Control of lily mosaic disease (cmv)
Symptoms: greenish mottled or necrotic spots appear on the leaves.
Pathogens: lily latent virus [Lilylatentvirus], cucumber mosaic virus [Cucumbermosaicvirus] (CMV for short). Lily latent virus is widely harmful in lily plants. Some lilies are asymptomatic after being infected with this virus, while others show symptoms of chlorosis and mottling. Cucumber mosaic virus causes chlorosis mottle symptoms, if the disease and Baiquan latent disease spot.
Route of transmission: peach aphids and other aphids are vectors of the virus. Cucumber mosaic virus infects other plants such as cucumber, tomato, zinnia, tobacco and heart leaf tobacco, causing mosaic and malformed symptoms.
Prevention and control methods:
1. Keep a good record of planting, do not use diseased plants as breeding materials, and burn out diseased plants.
2. Spraying insecticides regularly to kill aphids.
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Control of Penicillium rot of lily bulb
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)
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Propagation of lilies by multiple methods
There are many kinds of lilies, and appropriate measures can be taken according to different species during reproduction. the common methods are as follows: the seeds are sown immediately after harvest, or they can be sowed again in the next spring. Sunshade should be carried out in the seedling stage, and the management of water and fertilizer should be strengthened so that small bulbs can be formed in autumn. The flowering time varies with different kinds of lilies, such as musk lilies can bloom in a year. The bulblet mother plant forms a bulb on the underground stem node, and sometimes at the base of the bulb, which is separated from the bulb in autumn.
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