Guangdong Jia Mei Biological Technology Co.Ltd , https://www.jaymeimask.com
The disease mostly occurs on the leaves of clove, but it can also invade shoots and fruits. The pathogen is a bacterium of the genus Pseudomonas. Through the leaves into the branches, or directly from the pores, lenticels invade the plant body. Rainy season and spring shoot incidence is heavier. First, the symptoms of the disease to identify the symptoms of leaf lesions varied, a bit spotted, spotted, scorch and other types; when severe, all the leaves dry coke, curl, such as fire in general, it is also known as fire blight. Second, prevention and control technology 1. Strengthen management, increase tree vigor and avoid trauma. 2, in the early spring brush white coating agent, or use Baume 0.5 degrees lime sulfur, or 1:2:160 Bordeaux liquid spray dry, can protect plants from infection. 3, a small amount of disease, the disease can be scraped off or cut off diseased branches, and 100 times formalin disinfection. 4, lilacs should be planted in the high dry ground, timely drainage after the rain, but also balcony potted plants. 5, the incidence of adult plants, in the root of the disease plant sulfur powder 50 to 100 grams.