Sweet potato borer: The agent, the harmful and management solution
That is the theme of the seminar by the research team titled "develop processes and integrated management model borer sweet potatoes in Vinh Long province," recently held at the Faculty of Agriculture and Applied Biology (University Can Tho).
According to the researchers, the condition of the roots borer recorded since 2012, the total area affected is near 5.000ha, concentrated in Binh Tan district. After the discovery process, the team identified the pests and damage symptoms.
Members of the insect pests are small sized butterflies, body and wings are gray. The larvae attack surface potatoes, cut into round holes forming tubers small, shallow. When large enough, the larvae immediately pupation in the soil, are protected by the cocoon of soil and organic matter coincided with the dark brown color of the soil, making it difficult to detect.
Some solutions are required treatment room deep washes fields after each harvest; using Trichoderma soil sanitation, mulch on potatoes before planting rainbow ...
Topics by the research team of Can Tho University and the Department of Plant Protection, Vinh Long Extension Center conducted from May 5/2014, with a total budget of over 500 million. After the workshop, the process will continue treatment room common, widely applied to the grower.