[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(08):42-47.[doi:10.11942/j.issn1002-2767.2021.08.0042]
五株虫生真菌生物学特性及拮抗潜力初步研究
- 文献标志码:
- A
- 摘要:
- 为得到性状优良且具有生防潜力的虫生真菌，本试验对已获得的虫生真菌进行了基础生物学测定并对6种主要病原菌抑菌活性进行测定。结果表明：菌株FNS5和FYS3的最适生长温度分别为25~28 ℃和28~30 ℃，菌株FYS3的最适产孢温度较广，为20~30 ℃。菌株FNS5的最适产孢温度为20~25 ℃。48 h镜检菌株FNS5在25 ℃处理下萌发率最高为68%，与其他处理差异显著。菌株FNS5、FYS3均表现出广谱且较强的抑制作用，平皿对峙试验，金龟子绿僵菌FYS3对水稻稻瘟病的抑制率达47.13%，琼脂扩散法试验，金龟子绿僵菌FNS5、FYS3的代谢产物对番茄灰霉病菌具有拮抗作用，抑菌圈直径分别为(3.22±0.19)cm和(3.51±0.29)cm，是两株具有进一步研究价值的生防菌株。
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备注/Memo
收稿日期：2021-04-28