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Granular Formulation of Alternaria macrospora for Control of Spurred Anoda (Anoda cristata)

Published online by Cambridge University Press:  12 June 2017

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

Abstract

A method is described for the large-scale production of a granular formulation of Alternaria macrospora Zimm. The granular preparation consisted of spores, mycelia, and vermiculite. This formulation of A. macrospora, applied preemergence or postemergence, controlled spurred anoda (Anoda cristata Schlecht.) plants in greenhouse and field tests. The pathogen did not significantly affect emergence or dry weight production of cotton (Gossypium hirsutum L. ‘Stoneville 213’) seedlings. The fungicides PCNB (pentachloronitrobenzene) and ETMT [5-ethoxy-3-(trichloromethyl)-1,2,4-thiadiazole] did not significantly affect spurred anoda control with A. macrospora. The method for production and formulation of A. macrospora was modified to produce spores and granular formulations of other Fungi Imperfecti: Drechslera sp. and Fusarium spp. (Moniliales), Colletotrichum spp. (Melanconiales), and Phyllosticta sp. (Sphaeropsidales).

Type
Research Article
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

1. Chandler, J. M. and Oliver, L. R. 1979. Spurred anoda: A potential weed in southern crops. U.S. Dep. Agric., Sci. Ed. Admin., Agric. Reviews and Manuals, South. Ser., No. 2, 19 pp.Google Scholar
2. Miller, P. M. 1955. V-8 juice agar as a general-purpose medium for fungi and bacteria. Phytopathology 45:461462.Google Scholar
3. Ohr, H. D., Chandler, J. M., and Jordan, T. N. 1975. Destruction of spurred anoda in cotton by a naturally occurring plant disease. Proc. South. Weed Sci. Soc. 28:123.Google Scholar
4. Ohr, H. D., Pollack, F. G., and Ingber, B. F. 1977. The occurrence of Alternaria macrospora on Anoda cristata in Mississippi. Plant Dis. Rep. 61:208209.Google Scholar
5. Sciumbato, G. L. and Walker, H. L. 1980. A comparison of four Alternaria isolates associated with cotton and spurred anoda. Proc. Beltwide Cotton Prod. Res. Conf., p. 185.Google Scholar
6. Walker, H. L. 1980. Alternaria macrospora as a potential biocontrol agent for spurred anoda: Production of spores for field studies. U.S. Dep. Agric., Sci. Ed. Admin., Adv. Agric. Techn., South. Ser. (ISSN 0193–3728), No. 12, 5 pp.Google Scholar
7. Walker, H. L. 1980. Spurred anoda [Anoda cristata (L.) Schlecht.] biocontrol with a plant pathogen. Proc. South. Weed Sci. Soc. 33:65.Google Scholar
8. Walker, H. L. and Sciumbato, G. L. 1979. Evaluation of Alternaria macrospora as a potential biocontrol agent for spurred anoda (Anoda cristata): Host range studies. Weed Sci. 27:612614.Google Scholar