MySheen

Anthracnose of lily (colletatrichuan liliaecearwn ferr.

Published: 2024-11-06 Author: mysheen
Last Updated: 2024/11/06, It mainly harms bulbs and also infects leaves and flowers. After the bulb was infected, irregular and light brown spots appeared at the initial stage, then light dark brown, slightly sunken, and finally the disease spot was almost black, and the tissue contracted and dried. The outer bulb suffered the most and gradually extended to the inner layer. The leaves were damaged, resulting in oval, yellowish disease spots, black-brown edges, and slightly sunken. Colletotrichum gloeosporioides overwintered in the affected area with hyphae and produced conidia the following year, which were spread by wind and rain. A plot with heavy clay and high water content; a plot with many lily mites.

It mainly harms bulbs and also infects leaves and flowers. After the bulb was infected, irregular and light brown spots appeared at the initial stage, then light dark brown, slightly sunken, and finally the disease spot was almost black, and the tissue contracted and dried. The outer bulb suffered the most and gradually extended to the inner layer. The leaves were damaged, resulting in oval, yellowish disease spots, black-brown edges, and slightly sunken.

Colletotrichum gloeosporioides overwintered in the affected area with hyphae and produced conidia the following year, which were spread by wind and rain. The land with heavy soil and high water content; the land with many lily mites; the land with many diseased bodies and diseased bodies planted in successive years is more serious.

 
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