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Position: Home > Articles > Sporulation and Conidia Germination Characteristics of Tuberculina elaeagni Mycoparasited on Aecidium elaeagni-umbellatae Journal of Anhui Agricultural Sciences 2006,34 (7) 1399-1401

胡颓子锈生座孢产孢和孢子萌发特性研究

作  者:
陈广艳
单  位:
临沂师范学院农林学院
关键词:
牛奶子;锈病;重寄生菌;产孢;分生孢子萌发
摘  要:
研究了牛奶子锈病菌(Aecidium elaeagni-umbellatae)重寄生菌胡颓子锈生座孢(Tuberculina elaeagni)产孢和分生孢子萌发特性。结果表明:葡萄糖、蔗糖等5种碳源中以葡萄糖产孢最好;NH4Cl、KNO3等7种氮源中以蛋白胨产孢最好;25℃、pH值6和光照等条件适合产孢。25℃为分生孢子萌发最适温度;在相对湿度65%以上的条件下,分生孢子均能萌发,以水滴中萌发最好,萌发率达80.4%。pH值5~6和光照条件有利于孢子萌发,孢子致死温度为43℃10 min。
译  名:
Sporulation and Conidia Germination Characteristics of Tuberculina elaeagni Mycoparasited on Aecidium elaeagni-umbellatae
作  者:
CHEN Guang-yan (College of Agroforestry,Linyi Normal University,Linyi,Shandong 276004)
关键词:
Elaeagnus umbellate;Rust;Tuberculina elaeagni;Sporulation;Conidia germination
摘  要:
Sporulation and conidia germination characteristics of Tuberculina elaeagni mycoparasited of Aecidium elaeagni-umbellatae were studied.The results showed that glucose and peptone were the best for sporulation among the tested five carbon sources and seven nitrogen sources.The mycoparasite could sporulate best at 25 ℃ and pH 6,respectively.Furthermore,the light could promote the sporulation.For its conidia germination,25 ℃ was the optimum.When relative humidity(RH) for germination was above 65%,conidia could germinate and the rate of conidia germination was the highest in water drops.The optimal pH range was 5~6 and light was good for germination.Its lethal temperature was 43 ℃ for 10 min.

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