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Growth, Development and Perennial Nature of Yellow Rocket

Published online by Cambridge University Press:  12 June 2017

Marvin M. Schreiber
Marvin M. Schreiber*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Dept. of Agriculture
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Abstract

Yellow rocket (Barbarea vulgaris R. Br.) was studied for 5 years under field conditions. Yellow rocket seeds germinated throughout the growing season, but vernalization of the rosettes formed was necessary for flowering. There appeared to be a minimum size plant that could be vernalized. In the spring vernalized rosettes formed flower stalks. As the flower stalk elongated, basal rosette leaves died, giving the impression of an annual. When the flower stalk was cut or seed matured, new rosette leaves developed from buds on the crown. This new growth was capable of going through the subsequent winter. Marked plants survived for at least 3 years. The ability to flower again and set viable seed in the same year after cutting appeared to be associated with the stage of the original flower stalk when cut. Yellow rocket is perennial, but it may not survive after its second year under conditions of disease or strong competition.

Type
Research Article
Information
Weeds , Volume 10 , Issue 2 , April 1962 , pp. 91 - 95
Copyright
Copyright © 1962 Weed Science Society of America 

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References

Literature Cited

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