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Bacterial wilt of carnations is a bacterial disease caused by the plant pathogen Paraburkholderia caryophylli (often referred to as Burkholderia caryophylli). [1] Previously named Pseudomonas caryophilli, [ 2 ] the pathogen is an aerobic gram negative bacteria known for only being capable of entering its host through wounds.
Its exact natural range is uncertain due to extensive cultivation over the last 2,000 years. Carnations are prized for their vibrant colors, delicate fringed petals, and fragrance. The scent of carnations is often described as spicy, clove-like, or reminiscent of a combination of cinnamon and nutmeg, hence the common name "clove pink".
Alternaria dianthi, sometimes known as carnation blight, is a fungal pathogen of the genus Dianthus. [1] Alternaria dianthi infections begin as small circular or ovular spots on leaves and stems, which can be red, purple, brown, yellow or gray.
Carnation flowers from which the virus gets its name. Infection can cause lesions and discoloration of the flowers, decreasing product value. Carnation Italian Ringspot Virus (CIRV) is a plant virus that impacts carnation plants (Dianthus caryophyllus). These flowers are a popular choice in ornamental flower arrangements.
Viral diseases; Carnation etched ring genus Cauliovirus, Carnation etched ring virus (CERV) Carnation latent genus Carlavirus, Carnation latent virus (CLV)
In general, carotenoids absorb wavelengths ranging from 400 to 550 nanometers (violet to green light). This causes the compounds to be deeply colored yellow, orange, or red. Carotenoids are the dominant pigment in autumn leaf coloration of about 15-30% of tree species, [3] but many plant colors, especially reds and purples, are due to polyphenols.
Residents of the rural West Virginia town at the heart of "Dark Waters" may (or may not) have been an extreme case, but their decades-long consumption of contaminated water was found to be the ...
These colors were the height of fashion especially in the late 1800s, when the industrial revolution made synthetic color pigments inexpensive and widely available for the first time. Bright shades of royal purple, mauve, and blue naturally became extremely popular and fashionable because these colors previously were only available to extremely ...