| DR JOE DARVAS - CONSULTANT ON AVOCADO AND MANGO DISEASES | ||||||||||||||||||||||||
| KNOWLEDGE HELPS TO SOLVE PROBLEMS | ||||||||||||||||||||||||
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This property was reserved by DR JOE DARVAS, P O Box 684, Tzaneen 0850, South Africa | |||||||||||||||||||||||
| Research field covered | ||||||||||||||||||||||||
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Dr Darvas has been involved in subtropical fruit tree disease research since 1977. His specific experience on avocados are: - Root rot pathogens (Phytophthora cinnamomi, plus some other 12 organisms) and their control. - Pathogens causing pre-, and post-harvest fruit diseases (Pseudocercospora purpurea, Dothiorella aromatica, Colletotrichum gloeosporioides and six other organisms) and their control. On mangoes: - Bacterial black spot (Xanthomonas campestris mangiferaindicae) and control. - Blossom malformation (Fusarium subglutinans) and control. - Blossom blight by Dothiorella dominicana and control.
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Services offered by Dr Darvas: | - advisory service on the cultivation of sub-tropical fruit growing, avocado, mango, litchi, citrus, banana, flowers, ornamentals, forest trees and vegetables - identification of plant pathogens, isolation and classification of plant pathogenic microorganisms - trunk injection of avocados against root rot by Phytophthora - trunk painting of young avocados, citrus and macadamia trees for the control of root rot - contract research and spray trials
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