摘要
从苍术黑斑病叶片上分离得到黑斑病病原菌[AltPtnaria tenuissima （Kunze）Wiltshire]，对其生物学特性进行了研究。研究结果表明，病菌菌丝在15～35℃都能生长，最适温度为25℃；pH在4～11都能生长，最适pH为6．O～7．0。在Czapek培养基上，病原菌以葡萄糖和甘露醇为碳源生长最好，以硝酸钾为氮源生长最佳。30％苯醚甲．丙环乳油和lO％苯醚甲环唑水分散粒剂对菌丝生长有很好的抑制效果，而75％代森锰锌可湿性粉剂和75％百菌清可湿性粉剂对菌丝生长的抑制效果较差。
The pathogen causing dark leaf spot on Atractylodes lancea was isolated from the diseased leaves. The temperature for mycelial growth of A. tenuissirna ranged from 15 to 35℃, with the optimum temperature at 25℃. The pH value ranged from 4.0 to 11.0, with the optimum pH from 6. 0 to 7.0. On defined Czapek media, glucose and mannitol were the optimum carbon sources, while KNO3 was the optimum nitrogen source. 30% Propiconazole and difenoconazole EC, and 10% difenoconazole WG showed a strong inhibition effect on mycelial growth, while 75% mancozeb sulfur WP and 75% chorothalonil WP showed weak inhibition.
出处
《植物保护》
CAS
CSCD
北大核心
2007年第3期107-110,共4页
Plant Protection
基金
湖北省科技厅资助(2001AA304A)
关键词
苍术
细极链格孢
生物学特性
Atractylodes lancea
Alternaria tenuissima （Kunze） Wiltshire
biological characteristics
