Rio Grande Gummosis Info. Diplodia gummosis disease can occur if there is a pathogen that attacks Botryodiplodia theobromae Pat. Gummosis is the major disease which destroying the backbone of citrus industry. The aetiology of citrus gummosis in Ghana was reassessed in the same locations surveyed by previous studies. Phytophthora citrophthora was confirmed as the causal agent of the disease. Treatment of Citrus Gummosis. Understanding Citrus Gummosis disease dynamics over a period of time. Diplodia Kering Diplodia Basah. This gumming disease of citrus has been found to be chronic in nature. The disease was originally related to Phytophthora parasitica but more recently to Lasiodiplodia theobromae. The best cure for citrus gummosis is prevention, by high budding on sour stock and provision of resistant conditions, but the grower who already has valuable low budded trees on heavy soils with a large amount of gummosis, wishes a remedy. Diplodia gummosis is one of the major diseases in citrus. GummosisofPrunusS^Citrus THESIS \^.i' PRESENTEDTOTHEFACULTYGRADUATE SCHOOLOFCORNELLUNIVERSITY FORTHE DEGREEOFDOCTOROFPHILOSOPHY BY ORMONDBUTLER WITHPLATESVII-X [ReprintedfromAnnalsofBotany,Vol.XXV,No.XCVII] • Inversion of PROSAIL model for Citrus leaf C ab (Chlorophyll) Content and LAI (Leaf Area Index) retrieval.. Development of the Citrus Gummosis prediction model with the multi-source datasets for various environmental scenarios. The aetiology of citrus gummosis in Ghana was reassessed in the same locations surveyed by previous studies. • Analysis of agro-climatic effects on Gummosis disease. 3 Other management strategies for replant situations Sample for Phytophthoraand Citrus nematode (Tylenchulus) History of root rot – fumigate Uncertain if there was a history of root rot – preventive fungicides Aliette Ridomil Management of Gummosis Change emitters if they are causing the water to come in contact with the trunk Lecture of B.sc, M.sc, agriculture supervisor, AAO, SO , Plant pathology, Microbiology And important for all agriculture Compatitive exam. The name citrus Grande Rio gummosis comes from the area where it was first observed, the Rio Grande Valley of Texas, in the late 1940s on mature grapefruit trees. Citrus in Ghana are seriously affected by gummosis, which causes trunk cankers and tree death. The citrus-growing area in Ghana has expanded significantly in the last decades with 671,000 tonnes of citrus fruit produced in 2012 (FAOSTAT 2012). H. S. Fawcett. The disease is also sometimes referred to as Florida gummosis or ferment gum disease. Imp. Phytophthora citrophthora was confirmed as the causal agent of the disease.