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Iris is a flowering plant genus of 310 accepted species [1] with showy flowers. ... Diseases. Narcissus mosaic virus is most commonly known from Narcissus.
Sclerotinia bulborum is a plant pathogen infecting the bulbs of plants, causing black slime disease. It affects a number of ornamental bulbous plants including Iris, Hyacinth, Muscari and Narcissus. [2]
Narcissus mosaic virus (NMV) is a plant pathogenic virus in the genus Potexvirus and family Alphaflexiviridae, which infects Narcissus. It can also affect Iris (plants) . [ 1 ]
Iris attica, the Greek iris, is a plant species in the genus Iris, ... [20]: 118 It is prone to viral diseases, if left in water or overwatered. [7]
If the plants are long exposed to moisture they are prone to viral diseases. [7] The iris is intolerant of winds, which can dry out the plants. [13] It can be grown in rockeries, [7] [29] or a raised bed. [29] In his garden in Surrey, William Dykes had up to 100 specimens of Iris hoogiana, in open-sided frames. [23]
Dietes grandiflora, commonly named fortnight lily, large wild iris, African iris [1] or fairy iris, is a rhizomatous perennial plant of the family Iridaceae with long, rigid, sword-like green leaves. This species is common in horticulture in its native South Africa , where it is often used in public gardens, beautification of commercial ...
The green seed capsules, which remain attached to the plant throughout the winter, are 5–8 cm (2–3 in) long; and the seeds are scarlet. It is known as "stinking" because some people find the smell of its leaves unpleasant when crushed or bruised, [ 1 ] an odour that has been described as "beefy".
Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Organisms that cause infectious disease include fungi , oomycetes , bacteria , viruses , viroids , virus -like organisms, phytoplasmas , protozoa , nematodes and parasitic plants . [ 2 ]