What are the different diseases of the iris?
Iris flowers are permanent flowers, which means that they return every year and grow from onions or rhizomes depending on diversity. While busy gardeners can appreciate the fact that flowers appear in the same place every season, it also means that different types of diseases and pests of Iris can also become. Some diseases of the iris are caused by various types of fungal infections such as Fusarium defect. Other diseases are the result of insect activity that causes possible bacterial infections.
When planting Iris bulbs, it is best to avoid the consumption of these flowers over the past few years, unless the purpose is to expand the existing and healthy flower bed. Many types of Iris diseases can live in the soil for years and new plants can easily be infected if they are exposed. Collecting the wrong area is likely to result in a plant that will dry and die soon after germination, although some can live long enough to bloom.
FUSArium wilting is an example of a fungal infection that can bother flowers for many years as soon as it gets into the soil. This problem usually first infects the roots of the plant and causes dead brown spots that look sunken and are soft to the touch. The first visible symptom may be leaves that are stubborn and yellow; Soon after these leaves discard, the plant will die.
Another of the iris diseases caused by the fungus is the mustard of the seeds, also known as the crown rot and southern mold. Plants develop brown slime, which covers the base of flowers and leaves, and can spread along the plant and kill healthy and unhealthy parts of the plant. This often attacks Iris flowers from the Pacific coast and multicolored bearded irises. Mustard seed sponges can be effectively prevented, but if it once becomes the provision of both plants and soil, the area must be resisted from the area to prevent further spread.
Some types of iris diseases are caused by insect activity. Bacterial soft rot is one such problem and occurs when bacteria enter the wound into the plant caused by Iris drill activity. The rhizome is infected with the leaves and the plant gives out a disgusting odor, often without any obvious reason. Closer inspection usually publishes small holes that leave Auhor, and the only solution may be to dig and dispose of the whole plant, especially a rhizome.
Bacterial leaf spot is one of the diseases of the iris that does not necessarily have to be fatal for the plant, but can still cause considerable damage. There are large, wet spots on the leaves, first at the edges and then spread towards the center and brown, eventually turns white when the leaf dies. Strict hygiene can help control the spread of this infection as well as the removal of any infected leaves. Leaves must be removed from the area and should never end up on a compost heap or fledThe edges of the garden.