Immature flowering stems - cooked in much the same way as broccoli. An edible oil is obtained from the seed, it is used mainly for cooking purposes, but also for salads. Some caution is advised, see the notes above on toxicity. The sprouted seed is often used as the mustard part of mustard and cress. Eaten in salads.The seed is used as a mustard flavouring.
The seed, powdered, with salt is said to be a folk remedy for cancer.Rape oil is used in massage and oil baths, it is believed to strengthen the skin and keep it cool and healthy. With camphor it is applied as a remedy for rheumatism and stiff joints.
Practical Plants is currently lacking information on propagation instructions of Brassica napus arvensis. Help us fill in the blanks! Edit this page to add your knowledge.
Very young plants are susceptible to cold damage, -4°C either killing or injuring seedlings, whereas -2°C has no affect when the plants are more than one month old. Coleseed is the form of this species most often found either escaped or naturalized in Britain. It has a non-tuberous root and has been cultivated as a fodder crop, oil-seed crop and green manure. Coleseed is 70% self-pollinating and 30% cross-pollinated. Even if wind and insects are absent, seed are still produced. Yield increases with honeybees. The growth of this plant is inhibited by field mustard and hedge mustard growing nearby.This species is closely related to B. rapa.
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
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