BANANA – MAJOR PRODUCTION CONSTRAINTS –
PHYSIOLOGICAL DISORDERS, PESTS AND DISEASES
AND INTEGRATED MANAGEMENT PRACTICES
Sharad Bisen
courtesy: open Source Study Material
BANANA – SOIL, CLIMATE, PLANTING, HIGH DENSITY PLANTING,
NUTRIENT AND WATER MANAGEMENT, INTER CULTURAL
SPECIAL OPERATIONS
Sharad Bisen
courtesy: open Source Study Material
PAPAYA – SOIL, CLIMATE, WATER AND NUTRIENT
MANAGEMENT, PAPAIN EXTRACTION, USES,
PESTS AND DISEASES MANAGEMENT
Sharad Bisen
courtesy: open Source Study Material
BANANA – SOIL, CLIMATE, PLANTING, HIGH DENSITY PLANTING,
NUTRIENT AND WATER MANAGEMENT, INTER CULTURAL
SPECIAL OPERATIONS
Sharad Bisen
courtesy: open Source Study Material
PAPAYA – SOIL, CLIMATE, WATER AND NUTRIENT
MANAGEMENT, PAPAIN EXTRACTION, USES,
PESTS AND DISEASES MANAGEMENT
Sharad Bisen
courtesy: open Source Study Material
this ppt will give very good outlet about jamun its medicinal value with medicinal importance.it also provide information about cultivation practice and post harvest product.
The detail cultivation practices of Banana fruit crop.
HORT-243 Production technology of fruit crops and plantation crops.
Here, within this ppt the detail cultivation of banana fruit crop is included.
Panama disease
Moko disease
Tip over or Heart rot
Sigatoka disease
Cigar end Rot
Anthracnose
Freckle or Black Spot
Banana bunchy top
Infectious chlorosis
A serious and important disease that affects banana and got huge loss in its yield and growth. Some factors that are responsible for its cause and measures to eliminate this disease are briefly discussed.
this ppt will give very good outlet about jamun its medicinal value with medicinal importance.it also provide information about cultivation practice and post harvest product.
The detail cultivation practices of Banana fruit crop.
HORT-243 Production technology of fruit crops and plantation crops.
Here, within this ppt the detail cultivation of banana fruit crop is included.
Panama disease
Moko disease
Tip over or Heart rot
Sigatoka disease
Cigar end Rot
Anthracnose
Freckle or Black Spot
Banana bunchy top
Infectious chlorosis
A serious and important disease that affects banana and got huge loss in its yield and growth. Some factors that are responsible for its cause and measures to eliminate this disease are briefly discussed.
The Integrated Disease Management (IDM) involves the need based use of pesticide only when the disease incidence reach economic threshold levels and this will promote the build up of many bio-control agent in the crop ecosystems.
Thus IDM, a greener alternative to the conventional use of chemicals, is an attempt to promote natural, economic and sociological farming methods through the most effective combination of farming techniques and judicious and limited use of fungicide.
In other words, IDM programme implies all the available disease management approaches including cultural, biological and chemical control with the main objective to keep the disease incidence below economic threshold level.
GRAPES – NUTRIENT DISORDERS, CORRECTIVE MEASURES,
GROWTH REGULATORS, PHYSIOLOGICAL DISORDERS, PESTS
AND DISEASES AND MANAGEMENT PRACTICES
Sharad Bisen
courtesy: open Source Study Material
CITRUS - CLASSIFICATION, SOIL, CLIMATE, VARIETIES,
PLANTING, NUTRIENT AND WATER MANAGEMENT,
INTERCULTURAL OPERATIONS
Sharad Bisen
courtesy: open Source Study Material
MANGO- MAJOR PROBLEMS, PHYSIOLOGICAL DISORDERS,
PESTS AND DISEASES AND INTEGRATED
MANAGEMENT PRACTICES
Sharad Bisen
courtesy: open Source Study Material
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1. LEC. 7 BANANA – MAJOR PRODUCTION CONSTRAINTS –
PHYSIOLOGICAL DISORDERS, PESTS AND DISEASES
AND INTEGRATED MANAGEMENT PRACTICES
Physiological disorders
Kottavazhai
In certain pockets of Tamil Nadu, the banana cv. Poovan is manifested
with a peculiar development disorder which is characterized by the presence of
distinctly conical and ill filled fruits with a prominent central core having many
under developed non viable seedy structures rendering the fruits inedible. This
disorder can be overcome by spraying 2,4 D 20 ppm when the last hand of
bunch is opened. The same chemical at same dose and same stage results in
increased bunch weight and uniform grade especially in cvs. Nendran and
Monthan.
Hard lump
It is characterized by pinkish brown, firm pulp than the usual soft pulp
occurs in cv.Rasthali, tastes like immature or unripe fruits. Spraying the bunches
uniformly with 2,4 D at 1000 ppm or dipping the cut end of peduncle of the
bunches for a period of 5 minutes appears to favour the reduction of lumps and
improve the size.
Sunscald
The peduncle of the bunches may be covered with flag leaf to prevent
'main stalk rot' and also the bunches with banana leaves to avoid sunscald.
Nematode
Bunchy top virus – Pentalonia nigronervosa.
Crop duration : bunches will be ready for harvest after 12-15 months of planting.
Viral diseases of banana
1. Bunchy top – transmitted by Aphid Pentalonia nigronervosa
2. Infected plants show short and narrow leaves together at the top of the pseudostem to form a
bunch, hence this disease is known as ‘Bunchy top’. The margins of leaves become wavy in
advance stage of infection and roll upward.
Management :a) Remove all the affected plants along with complete rhizome, planting of virus
free suckers.
b). control of banana aphid - spray 0.3% Rogar or Phosphomidon
Monocrotophos – 0.05% spray
2. Banana bract mosaic virus – transmitted by Aphis gossypii
Pentalonia nigronervosa
The name is derived from the conspicuous discolouration and necrotic streaks that develops on
the bracts of the male bud. Spindle shaped discolouration found on the pseudostem.
Management : Effective control is similar to that of other viral diseases. It requires early
detection, and immediate eradication of infected plants.
3. Banana Streak - Transmitted by citrus mealy bug –Planococcus citri
Foliar symptoms resemble those of banana mosaic, especially in the early stages. Later,
development of necrotic streaks
Fungal diseases of banana
1. Panama wilt (Fusarium oxysporum f.sp.cubense)
Yellowing of leaf blades, leaves wither and petiole breaks or buckles and hang
around the pseudostem. Longitudinal splitting of pseudostem and subsequent death of
entire plant.
Management :
Removal of infected plants and application of lime @ 2kg/pit and leave it fallow for 6
months
Growing resistant varieties like Dwarf Cavendish, Poovan and Nendran
Crop rotation with paddy in wet land cultivation
Capsule application of 50-60mg of carbendazim applied to the hole made at an angle of
45 degree diagonally in the diseases corm.
2. Sigatoka leaf spot disease – Mycosphaerella musicola
3. Yellowish green streaks appear along the veins which later on enlarge into
elongated/cylindrical spots. Several spots join together and cause drying of the leaves.
Management
Spray copper oxy chloride or carbendazim @ 500g/ha
Avoid close planting
Bacterial diseases
1. Moko wilt ( Pseudomonas solanacearum)
On leaves, yellowing starts from the inner leaf close to petiole and slowly spreads up
ward. All the leaves turn yellow and wilting occurs
Management
Good drainage facilities
Supress the wilt by bacteriazation with P.inflorescens
Crop rotation with sorghum
2. Tip over or heart rot ( Erwinia carotovora)
Seen mostly in tissue cultured plants . The middle tender leaf show rotting. Pseudostem
easily comes out from corm portion
Bacterial oozing from edge of corm and pseudostem is also noticed
Management
Disease free suckers
Resistant variety Poovan can be grown
Harvest
Bunches attain maturity from 100-150 days after flowering.
Yield (t/ha/year)
Poovan – 40-50
Monthan – 30-40
Robusta – 50-60
Dwarf Cavendish -50-60