Full TGIF Record # 237448
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Publication Type:
Author(s):Jia, Chunhong; Jiang, Guokeng; Wu, Juying
Author Affiliation:Research Institute of Plant Protection, Beijing Academy of Agricultural Sciences, Beijing
Title:Leaf spot (blight) of Kentucky bluegrass in Beijing
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 7, No. 4, December 30 1998, p. 38-43.
# of Pages:6
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Abstract/Contents:"Leaf spot (blight) of Kentucky bluegrass (Poa pratensis) in Beijing was caused by Drechslera poae (Baudys) Shoem. This study on the biological characteristics of the pathogen indicated: the optimum temperature for conidia germination was 16~32°C, for coenobium growth was 24~32 °C; the extracted sap from bluegrass leaves had a significant stimulating effect on spore germination; at 24 °C conidia were produced more than at other temperatures, with the highest produce on PS2A medium; at 20 °C and 25 °C the disease indices were the highest. It was also shown that fungicide mancozeb of 70% concentration, dithane M-45 of 80% and iprodione of 50% had very good preventive and protective effects against the disease."
Note:Abstract also appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jia, C., G. Jiang, and J. Wu. 1998. Leaf spot (blight) of Kentucky bluegrass in Beijing. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 7(4):p. 38-43.
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