Study on the Biological Characteristics of Pathogen of Fusarium Wilt of Albizzia julibrissin Durazz(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on the Biological Characteristics of Pathogen of Fusarium Wilt of Albizzia julibrissin Durazz

Author(s):: FENG Xue¹; LIANG Kui-jing²; WANG Qian²; ZHANG Zhuo-wen¹; WEI Shu-zhen²; 1.Collge of Horticulture and Forestry Sciences，Huazhong Agricultural University，Wuhan，Hubei 430070；
2.Collge of Life Science，Hengshui University，Hengshui，Hebei 053000

Keywords:: Albizzia julibrissin Durazz; fusarium wilt; Fusarium oxysporum f.sp.; biological characteristics; germination rate

Abstract:: The biological characteristics of Fusarium oxysporum f.sp.of major fungicides of Albizzia julibrissin Durazz were studied from medium，temperature，light，pH，microelement，carbon and nitrate sources.The results showed that F.oxysporum could grow faster in the PDA，PSA，and the basic medium.The optimum temperature of mycelial growth and spore germination were 25~30℃ and the best at 30℃.The lethal temperature of F.oxysporum was 60℃.The optimal pH value of mycelium growth and conidial germination were between 6~12，and 6 was the best.Darkness promoted the growth and spore production of mycelium.Among the tested carbon and nitrogen resources，sucrose，soluble starch，sodium nitrate and calcium nitrate were useful types.Manganese sulfate was beneficial to spore growth，and ferrous sulfate could better facilitate the germination of conidia.

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Last Update: 2014-08-10