Photo 1. The first symptom on a young sweetpotato leaf with little leaf phytoplasma is a "vein-clearing"; the veins are clearly seen, even the small ones.
Photo 2. The vines infected by little leaf phytoplasma appear bushy; leaves are small and there are many small shoots along the vines.
Sweetpotato little leaf, sweetpotato witches' broom
Candidatus Phytoplasma aurantifolia
AUTHORS Helen Tsatsia & Grahame Jackson
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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