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Question: Anthracnose of the Camellia
I have a camellia japonica affected by anthracnose (a few weeks ago). The
leaves are now pea green, opaque and are twisting. Seen
that I only have the terrace, I wanted to avoid spraying verdigris, I bought
CIFOZEB MANCOZEB FUN 3 by Cifo, but I don't understand if I can spray it or if
I do more damage than anything else (it indicates the disease, but on fruit trees, not
mentions spraying camellias too ...). Also, since the plants
on the terrace they are jungle type, for preventive purposes I would prefer
put something on nearby acidophiles (rhododendrons, camellias,
hydrangeas), as well as boxwood, mahonia etc. Since they are hit in the summer
from aphids, this time I would like to prevent, rather than fight with diseases !!
Thanks for the vs. Help,
Betty aka Betty Morgana
Answer: Antracnosi della Camelia
Thank you for contacting us regarding the Anthracnose problem
of the Camellia.
The Camellia belongs to the Teacee family with origin from Japan and
Korea. It is a very shiny, sensitive perennial plant with a persistent leaf
in the cold and in our climates it blooms in spring with large flowers of
color varies from white to red.
In order to grow well, it needs acid and very moist soil, shelter
winter from cold, medium lighting and very humid atmosphere.
It is subject to various fungal and environmental pathologies such as those arising
both for exposure to cold and from intolerance to basic soil e
from hard or calcareous waters but also from the very dry atmosphere.
Anthracnosis is a cryptogamic disease caused by the Colletothricum Fungus
Gloeosporioides which causes necrosis of the extremity of the young twigs which
it evolves into a total desiccation of the affected portion. Leaves
they take on a misty color and dry up. The mushroom penetrates the plant
through wounds caused by falling leaves, or frost. THE'
attack in the young shoots usually occurs in the spring, while on the branches
larger can also occur at other times of the year, it also causes
also the dulling of the cortex (rameal cancers).
The disease is severe in hot climates and in greenhouse cultivation.
The fight currently practiced involves the elimination of the affected part
by pruning and foliar treatments with cupric products.