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Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1987Articles/phyto77n12_1687.pdf#page=85 Last checked: 10/15/2015 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Mitchell, James K. |
Author Affiliation: | Dept. of Plant Pathology, UIniversity of Arkansas, Fayetteville, AR |
Title: | Host and Environmental Factors Used to Model Johnsongrass Control with the Bioherbicides Colletotrichum graminicola and Gloecercospora sorghy |
Source: | Phytopathology. Vol. 77, No. 12, December 1987, p. 1771. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
Keywords: | TIC Keywords: Environment; Sorghum halepense; Weed control; Biological control; Herbicides; Colletotrichum graminicola; Gloeocercospora sorghi; Biological weed control; Environmental effects
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Abstract/Contents: | "Inoculation studies were conducted in controlled environments with field isolates of C. graminicola and G. sorghi isolated from johnsongrass. G. sorghi was more virulent over a wider range of host ages, temperatures, and dew periods than C. graminicola. G. sorghi infected all Sorghum spp. tested, whereas the cultivars of IS2057 and Wiley of S. bicolor were resistant to C. graminicola. A two-year survey of selected southern U.S. States for climatological conditions conducive for the control of johnsongrass suggested that only G. sorghi could be utilized as a biological herbicide to kill johnsongrass. A mathematical simulation model representing controlled environmental data for these two pathogens was highly correlated with field results in 1986. This model can be used to forecast the amount of damage which would occur to johnsongrass following innundative inoculations with these two fungi." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Mitchell, J. K. 1987. Host and Environmental Factors Used to Model Johnsongrass Control with the Bioherbicides Colletotrichum graminicola and Gloecercospora sorghy. Phytopathology. 77(12):p. 1771. |
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| Web URL(s): http://www.apsnet.org/publications/phytopathology/backissues/Documents/1987Articles/phyto77n12_1687.pdf#page=85 Last checked: 10/15/2015 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: SB 599 .P48 |
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