Phomopsis species fungus useful as a broad-spectrum bioherbicide

Details Phomopsis species fungus useful as a broad-spectrum bioherbicide Phomopsis species fungus useful as a broad-spectrum bioherbicide

1995-01-10

1996-04-23

Clardy, S. Mark

Plant protecting and regulating compositions

Plant growth regulating compositions

Micro-organisms or from micro-organisms

4352541, A01N 6304, C12N 114

Patent

active

055103162

ABSTRACT:
A novel Phomopsis sp. fungus is an effective broad-spectrum bioherbicide agent for controlling several economically important pigweed species (Amaranthus spp.). The agent is a new species of the plant pathogen Phomopsis. Spores and mycelial fragments from the novel fungal species kill many different pigweed biotypes from various parts of the United States and other countries. Various compositions and formulations employing the novel fungus, including its combination with a hydrophilic mucilloid gel, can be used in methods for controlling pigweed.

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Cerkauskas et al "Amaranthus spinosus. . . : New Hosts of Phomopsis spp. in Brazil" Plant Disease 67(7):821-824. 1983.
Mintz, A. S., Heiny, D. K., G. J. Weidemann (1992) "Factors Influencing the Biocontrol of Tumble Pigweed (Amaranthus albus) with Aposphaeria amaranthi" Plant Disease 76(3):267-269.
Heiny, D. K., A. S. Mintz, G. J. Weidemann (1992) "Redisposition of Aposphaeria amaranthi in Microspaeropsis" Mycotaxon XLIV(1):137-154.

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