Sichuan pepper tree, formerly known as: Sichuan pepper, alias: fenugreek, Dajiao, Qinjiao, Shujiao. The thorns on the stem often fall prematurely, the branches have short thorns, the bases of the thorns on the twigs are wide and flat and straight and long triangular, the current year’s branches are pubescent. Drought-tolerant, hi sunshine, planted everywhere. Zanthoxylum bungeanum is used as a traditional Chinese medicine, which has the functions of warming the qi in the middle, removing the cold, relieving pain, and killing insects. Treatment of abdominal pain, vomiting, diarrhea, schistosomiasis, roundworm embolism. Also used as an epidermal anesthetic. Pepper trees are both ornamental and edible. there is no disease, try not to spray.
To prevent pepper anthracnose, it is generally sprayed with 1000 times liquid pyraclostrobin + brassinolide. To prevent prickly ash tree aphids, you can spray with 3-5 Baume degree lime sulfur mixture before germination.

If the prickly ash tree is sick, it should be treated as soon as possible. The rust disease can be sprayed with triazolone or triazolone emulsifiable concentrate.

Cotton aphid of prickly ash often gathers on young leaves and young shoots of prickly ash to suck sap, resulting in leaf curling, flower drop and fruit drop. The control method is: alternately spray 40% omethoate 1,500 times solution, 40% ammonium phosphine 1,000 times solution, and 50% aphid killing emulsion 4,000 times solution every 10 days during the occurrence period, and spray 2-3 times continuously. Hazards can be controlled.

In spring, use phoxim granules or spray chlorpyrifos to control underground pests in the underground of prickly ash trees in spring, use imidacloprid for control of aphids, use spirotetramat·thiazinone for scale insects, and use chrysanthemum pesticides for flea beetles and wind butterflies. Before germination, spray Baume 5 degrees lime sulfur mixture on the whole tree, and spray all the base angles of the main stems and branches. Eradicate germs and spider mites, eggs. At the same time, it is necessary to cut off branches with severe diseases and insect pests, and carry out deep burial or burning. Prevent further spread and spread of pests.