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Uses

Toxic parts

The oil contained in the seed of some varieties of this species can be rich in erucic acid which is toxic. However, modern cultivars have been selected which are almost free of erucic acid.

Edible uses

Notes

Leaves - raw or cooked[1][2][3]. Added to salads or used as a potherb[4].

Immature flowering stems - cooked in much the same way as broccoli[4]. An edible oil is obtained from the seed, it is used mainly for cooking purposes, but also for salads[1][5][2][6][4]. 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[1][2][3][4].

The seed is used as a mustard flavouring[4].

Unknown part

Leaves

Material uses

The seed contains up to 45% of an edible semi-drying oil, it is used as a luminant, lubricant, in soap making etc[5][7][8][9]. A good green manure, the deep taproot improves drainage and loosens heavy soils[10][11][12].
There are no material uses listed for Brassica napus arvensis.

Medicinal uses(Warning!)

The root is emollient and diuretic[13]. The juice of the roots is used in the treatment of chronic coughs and bronchial catarrh[13][14].

The seed, powdered, with salt is said to be a folk remedy for cancer[14].

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[14].

Unknown part

Ecology

Ecosystem niche/layer

Ecological Functions

Green manure

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow in situ in early spring to mid-August for a green manure crop.

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.



Cultivation

Succeeds in full sun in a well-drained fertile preferably alkaline soil[15]. Succeeds in any reasonable soil[16]. Prefers a heavy soil and cool moist conditions[17][11]. Sunny days and cool nights are favourable for plant growth whilst dry weather at harvest time is essential[14]. Coleseed is reported to tolerate an annual precipitation of 30 to 280cm, an annual average temperature range of 5 to 27°C and a pH in the range of 4.2 to 8.2[14].

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[14]. 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[18]. Coleseed is 70% self-pollinating and 30% cross-pollinated. Even if wind and insects are absent, seed are still produced. Yield increases with honeybees[14]. The growth of this plant is inhibited by field mustard and hedge mustard growing nearby[10][11].

This species is closely related to B. rapa[15].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Brassica napus arvensis. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Brassica napus arvensis.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Brassica napus arvensis
Genus
Brassica
Family
Brassicaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
7
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    ?
    Herbaceous or Woody
    ?
    Life Cycle
    Growth Rate
    ?
    Mature Size
    Fertility
    Pollinators
    Flower Colour
    ?
    Flower Type











    References

    1. ? 1.01.11.21.3 Grieve. A Modern Herbal. Penguin ISBN 0-14-046-440-9 (1984-00-00)
    2. ? 2.02.12.22.3 Harrison. S. Wallis. M. Masefield. G. The Oxford Book of Food Plants. Oxford University Press (1975-00-00)
    3. ? 3.03.13.2 Thompson. B. The Gardener's Assistant. Blackie and Son. (1878-00-00)
    4. ? 4.04.14.24.34.44.5 Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications ISBN 0-9628087-0-9 (1990-00-00)
    5. ? 5.05.15.25.3 Triska. Dr. Hamlyn Encyclopaedia of Plants. Hamlyn ISBN 0-600-33545-3 (1975-00-00)
    6. ? 6.06.1 Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim (1959-00-00)
    7. ? 7.07.1 Lust. J. The Herb Book. Bantam books ISBN 0-553-23827-2 (1983-00-00)
    8. ? 8.08.1 Schery. R. W. Plants for Man. ()
    9. ? 9.09.1 Brouk. B. Plants Consumed by Man. Academic Press ISBN 0-12-136450-x (1975-00-00)
    10. ? 10.010.110.2 Philbrick H. and Gregg R. B. Companion Plants. Watkins (1979-00-00)
    11. ? 11.011.111.211.3 Riotte. L. Companion Planting for Successful Gardening. Garden Way, Vermont, USA. ISBN 0-88266-064-0 (1978-00-00)
    12. ? 12.012.1 Woodward. L. Burge. P. Green Manures. Elm Farm Research Centre. (1982-00-00)
    13. ? 13.013.113.2 Chopra. R. N., Nayar. S. L. and Chopra. I. C. Glossary of Indian Medicinal Plants (Including the Supplement). Council of Scientific and Industrial Research, New Delhi. (1986-00-00)
    14. ? 14.014.114.214.314.414.514.614.7 Duke. J. Handbook of Energy Crops - (1983-00-00)
    15. ? 15.015.115.2 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    16. ? Larkcom. J. Salads all the Year Round. Hamlyn (1980-00-00)
    17. ? Simons. New Vegetable Growers Handbook. Penguin ISBN 0-14-046-050-0 (1977-00-00)
    18. ? Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press (1962-00-00)