Common diseases and pests of roses in spring: prevention and control





Identification: There is white powder adhering to both sides of the leaf, which looks like dust.[Fungi, Thrips, Aphids] Figures 2, 3, and 4[Red Spider] Figure 5In severe cases: Use Qianbaiji mineral oil, which does not induce resistance, but avoid using it on tender buds and branches. If spraying new branches is necessary, use acaricides such as pyridaben or etoxazole (containing "mit" in their names). Red spider mites reproduce rapidly, completing their reproductive cycle in just 3 days; therefore, spray every 3 days for a total of 3 applications. Thoroughly spray the entire plant, starting with the undersides of the leaves and then the upper surfaces.

To grow roses well, the most important thing is diligence. Have you started taking preventative measures against pests and diseases?

Gardening