MySheen

Control of Penicillium rot of lily bulb

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, The disease occurs in the process of storage and transportation of lily bulbs. Symptoms: in the early stage of the disease, dark brown disease spots and sunken spots are produced on the injured scales. After that, the disease gradually spread inward, resulting in slow dry rot of the bulb, which took several weeks to rot away. In the later stage of the disease, the disease produced cyan mildew, which were the conidiophores and conidia of the pathogen. The pathogen is Penicillium circularum (PenicilliumcyclopiumWestl.) And Penicillium bungeanum (P.corymbiferumWest)

The disease occurs in the process of storage and transportation of lily bulbs.

Symptoms: in the early stage of the disease, dark brown disease spots and sunken spots are produced on the injured scales. After that, the disease gradually spread inward, resulting in slow dry rot of the bulb, which took several weeks to rot away. In the later stage of the disease, the disease produced cyan mildew, which were the conidiophores and conidia of the pathogen.

The pathogen is Penicillium circularum (PenicilliumcyclopiumWestl.) And P.corymbiferumWestl, belonging to the subphylum Trichoderma, Trichospora, Trichoderma, Penicillium. In addition to harming some plants, germs can also make a variety of organic matter mildew.

Control: refer to lily bulb soft rot. In addition, when 156g calcium hypochlorite powder was added to the packaging soil per 22.7kg during storage and transportation, the disease could be controlled, and the bulb soaked in warm water could also inhibit the disease.

 
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