 continuing to emerge. Occasional hail, rain and sleet showers have not wetted up soils appreciably.
Main diseases Present Level and comment
Brown Rust Trace in Alchemy and Claire
Mildew Seems to have freshened up a little.
Septoria tritici Frequent lesions on lower leaves.
Yellow Rust Severe in crop Robigus in Somerset
Eyespot Easily found in virtually all forward crops. First and second wheats.
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 No reports of further damage.
Wheat bulb fly None seen
Wireworm None seen
Other None seen
Main weed problems Level and comment
Blackgrass Any untreated area will be left until days lengthen in Late Feb./early March.
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,  30 March 2007
Winter Barley
Comment on current growth stages Field conditions
Still a huge variation in the most forward and backward crops. Poorer crops often linked with capping on heavier soils. Occasional hail, rain and sleet showers have not wetted up soils appreciably.
Main diseases Present Level and comment
Brown Rust Brown rust is readily detectable in many varieties.
Mildew At low levels in most varieties.
Net-blotch No change.
Yellow Rust None seen
Eyespot None seen
Rhynchosporium Very high levels in many crops. Most I have seen for some years. Hardly surprising after the mild wet winter.
Other None seen
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,  30 March 2007
Winter Oilseed Rape
Comment on current growth stages Field conditions
Crops have recovered well from the cold snap and low-lying fields are now looking predominantly yellow as flowering begins. Some signs of stem splitting where growth has been very rapid.  
Main diseases Present Level and comment
Club root No fresh reports.
Downy Mildew New growth generally appears disease free.
Light Leaf Spot None seen
Phoma Follow up treatments have curtailed respotting.
Powdery Mildew None seen
White Leaf Spot None seen
Other None seen
Main Pest problems Level and comment
Aphids None seen
Flea beetle None seen
Leatherjacket None seen
Slugs Crops now beyond stage where damage can occur.
Other Pollen Beetle seen in flowering crops but not at threshold levels yet.
Main weed problems Level and comment
Blackgrass  
Meadow grasses
Rye grass Very well controlled.
Bromes
Cleavers So far being held by metazachlor/quinmerac combinations.
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.