| | - Blackleg Appears
Blackleg appears as small grey lesions with black specks fruiting bodies, found on the leaf surface of canola plants.In some cases the disease can produce cankers or lesions on the stem, weakening the plant and making it susceptible to lodging. Prolo ...
http://www.hannafords.com/disease.php?id=24
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- The Lygus Bugs in Canola
Lygus bugs are small, ovalshaped insects that feed on a variety of crops and weeds. Several species infest canola and alfalfa. In Western Canada, Lygus lineolaris the tarnished plant bug, L. borealis, L. elisus and L. keltoni have been observed destr ...
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/agdex741?opendocum...
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- The Diamondback Moth
Diamondback moth was introduced into North America from Europe about 150 years ago. It now occurs throughout North America, wherever its host plants are grown. Diamondback moth larvae feed on all plants in the mustard family, including canola, mustar ...
http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/agdex2540
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- The Bertha Armyworm
Bertha armyworm is one of the most significant insect pests of canola in Canada. It occurs throughout Manitoba, Saskatchewan, Alberta and the interior of British Columbia. Severe infestations can occur throughout most of this area but are usually lim ...
http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/agdex3508
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- The Cabbage Seed Weevil
Photograph and information on these insects, the larvae of which attack oilseed rape, their biology and advice on control measures. ...
http://www.sac.ac.uk/consulting/
| | - Diseases of Oilseed Crops
An identification guide to the diseases that may infect this crop, with many photographs, brief descriptions of the symptoms and suggested management strategies. ...
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7710?OpenDocume...
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- Pollen Beetle
A description and photograph of this insect, its biology and advice on control measures. ...
http://www.sac.ac.uk/consulting/
| | - The Light Leaf Spot
Photograph and symptoms of this foliar disease of oilseed rape, its biology and advice on control measures. ...
http://www.sac.ac.uk/consulting/
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- The Clubroot
Photograph and description of the symptoms of this disease caused by a soilborne fungus, its biology and advice on control. ...
http://www.sac.ac.uk/consulting/
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