优化杀菌剂应用时间控制橄孔雀眼病:对当前和后续生长季节的影响
David Ygzao1,2, Dani Shtienberg1, David Ezra1
1Department of Plant Pathology and Weed Research, Institute of Plant Protection, Agricultural Research Organization, Volcani Institute, Rishon LeZion 7528809, Israel.
Plant disease
|May 23, 2025
概括
针对橄孔雀眼病 (由Venturia oleaginea引起) 的向杀菌剂应用显著降低了疾病的严重程度. 战略性喷,与降雨事件定时,提供与多个应用相比的控制,并防止未来的疫情爆发.
科学领域:
- 植物病理学 植物病理学
- 橄种植 橄种植
- 防治真菌病的管理方法
背景情况:
- 橄孔雀眼病是由Venturia oleaginea引起的,有两种感染期 (秋季,春季) 和疾病发展阶段 (秋季末/冬季,春季/夏季初).
- 之前的研究已经确定了在橄园中的Venturia oleaginea的独特感染和疾病发展时期.
研究的目的:
- 实验验证新洞察力对Venturia oleaginea病因学的实际应用,以有效管理疾病.
- 评估战略定时的杀菌剂应用对橄孔雀眼病的疗效.
主要方法:
- 在自然疾病压力下的商业橄园中,在两个生长季节 (2021/2022, 2022/2023) 进行了四次实地实验.
- 在第一个季节性大雨事件发生之前或之后,使用一个或两个杀菌剂喷雾剂,针对疑似感染时期.
- 评估了疾病的严重程度,并将战略喷雾的有效性与九次喷雾方案和连续季节的有效性进行了比较.
主要成果:
- 一个或两个向的杀菌剂应用显著减少了橄孔雀眼病的发展.
- 战略喷雾剂的疗效与连续9次季节性应用相美.
- 一个季节的有效疾病管理可以防止或最大限度地减少下一个季节的疾病严重程度.
结论:
- 基于感染期的战略性,及时的杀菌剂应用对于控制Venturia oleaginea非常有效.
- 积极的,两季管理方法对于长期抑制橄孔雀眼病至关重要.
- 优化喷时间为橄种植提供了更可持续和潜在的成本效益的疾病控制策略.
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