DODDER IN TOBACCO SEEDBEDS IN ONTARIO AND ITS CONTROL
- 1 April 1986
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Plant Science
- Vol. 66 (2) , 421-423
- https://doi.org/10.4141/cjps86-059
Abstract
Dodder, a stem parasite on flue-cured tobacco seedlings in Ontario has been identified as Cuscuta gronovii Willd. A 3-yr trial demonstrated that proper sterilization of the tobacco seedbed with steam or methyl bromide eradicated dodder. Sterilization with allyl alcohol or dazomet reduced but did not eradicate dodder. Dodder equally parasitized peanut plants (Arachis hypogaea L.), an ornamental (Begonia sp.) and five common weeds: Stellaria media L., Amaranthus retroflexus L., Matricaria matricarioides (Less.) Porter, Medicago lupulina L. and Digitaria sanguinalis (L.) Scop.Key words: Flue-cured tobacco, Cuscuta gronovii, control, organic soil, dodderKeywords
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