Full TGIF Record # 30503
Item 1 of 1
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Colbaugh, P. F.; Engelke, M. C.
Author Affiliation:Texas Agric. Exp. Station, Dallas
Title:Rhizoctonia blight on N.T.E.P. bentgrasses. 1992
Source:Biological and Cultural Tests for Control of Plant. Vol. 8, 1993, p. 115.
Publishing Information:St. Paul, MN: The American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Brown patch; Rhizoctonia solani
Abstract/Contents:"Twenty bentgrass varieties including nine commercial and 11 experimental germplasm lines in the National Bentgrass Evaluation Program were examined in inoculation studies for resistance to Rhizoctonia sp. foliar blight. Nine replicate soil cores were removed at two times during the Spring from a bentgrass green with three completely randomized variety planting blocks and the cores were transferred to 8 cm diam. plastic cups. One replicate soil core of each was placed in a covered plastic crisper and inoculated with an agar disc containing Rhizoctonia solani (R-64), known to be pathogenic on bentgrass. After inoculation, the grass samples were incubated in a lighted walk-in chamber at 28 C and were misted daily with sterile water to maintain excess moisture in the foliar canopy for eight days. The mean percent susceptiblity of varieties to Rhizoctonia blight is shown for both inoculation dates. The overall mean percent infection for Spring I and Spring II was very similar with 37 and 34% blight respectively. Test varieties with consistently good resistance Rhizoctonia blight were SYN3-88, Providence, Penncross, UM8401, MSCB-8 and BR1518 with less than 27% mean infection and were significantly more resistant than the varieties Forbes and National. The varieties National, Forbes 89-12 and SYN4-88 were significantly more susceptible to Rhizoctonia blight than the standard bentgrass variety Penncross."
Language:English
References:0
Note:Table
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Colbaugh, P. F., and M. C. Engelke. 1993. Rhizoctonia blight on N.T.E.P. bentgrasses. 1992. Biol. Cult. Tests Control Plant Dis. 8:p. 115.
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