Persimmon Tree Disease Prevention and Control Methods and Key Technical Points
Fertilizer and water management during the flowering period in an ecological persimmon orchard is an indispensable specific measure. Its purpose is to push the persimmon tree's growth rhythm to a peak. By emphasizing nutrient supply, it achieves the best effect in preserving flowers and fruit. In this way, all inappropriate means and measures in the management of the persimmon orchard during the flowering period are eliminated. It not only effectively...
Based on your description, we also cannot determine what disease it is. The following is the prevention and control of the main diseases and pests of persimmon trees, and we hope it will be helpful to you.The main diseases and pests include: persimmon angular leaf spot, circular leaf spot, anthracnose, black spot, leaf blight, powdery mildew, eucalyptus bagworm, Japanese mealybug, tea tussock moth, oval-toothed chafer beetle, red wax scale, brown-banded tortrix, small black nettle caterpillar, etc. Control methods: (1) Remove diseased fallen leaves and burn them; in the early stage of disease onset, spray Bordeaux mixture, zineb, carbendazim, or any one of these agents several times; when powdery mildew is severe, triadimefon can be sprayed. (2) Use light traps to kill adult insects; during the larval or nymph stage, spray dichlorvos, trichlorfon, fenitrothion, or any one of these agents.