What are the common diseases and insect pests of jasmine?

What are the common diseases and insect pests of jasmine? Please introduce the main diseases and control methods of jasmine during the growth period as follows: first, stem rot: the disease occurs at the base of the stem, the initial spot is brown spot, watery. The plaque expands longitudinally into stripes. The edge is dark brown, the inside is grayish brown, and the tissue of the disease class in the later stage is decayed and split longitudinally, and black granules appear. The disease will occur throughout the year during the greenhouse maintenance period, especially in early spring. Outdoor maintenance also occurs from August to September. This disease is easy to occur in a hot and humid environment. Prevention and control methods: 1. When flowers are put on the pot, they can be sprayed with stone-sulfur mixture of 0.2-0.4 degrees. You can smear the disease spot or branches with 70% topiramate 600-1000 times solution, or use thiram 500 times solution, the effect is good. Second, jasmine leaf borer: Jasmine leaf borer is one of the main pests of jasmine. It eats jasmine leaves, buds, twigs and new shoots with its larvae. The bark of branchlets withered after being eaten, and the seedlings died after being killed, which seriously affected the growth and flowering of jasmine. Prevention and control methods: 1. In winter or early spring, remove the dead branches on the plant and the fallen leaves on the ground and burn them centrally; properly thinning the leaves to facilitate ventilation; and manually capture and kill the eggs, larvae and pupae on the leaves in time. two。 During the growth period of jasmine, it can be sprayed with 6000 times of 50% trichlorfon wettable powder, which has a good control effect. Third, cinnabar spider mite: cinnabar spider mite, also known as cotton red spider. It can harm many flowers and many greenhouse plants. Jasmine is one of the common victimized flowers. The leaves of the injured flowers showed small yellow-white spots at first, then gradually turned red and extended to the whole leaf, causing the leaves to curl, withered and yellow. This cochlea develops rapidly and does serious harm, affecting the growth and flowering of flowers and trees. Control methods: weeding and cleaning the flower bed in winter and irrigation in the nursery can eliminate the source of overwintering insects. In the red spider harm period, you can use 1500-2000 times of trichloropropanol EC (1500-2000 times of trichlorohydrin wettable powder, or 1000-1500 times of omethoate) spray control, spray once every 7 days, spray 2-3 times, the effect is better. When spraying, you should spray on the back of the leaves, and pay attention to spraying the inner branches and leaves of the middle and lower parts of the plant. In addition, there are white silk disease and other diseases and insect pests, specific methods can be based on the situation of the same department to prevent and control. Click to get more jasmine planting techniques click to get more flower planting techniques