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Evaluation of Fusarium oxysporum as a Potential Bioherbicide for Sicklepod (Cassia obtusifolia), Coffee Senna (C. occidentalis), and Hemp Sesbania (Sesbania exaltata)

Published online by Cambridge University Press:  12 June 2017

C. Douglas Boyette ,
Hamed K. Abbas  and
William J. Connick Jr.
C. Douglas Boyette
Affiliation:
USDA-ARS, South. Weed Sci. Lab, Stoneville, MS 38776: and South. Regional Res. Ctr., New Orleans, LA 70179
Hamed K. Abbas
Affiliation:
USDA-ARS, South. Weed Sci. Lab, Stoneville, MS 38776: and South. Regional Res. Ctr., New Orleans, LA 70179
William J. Connick Jr.
Affiliation:
USDA-ARS, South. Weed Sci. Lab, Stoneville, MS 38776: and South. Regional Res. Ctr., New Orleans, LA 70179
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Abstract

A strain of Fusarium oxysporum was isolated from infected sicklepod stems in Stoneville, MS, in 1989. When formulated as granules either in a fungus-infested rice preparation or encapsulated in a wheat-gluten matrix called ‘Pesta’, biocontrol of sicklepod, coffee senna, and hemp sesbania was achieved with preemergence or preplant-incorporated treatments. Liquid conidial applications were less effective. Plants were killed by a preemergence damping-off. Applications made postemergence were significantly less effective. Results of these tests suggest that this fungus has potential as a mycoherbicide for controlling sicklepod, coffee senna, and hemp sesbania.

Keywords

Cassia obtusifolia L. # CASOBcoffee senna, Cassia occidentalis L. # CASOChemp sesbania, Sesbania exaltata Rydb. ex A. W. Hill # SEBEXFusarium oxysporum SchletBiological controlbiological herbicidemycoherbicide
Type
Special Topics
Information
Weed Science , Volume 41 , Issue 4 , December 1993 , pp. 678 - 681
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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