生物药剂对金银花白粉病的防治效果评价

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中图分类号：S435.67文献标识码：A 文章编号：0488-5368（2025）09-0084-04

Abstract： To investigate the control effcacy of different biological agents against powdery mildew in honeysuckle （Lonicera japonica），field experiments were conductedusing the cultivar‘Fenghua No.1’as the test material.Several biological agentswereevaluated under field conditions for theirabilityto preventand control the disease. The results showed that the 3% polyoxin wettable powder at a 6Oo -fold dilution provided the highest control efficacy，reducing disease incidence by 66.80% seven days after the first application， 81.91% seven days after the second application，and 89.43% seven days after the third application. Trichoderma harzianum ranked second in control efficacy.

Key words： Lonicera japonica; Powdery mildew；Biological agents; Control efficacy

金银花为忍冬科植物忍冬（LonicerajaponicaThunb.）的干燥花蕾及初开的花，栽培金银花是药材金银花的主要来源，清热解毒、疏散风热，还具有抗氧化、抗炎、调节脂肪代谢等功效[1～3]，是我国传统大宗中药材之一。（剩余4736字）