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玉米青枯病病原菌代谢产物的生物学效应
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摘要:
着重研究了玉米青枯病原禾生腐霉(Pythium graminicola Subram)和肿囊腐霉(P.inflatum Marth.)与其伴生病原禾谷镰刀菌(Fusarium graminearium Schw.)间代谢水平上的互作关系。结果表明;腐霉代谢产物对谷镰刀菌的生长有刺激作用,而禾谷镰刀菌代谢物对腐霉有明显的抑制作用;腐霉代谢产物对寄主的致萎能力比禾谷镰刀菌更强。
关键词:  玉米青枯病 病原菌 代谢产物 生物学效应 腐霉菌 镰刀菌 互作
DOI:
基金项目:博士后基金
Analysis of Bio-Effects of Filtrate from Pathogens of Corn Stalk Rot
Abstract:
This paper reports the interaction among Pythium graminicola,P. infiatum and Fusarium graminearium, which are pathogens of corn stalk rot. The results showed that the filtrates of the pythiums had a significant promoting effect on the growth of the fusarium;while the filtrates of the fusarium had a significant inhibiting effect on the pythiums.The filtrates of the pythiums had stronger wilting ability than that of the fusarium on the host seedling.
Key words:  corn stalk rot,Pythium,Fusarium,interaction,filtrate