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Fusarium lateritium: A Pathogen of Spurred Anoda (Anoda cristata), Prickly Sida (Sida spinosa), and Velvetleaf (Abutilon theophrasti)

Published online by Cambridge University Press:  12 June 2017

H. Lynn Walker
H. Lynn Walker*
Affiliation:
South. Weed Sci. Lab., U.S. Dep. Agric., Sci. Ed. Admin., Agric. Res., Stoneville, MS 38776
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Abstract

An isolate of Fusarium lateritium (Nees) emend. Snyder and Hansen was associated with naturally occurring disease of spurred anoda [Anoda cristata (L.) Schlecht.] and prickly sida (Sida spinosa L.) plants. In greenhouse inoculation studies, the Fusarium isolate was pathogenic to healthy spurred anoda and prickly sida plants. The disease symptoms were characterized by leaf, stem, and root lesions. The stem lesions enlarged with time and formed cankers that often girdled the stems and killed inoculated plants. In host-range studies, velvetleaf (Abutilon theophrasti Medic.), Venice mallow (Hibiscus trionum L.), okra [Abelmoschus esculentus (L.) Moench], and hollyhock [Althaea rosea (L.) Cav.] were also susceptible to the pathogen. This is the first report of these six species as hosts for this pathogen. Corn (Zea mays L.), cotton (Gossypium hirsutum L. and G. barbadense L.), soybean [Glycine max (L.) Merr.], and 18 other representative crop and weed species in eight families were resistant to the pathogen. F. lateritium may be a useful biological herbicide for susceptible malvaceous weeds.

Keywords

Biological weed controlbiological herbicidebiocontrolmycoherbicide
Type
Research Article
Information
Weed Science , Volume 29 , Issue 6 , November 1981 , pp. 629 - 631
Copyright
Copyright © 1981 by the Weed Science Society of America 

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