Sugarcane Ramu stunt disease (279)
Pacific Pests, Pathogens and Weeds
- Narrow distribution. Papua New Guinea. On sugarcane, wild relatives and grasses. A major disease.
- Cane thin, stunted, with short erect leaves, and green to yellow streaks of varying length. Some or all shoots may die, depending on susceptibility.
- Spread by a planthopper.
- Cultural control: in smallholder plots remove plants and burn; resistant varieties (main method).
- Chemical control: none recommended as uneconomic; synthetic pyrethroids used in times of epidemics (1986).
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