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Response of Field Dodder to Shade

Published online by Cambridge University Press:  12 June 2017

J. H. Dawson
J. H. Dawson*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Irrigation Experiment Station, Prosser, Washington
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Abstract

Field dodder (Cuscuta campestris Yunck.) emerged as well in total darkness as in light, but seedlings did not twine about the host. Under the shade of alfalfa, dodder emerged normally, but attachment was reduced more than 90% and delayed 7 to 10 days. Attached dodder shaded by alfalfa did not develop its characteristic golden color, grew very slowly, and was delayed in maturity 3 to 4 weeks.

Type
Research Article
Information
Weeds , Volume 14 , Issue 1 , January 1966 , pp. 4 - 5
Copyright
Copyright © 1966 Weed Science Society of America 

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References

Literature Cited

1. Dawson, J. H. 1965. Prolonged emergence of field dodder. Weeds 13:373–374.CrossRefGoogle Scholar
2. Lane, H. C. and Kasperbauer, M. J. 1965. Photomorphogenic responses of dodder seedlings. Plant Physiol. 40: 109–116.CrossRefGoogle ScholarPubMed
3. Zimmermann, Charles E. 1962. Autotrophic development of dodder (Cuscula pentagona Englm.) in virro . Crop Science 2:449–450.CrossRefGoogle Scholar