DISEASE: Bacterial heart rot
HOST: Palm
Palm with advanced stage of heart rot. Symptoms of mature palms include rapid browning and desiccation of foliage, rot of roots and buds, and aborted fruits.
Bacterial heart rot | Palm
DISEASE: Bacterial heart rot
HOST: Palm (Cocos nucifera)
PATHOGEN: Phytomonas sp.
SOURCE: R. McCoy, M. Davis
DISEASE: Rice yellow dwarf
HOST: Rice
Stunted and chlorotic plant with profuse tillering.
Rice yellow dwarf | Rice
DISEASE: Rice yellow dwarf
HOST: Rice (Oryza sativa)
PATHOGEN: 'Candidatus Phytoplasma oryzae'
PATHOGEN SYNONYM: Phytoplasma Rice yellow dwarf group
SOURCE: B. Raju, M. Davis
DISEASE: Yellow wilt
HOST: Beet
Symptoms of this disease are yellow leaves, wilting, and then collapse. There may be dwarfing of new leaves, yellowing of sectors, and chlorosis of veins.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: F. Hills
DISEASE: Yellow wilt
HOST: Beet
Yellowing and dwarfing of sugar beet (left), an early stage of disease.
Yellow wilt | Beet
DISEASE: Yellow wilt
HOST: Beet (Beta vulgaris)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: J. McFarlane