摘要
蓖麻枯萎病病原菌的分离鉴定表明病原菌为尖孢镰刀菌蓖麻专化型［Ｆｕｓａｒｉｕｍｏｘｙｓｐｏ－ｒｕｍｆ．ｓｐ．ｒｉｃｉｎｉ（Ｗｒ．）Ｇｏｒｃｌｏｎ］。该菌分生孢子萌发适温２５－２８℃，相对湿度为１００％，萌发和生长最适ｐＨ值为６－７。条件适宜４小时产生芽突，６小时萌发率达７０．２％．致死温度和时间分别为５５℃、２０分钟和６０℃、１０分钟．
The isolation and identification of the pathogen of Fusarium wilt of castor had been showed that the pathogen caused the disease was Fusarium oxysporum fsp. ricini(Wr. ) Gorclon. The optimum conditions for the conidiospore sprouting were 25-28℃ of the temperature and 100% relative humidity, PH 6-7 was optimum for the sprouting and growth.With the suitable conditions. the bud projectings of the conidiospores appeared in four hours and sprouting rates reached to 70. 2% in six hours. The fatal temperature for the pathogen was 55℃ in 20 minutes and 60℃ in 10 minutes,respectively.
出处
《中国油料》
CSCD
北大核心
1996年第1期51-53,共3页
关键词
蓖麻
枯萎病
尖孢镰刀菌
生物学特性
Castor bean
Fusarium wilt
Fusarium oxysporum f. sp. ricini Biological
