coriander diseases a lecture on tot training of ffs by mr allah dad khan provincial coordinator...
TRANSCRIPT
Coriander DiseasesA
Lecture To ToT trainees ( FFS) By
Mr. Allah Dad Khan Provincial Coordinator
IPM KPK MINFAL Pakistan
Bacterial leaf spot Pseudomonas syringae
Symptoms
• Very small water-soaked spots between leaf veins which enlarge and turn dark brown to black; stems may have elongated dark streaks; inflorescences yellowing and turning brown and blighted; water-soaked lesions on fruit
Soft rot Erwinia carotovoraErwinia chrysanthemi
Pseudomonas marginalis
Symptoms
• Small water-soaked lesions near base of petioles which become soft, sunken and brown
Powdery mildew Erisyphe heraclei
Symptoms
• Powdery growth on leaves, petioles flowers stalks and bracts; leaves becoming chlorotic; severe infections can cause flowers to become distorted
Damping-off Pythium spp.Rhizoctonia solani
Symptoms
• Soft, rotting seeds which fail to germinate; rapid death of seedling prior to emergence from soil; collpase of seedlings after they have emerged from the soil caused by water-soaked reddish lesions girdling the stem at the soil line
Carrot motley dwarf (CMD)Carrot redleaf virus (CRLV)
+ Carrot mottle virus (CMoV)
Symptoms
• Yellow and red leaves; stunted plant growth
Root knot nematode Meloidogyne spp.
Symptoms
• Galls on roots which can be up to 3.3 cm (1 in) in diameter but are usually smaller; reduction in plant vigor; yellowing plants which wilt in hot weather
Carrot physiological disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad
Pepper physiological disorders By Mr. Allah Dad Khan Provincial Coordinator IPM KPK MINFAL Islamabad