Full TGIF Record # 273489
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Web URL(s):http://cyxb.lzu.edu.cn/EN/article/downloadArticleFile.do?attachType=PDF&id=2241
    Last checked: 07/25/2016
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Author(s):Zhang, Wu; Liu, Guodao; Nan, Zhibiao
Author Affiliation:Zhang and Nan: College of Pastoral Agriculture Science and Technology, State Key Laboratory of Grassland Agro-ecosystems, Lanzhou University, Lanzhou; Liu: Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Crops Germplasm Resources Utilization, Ministry of Agriculture, Danzhou, China
Title:Identification and characterisation of Sclerotinia homoeoparpa causing leaf blight in 4 warm-season turfgrass species
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 24, No. 1, January 20 2015, p. 124-131.
# of Pages:8
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Keywords:TIC Keywords: Axonopus affinis; Cynodon dactylon; Disease identification; Disease infestations; Disease surveys; Dollar spot; Morphological evaluation; Sclerotinia homoeocarpa
Abstract/Contents:"This paper reports on field disease surveys carried out at several golf courses and college lawns in Hainan Province from 2011 to 2013. A serious disease similar to Dollar Spot was observed which affected 4 common warm-season turfgrass species. Based on comprehensive analyses including Koch's postulates tests, the identification of morphological characteristics and rDNA-ITS sequencing, the pathogen causing Dollar Spot disease in Hainan province was identified as Sclerotinia homoeocarpa. To our knowledge, this is the first report that S. homoeocarpa can cause Dollar Spot in Burmudagrass and Carpetgrass in China. Biological characteristics analysis showed that S. homoeocarpa grew well in conditions where the temperature ranged from 25-30°C and pH from 5-7. The optimum growth conditions were 28°C and pH 5. Hyphallost their viability in agar plugs that were incubated at 55°C for 10 minutes. Light promoted mycelium growth and all the tested carbon and nitrogen sources were utilized by S. homoeocarpa. Soluble starch had higher usage efficiency for mycelium growth than the other carbon sources, whereas D-mannitol and D-arabinose had lower usage efficiency. Ammonium nitrate and ammonium dihydrogen phosphate had higher usage efficiency for mycelium growth than the other nitrogen sources, whereas carbamide had lower usage efficiency."
Note:Pictures, color
Geographic Terms:Hainan Province, China
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhang, W., G. Liu, and Z. Nan. 2015. Identification and characterisation of Sclerotinia homoeoparpa causing leaf blight in 4 warm-season turfgrass species. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 24(1):p. 124-131.
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DOI: 10.11686/cyxb20150116
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    Last checked: 07/25/2016
    Requires: PDF Reader
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MSU catalog number: b10289426
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