Diseases and insect pests of cyclamen and their control: diseases and insect pests of cyclamen
Introduction to the symptoms and control methods of cyclamen diseases and insect pests. The heart bud and the interland part of the disease were injured. In the early stage of infection, the plant leaves drooped, the petiole and pedicel tissue faded and shrunk near the bulb, and the leaves and floral organs withered and lodged. The heart buds turn brown and wither. The underground corms are rotten and gangrenous after infection.
Disease ecology: general cultivated varieties are very susceptible. The parent plant or cultivation medium carrying bacteria, continuous rainfall and high soil moisture are the main causes of the disease.
Prevention and control methods:
First, the balls should be planted after the wound has healed, and the medicine should be soaked before planting.
Second, the use of bacteria-free medium cultivation, do not over-watering, set up rain protection facilities, the application of phosphorous acid or chemical protection against epidemic diseases, and pay attention to the removal of diseased plants at all times.
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Introduction to the symptoms and control methods of seedling blight and seedling blight of colored sea taro diseases and insect pests
What is the disease of color sea taro suffering from seedling blight? what are the ways of transmission? how can we prevent and cure this disease? Let's take a look. Symptoms: cause seed bulb bud body decay, seedling leaf browning, wrinkling and curling, especially when the bud body is not injured.
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Podocarpus white insects are aphids? Introduction to Aphid Harm Symptoms
Podocarpus white insects are aphids? Aphids harm the introduction of symptoms, let's take a look at it. Morphology: nymph: the body of the newly hatched nymph is flat, the wax powder on the body surface is thinner, and the color seems to be red. The wax powder of the old nymph is thicker, making the body color whiter. most
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