1. PPA 601 FIELD OBSERVATION OF CITRUS AND BANANA
NAME: Neha Nandani:
Manisha Kumar:
Moreen Lata:
Sailasa .S. B:
Ropate Delanimate:

2. CITRUS Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class- Magnoliopsida – Dicotyledons
Subclass Rosidae
Order Sapindales
Family Rutaceae – Rue family
Genus Citrus L. – citrus

3. LIST OF DIEASES IN CITRUS:
Fungal attack on branches causing to die.
Sooty Canker Topography: Flat land
-Sap wood is killed leaf turn brown on branches
-Wilting and brown and die.

4. Con….
Control -Remove small infected branches -Prune large limbs when trees are dormant. -deep watering on regular basis. -Avoid regular pruning of larger limbs.

5. DISEASE OF CITRUS
2) Citrus canker(symptoms) -Vascular blackening -wilting -stunted growth -Stem rot

6. CONTROL MEASURES:
Control Measure -use of certified disease free seeds and transplants -hot water treatment on non-certified seeds. -Chemical treatment with sodium hypochlorite and hydrogen peroxide -Crop rotation with non cruciferous crop

7. PICTURES:

8. BANANA: Topography: flat land Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Zingiberidae
Order Zingiberales
Family Musaceae – Banana family
Genus Musa L. – banana

9. Old plant leaves dry/ panama disease
DISEASES:
Grown on ridges.
Old plant leaves dry/ panama disease
Old leaves yellowing
Longitudinal splitting of the outer sheaths on the pseudostem.
Followed by wilting and buckling of leaves on the petiole base.

10. BANANA DISEASE:

11. CONTROL: Heat treatment of soil
Chemical treatment- methyl bromide but can only last for 3 years.
Crop rotation of musa species with Chinese chive

12. Sigatoka leaf spot disease/ black sigatoka
CONT:
Sigatoka leaf spot disease/ black sigatoka
Chlorotic spots appears on the bottom surface of the 3rd or 4th open leaf.
Streak color becomes darker sometimes with purple tinge.
Black streaking of leaves
Early streak pale yellow and dark brown

13. Black sigatoka disease:

14. CONTROL: Chemical control on large planatation:
Mancozeb rotated with chlorothalonil, applied with water or oil combinaytion.
Biogical control: pseudomonas, bacillus and Serratia speceis.
Cultural practices: wider planting, better drainage, better weed management, remove diseased leaves or portion from the plants.