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Mal secco is a disease caused by the conidia-producing fungal plant pathogen Phoma tracheiphila. [1] It mainly causes disease to citrus trees in the Mediterranean.In particular it causes damage to lemon trees in the Mediterranean basin. [2]
To dispose of citrus debris it should either be heated to a minimum of 180 °F for two hours, incinerated, buried in a landfill, or fed to livestock. Plant trash should be moved with caution if at all to avoid spreading the infectious ascospores. Any trees that are infected with citrus black spot should be removed from the grove and disposed of.
White oil is an insecticide spray used for controlling a wide range of insect pests in the garden. The spray works by blocking the breathing pores of insects, causing suffocation and death. It is effective in the control of aphids, scale, mealybug, mites, citrus leafminer and other smooth skinned caterpillars. [1] "
Citrus stubborn initially rose to a major concern for the citrus industry in the 1980s and is, in recent years, becoming an increasingly problematic disease. [11] Trees severely affected by citrus stubborn disease have been shown to have reduced fruit production by 45-52%, as compared with their undiseased counterparts. [12]
It is sprayed on plants as a preventive treatment; its mode of action is ineffective after a fungus has become established. It was invented in the Bordeaux region of France in the late 19th century. If it is applied in large quantities annually for many years, the copper in the mixture eventually becomes a pollutant .
Citrus mosaic Satsuma dwarf-related virus: Bud union crease Virus for some combinations, otherwise genetic or unknown Citrus leaf rugose genus Ilarvirus, Citrus leaf rugose virus (CLRV) Citrus yellow mosaic genus Badnavirus: Crinkly leaf Crinkly leaf virus (strain of Citrus variegation virus) Infectious variegation
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Co-infection between citrus blight and citrus greening disease (HLB) is possible, and is so severe a health issue that trees infected by both diseases usually die. [3] The disease affects trees of all ages and types, including seedlings and rootstocks. Young trees infected by citrus blight grow until the age of 5–6 before their growth is ...