Sugarcane white leaf disease Lao PDR

More documents

Recommendations

Info

White leaf disease • First recognised in Thailand in 1954 • Phytoplasma pathogen • Transmitted via • planting material • Insect vector Matsumuratettix hiroglyphicus (aphid) • Symptoms o Leaf chlorosis o Stunting and poor ratooning o Trashy stool appearance o Poor yields
Early symptoms White leaf disease – Secondary infection • Single white or cream streak: young spindle leaf – Later: 3 symptom types • white leaves • stripe, or • mottled patterns – Striping follows vein direction (whole leaf length)
Page 1 and 2: Sugarcane white leaf disease Lao PD
Page 3: Visit to Lao PDR Activities • Bri
Page 9 and 10: Survey location
Page 11 and 12: Survey Reasons for high disease •
Page 13 and 14: Action required Implementation •
Page 15 and 16: Green grassy shoot (GGSD)
Page 17 and 18: Green grassy shoot (GGSD)
Page 19 and 20: Grassy shoot (GSD) Many small tille
Page 21: Actions required Funding • There
Page 25 and 26: GGSD vs GSD vs WLD Symptoms • GSD
Page 27 and 28: ‘Green grassy shoot disease’ (G
Page 29 and 30: ‘Green grassy shoot disease’ (G
Page 31 and 32: • Add photos Green grassy shoot
Page 35 and 36: White leaves
Page 38 and 39: ‘Grassy shoot disease’ (GSD)
Page 40 and 41: ‘Grassy shoot disease’ (GSD)

Sugarcane white leaf disease Lao PDR

Create successful ePaper yourself

Delete template?

Save as template?