Control of diseases and insect pests of ginger flower
Ginger flowers are natural air fresheners placed indoors, giving rise to dazzling flowers. If such a beautiful flower grows diseases and insect pests, how sad it will be for flower friends. Let's start to explain to you the pest control of ginger flowers.
Control of diseases and insect pests of ginger flower
Bacterial sore disease
When there are many yellowish round spots on the bulb, it is necessary to consider bacterial sores, which eventually turn brown, the edge is raised, and the gelatinous substance is gradually separated from the spots in the center. With the development of the disease, the rhizome gradually rotted and the leaves withered, which should be discarded in time and slightly harmful to the corm to prevent it from spreading.
Leaf spot disease
When fungal leaf spot occurs, its leaves will appear special irregular spots, the size of the disease spot cake fertilizer, healing together, dark brown with a little gray. The disease often occurs in the upper half of the top of the leaf. The Bordeaux liquid measured at the top can be sprayed for prevention and control, and the harmful leaves will be burned in time.
Fungal wilt disease
His initial symptoms were that the leaves turned yellow and wilted, withered to death, and the dead leaves were yellow or white. Caused by fungal infection of the bulb, the corm has yellowish-brown forehead spots on the surface and dark brown in the middle. To prevent the disease, use carbendazim to soak for about 15-30 minutes, and carry out medicinal treatment, and then dry the corm.
Dry rot disease
It belongs to the fungal disease type, and numerous black hard sclerotia appear on the root base of the leaf or on the outer skin of the bulb. The lesion is round and usually sunken. Do not store bulbs in cold and humid conditions, otherwise dry rot will occur and the damaged bulbs will eventually ossify and turn black.
Mosaic disease
It is a kind of Iris mosaic virus, which mainly takes ginger flower as its host and clears the plant immediately after it is found.
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