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当前位置: 首页 > 文章 > 辣椒根腐病菌生物学特性研究 沈阳农业大学学报 2007,38 (1) 54-58
Position: Home > Articles > The Biological Characteristics of Fusarium Solani Journal of Shenyang Agricultural University 2007,38 (1) 54-58

辣椒根腐病菌生物学特性研究

作  者：
刘丽云;刘晓林;刘志恒;王福妹;穆丽松
单  位：
沈阳农业大学植物保护学院
关键词：
辣椒根腐病;茄腐镰刀菌;病菌生物学特性
摘  要：
对辣椒根腐病病原菌进行了生物学特性的初步研究。试验结果表明,病菌菌丝在大多数培养基中均能良好生长,而在马铃薯酵母膏琼脂培养基上生长较为缓慢;菌丝在10～35℃范围内均能生长,最适为25℃;菌丝生长的pH值范围为3～12,最适pH值为7;光照对菌丝生长影响不大;菌丝致死温度为64℃、10min。病菌在马铃薯斜面上易于产孢,且产生的大多为大型分生孢子,而在PSA斜面上产生的以小型分生孢子为主;在其他测试培养基上不易产孢。病菌分生孢子在各种营养物质中均能萌发;萌发温度范围为15～35℃,最适温度30℃;pH值3～12间病菌孢子均能萌发,最适pH值为7;分生孢子致死温度为58℃、10min。
译  名：
The Biological Characteristics of Fusarium Solani
作  者：
LIU Li-yun,LIU Xiao-lin,LIU Zhi-heng,WANG Fu-mei,MU Li-song(College of Plant Protection,Shenyang Agricultural University,Shenyang 110161,China)
关键词：
hot pepper root rot;Fusarium solani;pathogenic biological characteristics
摘  要：
The biological characteristics of Fusarium solani was studied in this paper.The results showed as follows: the mycelial could grow better on the most of culture media,but worse on the potato yeast agar culture than others.The temperature range for mycelial growth was 10~35℃,25℃ was the optimum.The mycelial might grow from pH3 to pH12,pH7 was the best.The effect of light on the mycelial growth was not evident and mycelial lethal temperature was 64℃,10min.Pathogens were apt to produce coidia on the inclined plane of the potato,the conidia were the mostly large-scale style,but the ones that produced on PSA inclined plane were mainly small-scale type,it was difficult to produce conidia on various kinds of culture media.The conidia could germinate in most kinds of nutrition.The range of temperature for conidia germination was 15~35℃,30℃ was the optimum.The conidia could germinate within the treatments from pH2 to pH12.pH7 was optimum,which the conidia lethal temperature was 58℃,10min.

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