Successful integrated pests and diseases management based on petroleum spray oil in China

This paper demonstrates that a successful year-round integrated pest and disease management (IPDM) based on petroleum spray oil (PSO) can be implemented on main citrus cultivars under different ecological conditions in southern China.
The IPDM based on PSO has been developed and refined according to the cultivar and growing region.
The program has been adopted by many citrus growers for the last 20 years and is an indispensable all year-round IPDM. Compared to traditional pest and disease control managements, the program overcomes short effective period of traditional chemicals, excessive spray application, incompatibility in tank mix and pesticide resistant problems facing citrus industries, at the same time reduce farm chemical inputs and related costs.
The benefit of the program is that it successfully controls red mites, scales and psyllids as well as melanoses, and citrus canker simultaneously at lower cost than traditional synthetic chemical control program.
The highly refined PSO used in the program is SK Enspray 99, which is now well-known household brand name in the citrus industry.
A summary of the research on the efficacy of PSO on red mite, scales and psyllids as well as the synergistic effects on the fungicides for melanoses and citrus canker is included in this paper.
The potential use of PSO in drone application and its synergistic effects on bio-pesticide is explored.

XV International Citrus Congress

S. Zhang, L. Hu, L. Xin, Q. Li, Q. Li, X. Shao, J. Xu

petroleum spray oil, citrus, IPDM, application

https://doi.org/10.17660/ActaHortic.2026.1448.81