GARLIC (Allium sativum Alliaceae)
PLANTING, HARVESTING, CURING
AND STORAGE TECHNOLOGY
Dr Jai Singh (ARS)
M. Tech Ph D
Former Director ICAR – CIPHET
E – Mail: jsingh.sre@gmail.com
SOME GARLIC VARITIES
Agriford White, Yamuna Safed, Yamuna Safed -
3, Agriford Parvati, Agrifird Parvati - 2
Bhima Purple
GARLIC USES
Food
Preparations
Spice or Condiments for Flavour, Aroma
and Taste
Food Products Chutneys, Pickles, Dips , Curry Powder,
Sauces, Ketchups, Garlic Powder, Garlic
Salt, Garlic Vinegar, Garlic Bread, etc.
Medicinal Herbal products pastes and medicines for
stomach disease, sore eyes, and earache ,
VAT, PIT COUGH.
Dehydrated Products flakes, powder, pickles paste, canned and
bottled.
TOP PRODUCTION STATUS IN INDIA
(NHB - 2015 - 16)
SN STATE PRODUCTION, 000 TONNES
1 MADHYA PRADESH 424.5
2 Rajasthan 377.49
3 GUJRAT 318.20
4 Uttar pradesh 193.62
5 ASSAM 76.95
6 PUNJAB 73.54
7 WEST BENGAL 36.07
8 HARYANA 35.83
9 ORISSA 35.5
10 MAHARASHTRA 12.69
TOTAL 1584.59
GROWING SEASONS IN INDIA AND
AVAILABILITY (SD H& AG 2016– 17)
RABI SEASON GROWING
MONTH
HARVESTING
MONTH
Early growing September to
October December to
January
Mid growing Octomber to
November
January to
February
Late growing November to
December
February to
March
DOMESTIC AVAILABILITY = 8 – 10 LAKH TONNES
GARLIC CROP SEASON AND STATES GROWN
KHARIF : JUNE – JULY
TAMIL NADU, KARNATAKA, MAHARASHTRA,
MADHYA PRADESH, CHATTISGARH
RABI – OCT – NOVEMBER
ANDHRA PRADESH, BIHAR, HARYANA,
PUNJAB, UTTAR PRADESH, UTTRAKHAND,
RAJASTHAN AND BENGAL HILLS.
About 150 to 200 kg cloves are required to
plant one hectare. They are sown by dibbling
or furrow planting.
GARLIC RECOMMENDED PLANTING
METHOD
(ICAR - NRC ONION AND GARLIC )
IN RABI – FLAT BED 1.5 TO 2.0 M WIDTH AND 4 TO
6 M LENGTH.
IN KHARIF – BROAD BED 15 CM HEIGHT , 120 CM
LONG WITH 45 CM DEEP FURROW FOR
DRAINAGE.
FOR PLANTING HEALTHY CLOVES ARE TREATED
BY DIPPING IN 0.1 % CABENSADIN SOLUTION .
CLOVES ARE PLANTED 10 CM APART 7.5 CM DEEP
•IRRIGATION – DRIP OR SPRINKLER
PLANTING EQUIPMENT
SEMI – AUTOMATIC GARLIC PLANTER –
THE MACHINE IS PULLED BY A TRACTOR, THE
MACHINE MAKES NOTCHES IN SOIL TO PLACE
GARLIC CLOVE SEED MANUALLY.
GARLIC PLANTER
ROWS – 4
LINE SPACING – 25 CM
PLANT TO PLANT SPACING – 8 – 14 CM
SEEDING DEPTH – ADJUSTABLE 2 – 6 CM
Contd… GARLIC PLANTER SHOWING
PLACEMENT OF CLOVES IN SOIL
RABI AND KHARIF CROP PLANTING BEDS
CONTD….. CROPPLANTING:
SN PROPERTY EFFECT
1 PHYSICAL:- MASS,
VOLUME, BULK
DENSITY, POROSITY
20 – 30 g, 2245.64 mm cube, 453.5
to 478.75 Kg / cum / 892 to 1007
kg/m3 , 54 – 56 %
2 GEOMETRICAL :-
SIZE, SHAPE,
SURFACE AREA
Dia - 2.53 to 4.93 CM, Projected
area - 4.54 CM SQ
3 POROSITY:-
54 – 56 %
4 FILLING ANGLE OF
REPOSE;-
54.16±3.85°
ENGINEERING PROPERTIES OF GARLIC
(THE DATA INDICATED ARE AVERAGE
IRRESPECTIVE OF CULTIVAR AND AREA)
THERMAL:-
SPECIFIC HEAT,
THERMAL
CONDUCTIVITY,
DIFFUSIVITY:-
SPECIFIC HEAT, THERMAL
CONDUCTIVITY DECREAS
REDUCTION IN MOISTURE
CONTENT WITH STORAGE TIME.
THERMAL
DIFFUSIVITY AND
VOLUMETRIC
HEAT CAPACITY
INCREASES WITH REDUCTION IN
MOISTURE CONTENTWITH
STORAGE TIME
ENGINEERING PROPERTIES OF ONION
TEXTURAL
PROPERTIES:-
PENETRATION /
CRUSHING LOAD
Crushing strength - 55.6 to
155.0 N, Hardness - 13.78 N
COLOUR :- DECREASES AROUND 4 % WITH
STORAGE PERIOD.
TSS:- INCREASES 10 – 14 % WITH
STORAGE PERIOD
ENGINEERING PROPERTIES OF ONION
OBJECTIVE OF STORAGE
TECHNOLOGY
•TO MAINTAIN BULB IN UNCHANGED SOUND
CONDITION.
•TO MAINTAIN LONGER SELF LIFE.
•TO TRANSPORT WITH MINIMUM LOSSES.
•MARKETING & HANDLING WITH MINIMUM
LOSSES.
•TO REMOVE HEAT AND WATER VAPOUR.
•TO CHECK MARKET GLUT.
•OFF – SEASON AVAILABILITY.
•ENTREPRENEURSHIP DEVELOPMENT
•EXPORT
STORAGE PARAMETERS
(For Effective Long Storage)
Bulb size, Choice of Cultivars,
Cultivation Practices, Time of
Harvest, Field Curing, Removal of
Tops, Drying, Grading,
Packing, Storage Conditions
(optimum storage range of R H 65% to 70% ,
temperature ranging 27 TO 35 DEG C)
Contd -- Storage Parameters
Pre and Post Harvest Factors /
Conditions
Curing Techniques followed
Storage Techniques (temperature,
relative humidity, controlled
atmospheres)
 Handling and Local Transport
Major Quality Features
Utilization Processes and Methods
Contd ----STORAGE PARAMETERS
•VENTILATION LIFE LINE TO ONION
•CURING
•COOLING
•TEMP HOLDING
•DEHUMIDIFICATION
SEALING THE BULB OUTER LAYER AND
NECK
•DRY THE BULB AND LEAVES BY CURING.
• OUTER LAYERS SEAL THE BULB FROM
OUTER ENVIRONMENT.
•WEIGHT LOSS STOPS / MINIMISES
•SEALED LAYER PROTECTS AGAINST ROT
AND FUNGI
•MININISE TEMP FLUCTUATION TO PREVENT
SPROUTING
•STORE IN DARK LIGHT PROMOTES
SPROUTING
•SLOW VENTILATION IMPROVES QUALITY
FACTORS AFFECTING STORAGE LIFE:
•GROWING SEASON
•GENETIC MAKE UP - DRY MATTER, PUNGENCY, COLOUR,
NUMBER OF SCALES, NATURAL DORMENCY PERIOD.
•PRE - HARVEST TREATMENTS
•PRE – HARVEST MANAGEMENT : NUTRIENT, IRRIGATION,
TIME OF HARVEST, METHOD OF HARVEST, CLIMATIC
CONDITIONS.
•CURING : METHODS, DURATION, CONDITION AFTER
CURING.
•POST HARVEST MANAGEMENT.
•STORAGE ENVIRONMENT: CURING STAGE, TYPES OF
STORAGE STRUCTURES, DIRECTIONAL LAY - OUT OF
STRUCTURE. AERATION, STORAGE DURATION,
TREATMENTS DURING STORAGE, TEMPERATURE,
RELATIVE HUMIDITY, ETC.
STORAGE PERFORMANCE
•SKIN COLOUR
•DRY MATTER CONTENT
•LENGTH OF NATURAL DORMENCY
•TIME OF HARVESTING
•METHOD OF HARVESTING
METHOD OF STORAGE:
•GRADING
•MAKE BUNDLES OF 20 – 25 PLANTS TYING WITH
TOPS / LEAVES
•KEEP THE BUNDLES IN SHADE FOR 15 DAYS IN UP
RIGHT POSITION
•NOW STORE BUNDLES IN STRUCTURES
Pre-harvest treatment
PREPARATION FOR HARVESTING
FOR BETTER STORAGE - Spraying 3000
ppm MH, 3 weeks before harvest.
FOR MINIMUM DECAY LOSS - spraying
0.1% carbendazim
FOR REDUCING WEIGHT LOSS IN
STORAGE- Phosphorus and potassium
application
Post -harvest treatment fo safe
storage
Irradiation with 2-6 krad of cobalt 60
gamma rays given to bulbs within 8
weeks of harvesting recommended for
controlling sprouting in storage.
, reduce weight loss and can prolong
storage life .
GARLIC HARVESTING METHODS
a. HAND PULLING
b. UPROOTING BY KHURPI
c. POTATO DIGGER
d. DIGGER
HARVESTING OPERATION PREPARATION
DECIDE PURPOSE
STORAGE AND LATER MARKETING - 150 DAYS
READY TO HARVEST
Harvest when leaves begin to turn yellow,
but when about 60% are still green
MECHANICAL HARVESTING OF GARLIC
GARLIC CURING OBJECTIVE
To prepare for long term storage.
 To Improve colour and keeping quality
To reduces chances of infection / rot
by disease-causing organisms in
storage.
TO REMOVE EXCESS MOISTURE FROM OUTER SKIN
AND NECK
TO ALLOW COLOUR DEVELOPMENT
TO MAKE BULB COMPACT AND TO GO IN natural
DORMANT STAGE
Contd -- CURING - OBJECTIVE
•SURFACE DRYING - EXCESS
MOISTURE REMOVAL FROM OUTER
SKIN, NECK, ROOTS.
•TO WITHER THE BULB NECK AND
TIGHTENING PAPERY SKIN TO SEAL
OUT MOISTURE
•CURE FOR 2 – 3 WEEKS UNTIL TOP
NECK GETS COMPLETELY DRIED
Curing Mechanics
•Fresh bulbs contains sugary juices
and wear light skin cover.
•Dry skin works as papery wrappers.
•Pungent compound replace sugars.
•Bulb neck gets tightened.
•Seals out moisture and
microorganisms.
DR JAI SINGH
CURING METHODS
FIELD CURING:
WINDROW CURING:
SHADE / NATURAL CURING:
SHADE / GREEN HOUSE, HOOP
HOUSE CURING:
MECHANICAL / ARTIFICIAL / HOT AIR
FIELD CURING GARLIC
Bulbs with leaves are piled and covered by cut
grasses / crop residues. Curing requires high
temperature and high relative humidity . Grass
covering traps self-generated heat and moisture.
The stack should be left for about four day to remove
excess moisture from outer skin and neck of bulbs.
DIGGING BULBS COVERING WITH DRY LEAVES OR
PILING COVERED BY GRASS
WINDROW CURING
•PLACING DUG OUT BULBS IN WINDROWS
WITH LEAVES OF ONE ROW COVERING THE
BULBS OF NEXT ROW PROTECTING BULBS
FROM SUN BURN
•TURN WINDROWS REGULARLY FOR EVEN
CURING.
NATURAL CURING
MAKE BUNDLES OF 10 – 12 BULBS TYING WITH
LEAVES. HUNG THE BUNDLES, END DOWN, ON
STRINGS / BAMBOO STRIP FRAME.
CONTD -- NATURAL SHADE CURING AND DRYING
SHADE / GREEN HOUSE, HOOP HOUSE
CURING:
After field curing the bulb tops are cut leaving 2
cm neck on the bulbs and dried in shade for 15
days.
DEHYDRATION PROCESS CURING
The perfect Dehydration Process makes
the Garlic free from Moisture and it gives
a long shelf life without losing the
Aroma, Taste, Flavour and Pungancy.
27°C is ideal for two weeks drying time.
MECHANICAL / ARTIFICIAL / HOT AIR
MECHANICAL :BLOWING HOT AIR 27 – 35
DEG CELCIUS RH 60 – 75 % FOR 48 HRS.
NECKS WILL GRADUALLY WITHER AND
PAPERRY SKIN WILL TIGHTEN (NHRDF)
STORAGE TECHNOLOGY
CONVENTIONAL
IMPROVED
 well ventilated place
STACKS LOOSE OR PERFORATED BAGS
STACK HEIGHT 1.5 M
AREATION SPACE ALL AROUND
SUITABLE CULTIVER – DM, PUNGENCY, SKIN COLOR,
SKIN NUMBER, NATURAL DORMENCY.
ROTTING INCREASES WITH HUMIDITY
SPROTING INCREASES WITH TEMPERATURE
STORAGE AT 0 DEG C CAN GO FOR 150 DAYS WITH
AROUND 14 % WEIGHT LOSS
CAN BE STORED AT 30 TO 35 DEG C
CONTD …….STORAGE TECHNOLOGY
CONTROLLED ATMOSPHERE (CA) 3-5 % O2 + 10
% CO2, TEMP 4.4 DEG C
O2 1 % + NIL CO2 AT ROOM TEMP ALSO
SUITABLE
TRADITIONAL STRUCTURES INDIAN
TEMP: 25 – 30 DEG C, RH : 65 – 75 %
DIRECTION : NORTH – WEST
LENGTH FACING : EAST – WEST
GROUND CLEARANCE : 60 CM
STRUCTURE HEIGHT : 90 – 150 CM
FLOOR AREA FOR 25 TONNES : 4.5 X 6.0 SQ M
STR. WIDTH : 1- 1.5 M
SHADE OVER HUNG : 1.5 M
TYPES OF STORAGE TECHNOLOGY
IN INDIA
Moisture loss during storage
•cold store - 4.38-5.57%
•at room temp storage - 4.44-5.77
•in traditional storage - 4.36%
Total weight loss
•cold store –16.10
•room temp storage –18.30%
•traditional structure - 14.24%
ON STRING : Strings are
tied on bulbs neck and
arranged spirally on the
rope. The ropes are hung
on poles arranged
horizontally or vertically in
the shed.
ICAR – CIPHET SINGLE POLE STORAGE METHOS
WOODEN POLES 100 – 150 MM DIA 3 – 4 M LONG ARE
ERECTED IN SHADE IN SQUARE CINFIGURATION OF 60 – 75
CM. FULLY CURED ONIONS ARE BUNCHED WITH LEAVES.
THESE BUNCHES ARE TIED ON POLES SPIRALLY. ONIONS
REMAIN HUNG ON POLES WITH EACH BULB EXPOSED TO
OUTER AIR.
HANGING METHOD: Fully
cured de - topped onions ,
packed in woven bags
hung on wooden poles
with strings
CONCENTRIC RING SPLIT
BAMBOO 100 TO 800 KG
CAPACITY. GARLIC ARE FILLED IN
BETWEEN THE RINGS. AERATION
FROM BOTTOM AND SIDES. PLW IS
MINIMUM.
CONTD …… GARLIC STORAGE
NHRDF – 3 TONNE CAPACITY , 6.5 X
5 SQ M, FLOOR AREA, SIDE AND
TOP AERATION,
MADE UP OF BAMBOO AND
THETCH / TILE ROOF
NHRDF – 3 TONNE CAPACITY , 6.5 X
5 SQ M, FLOOR AREA, FLOOR,
SIDE AND TOP AERATION,
MADE UP OF BAMBOO AND
THETCH / TILE ROOF
GARLIC STORAGE STRUCTURES
NHRDF – DINDIGUL
STORAGE STRUCTURE,
THETCH ROOF, AERATION
SIDES AND TOP.
ICAR – DOGR – THETCH
ROOF AERATION FROM
SIDES AND FLOOR
KAU - KOTA – 600 SQ FEET
FLOOR AREA VENTILATED
TIERS 90 TONNES CAPACITY
MADE OF BAMBOO.
VENTILATION BOTTOM AND
SIDES
Temporary Storage in Rajasthan –
DETOPPED GARLIC IS STORED FOR 90 DAYS
IN SHED ARRANGED IN ROWS OF 1.2 M
WIDTH AND 1.5 M HIGH.
Bag Storage
HEAP STORAGE
ICAR – DOGR GARLIC STORAGE STRUCTURES – 25 – 30 TONNES
CAPACITY :
( 1 )DOUBLE RAW BOTTOM, TOP AND SIDES VENTILATED (2) DOUBLE
RAW SIDES AND TOP VENTILATED (3) SINGLE RAW MUD PLASTERED /
NET WOVEN. Iron / Bamboo frame
SOLAR POWERED
FORCED VENTILATED
SORE
COLD ROOM STORAGE –
TEMPERATURE o – 2
deg C / 7.83-10.26, RH -
65.58-69.45 - LOSSES – NIL. 6
DR JAI SINGH
CONTD …… GARLIC STORAGE
Storage – cum - Drying in High Tunnels:
Tunnels are multi tier . Garlic produce after
detopping and storage treatments are placed
in cloth and ventilated
by fans.
Storage – cum - Drying on
Racks :
Roots and tops cut or
uncut spread out on
drying racks.
GRADING / SORTING : After curing and
before storage / marketing minimum bulb size
45 mm, compact free of damage and sun burn
for better price.
TRANSPORT MODES FOR GARLIC
LET US COLLECTIVELY SPIN
ADAPTABLE GARLIC ENGINEERING
AND TECHNOLOGY DR JAI SINGH
PRODUCE MORE GARLIC SO
AS TO REACH TO ALL DR JAI SINGH

Garlic harvesting ,curing and storage technologytech

  • 1.
    GARLIC (Allium sativumAlliaceae) PLANTING, HARVESTING, CURING AND STORAGE TECHNOLOGY Dr Jai Singh (ARS) M. Tech Ph D Former Director ICAR – CIPHET E – Mail: jsingh.sre@gmail.com
  • 2.
    SOME GARLIC VARITIES AgrifordWhite, Yamuna Safed, Yamuna Safed - 3, Agriford Parvati, Agrifird Parvati - 2 Bhima Purple
  • 3.
    GARLIC USES Food Preparations Spice orCondiments for Flavour, Aroma and Taste Food Products Chutneys, Pickles, Dips , Curry Powder, Sauces, Ketchups, Garlic Powder, Garlic Salt, Garlic Vinegar, Garlic Bread, etc. Medicinal Herbal products pastes and medicines for stomach disease, sore eyes, and earache , VAT, PIT COUGH. Dehydrated Products flakes, powder, pickles paste, canned and bottled.
  • 4.
    TOP PRODUCTION STATUSIN INDIA (NHB - 2015 - 16) SN STATE PRODUCTION, 000 TONNES 1 MADHYA PRADESH 424.5 2 Rajasthan 377.49 3 GUJRAT 318.20 4 Uttar pradesh 193.62 5 ASSAM 76.95 6 PUNJAB 73.54 7 WEST BENGAL 36.07 8 HARYANA 35.83 9 ORISSA 35.5 10 MAHARASHTRA 12.69 TOTAL 1584.59
  • 5.
    GROWING SEASONS ININDIA AND AVAILABILITY (SD H& AG 2016– 17) RABI SEASON GROWING MONTH HARVESTING MONTH Early growing September to October December to January Mid growing Octomber to November January to February Late growing November to December February to March DOMESTIC AVAILABILITY = 8 – 10 LAKH TONNES
  • 6.
    GARLIC CROP SEASONAND STATES GROWN KHARIF : JUNE – JULY TAMIL NADU, KARNATAKA, MAHARASHTRA, MADHYA PRADESH, CHATTISGARH RABI – OCT – NOVEMBER ANDHRA PRADESH, BIHAR, HARYANA, PUNJAB, UTTAR PRADESH, UTTRAKHAND, RAJASTHAN AND BENGAL HILLS. About 150 to 200 kg cloves are required to plant one hectare. They are sown by dibbling or furrow planting.
  • 7.
    GARLIC RECOMMENDED PLANTING METHOD (ICAR- NRC ONION AND GARLIC ) IN RABI – FLAT BED 1.5 TO 2.0 M WIDTH AND 4 TO 6 M LENGTH. IN KHARIF – BROAD BED 15 CM HEIGHT , 120 CM LONG WITH 45 CM DEEP FURROW FOR DRAINAGE. FOR PLANTING HEALTHY CLOVES ARE TREATED BY DIPPING IN 0.1 % CABENSADIN SOLUTION . CLOVES ARE PLANTED 10 CM APART 7.5 CM DEEP •IRRIGATION – DRIP OR SPRINKLER
  • 8.
  • 9.
    SEMI – AUTOMATICGARLIC PLANTER – THE MACHINE IS PULLED BY A TRACTOR, THE MACHINE MAKES NOTCHES IN SOIL TO PLACE GARLIC CLOVE SEED MANUALLY.
  • 10.
    GARLIC PLANTER ROWS –4 LINE SPACING – 25 CM PLANT TO PLANT SPACING – 8 – 14 CM SEEDING DEPTH – ADJUSTABLE 2 – 6 CM
  • 11.
    Contd… GARLIC PLANTERSHOWING PLACEMENT OF CLOVES IN SOIL
  • 12.
    RABI AND KHARIFCROP PLANTING BEDS
  • 13.
  • 14.
    SN PROPERTY EFFECT 1PHYSICAL:- MASS, VOLUME, BULK DENSITY, POROSITY 20 – 30 g, 2245.64 mm cube, 453.5 to 478.75 Kg / cum / 892 to 1007 kg/m3 , 54 – 56 % 2 GEOMETRICAL :- SIZE, SHAPE, SURFACE AREA Dia - 2.53 to 4.93 CM, Projected area - 4.54 CM SQ 3 POROSITY:- 54 – 56 % 4 FILLING ANGLE OF REPOSE;- 54.16±3.85° ENGINEERING PROPERTIES OF GARLIC (THE DATA INDICATED ARE AVERAGE IRRESPECTIVE OF CULTIVAR AND AREA)
  • 15.
    THERMAL:- SPECIFIC HEAT, THERMAL CONDUCTIVITY, DIFFUSIVITY:- SPECIFIC HEAT,THERMAL CONDUCTIVITY DECREAS REDUCTION IN MOISTURE CONTENT WITH STORAGE TIME. THERMAL DIFFUSIVITY AND VOLUMETRIC HEAT CAPACITY INCREASES WITH REDUCTION IN MOISTURE CONTENTWITH STORAGE TIME ENGINEERING PROPERTIES OF ONION
  • 16.
    TEXTURAL PROPERTIES:- PENETRATION / CRUSHING LOAD Crushingstrength - 55.6 to 155.0 N, Hardness - 13.78 N COLOUR :- DECREASES AROUND 4 % WITH STORAGE PERIOD. TSS:- INCREASES 10 – 14 % WITH STORAGE PERIOD ENGINEERING PROPERTIES OF ONION
  • 17.
    OBJECTIVE OF STORAGE TECHNOLOGY •TOMAINTAIN BULB IN UNCHANGED SOUND CONDITION. •TO MAINTAIN LONGER SELF LIFE. •TO TRANSPORT WITH MINIMUM LOSSES. •MARKETING & HANDLING WITH MINIMUM LOSSES. •TO REMOVE HEAT AND WATER VAPOUR. •TO CHECK MARKET GLUT. •OFF – SEASON AVAILABILITY. •ENTREPRENEURSHIP DEVELOPMENT •EXPORT
  • 18.
    STORAGE PARAMETERS (For EffectiveLong Storage) Bulb size, Choice of Cultivars, Cultivation Practices, Time of Harvest, Field Curing, Removal of Tops, Drying, Grading, Packing, Storage Conditions (optimum storage range of R H 65% to 70% , temperature ranging 27 TO 35 DEG C)
  • 19.
    Contd -- StorageParameters Pre and Post Harvest Factors / Conditions Curing Techniques followed Storage Techniques (temperature, relative humidity, controlled atmospheres)  Handling and Local Transport Major Quality Features Utilization Processes and Methods
  • 20.
    Contd ----STORAGE PARAMETERS •VENTILATIONLIFE LINE TO ONION •CURING •COOLING •TEMP HOLDING •DEHUMIDIFICATION
  • 21.
    SEALING THE BULBOUTER LAYER AND NECK •DRY THE BULB AND LEAVES BY CURING. • OUTER LAYERS SEAL THE BULB FROM OUTER ENVIRONMENT. •WEIGHT LOSS STOPS / MINIMISES •SEALED LAYER PROTECTS AGAINST ROT AND FUNGI •MININISE TEMP FLUCTUATION TO PREVENT SPROUTING •STORE IN DARK LIGHT PROMOTES SPROUTING •SLOW VENTILATION IMPROVES QUALITY
  • 22.
    FACTORS AFFECTING STORAGELIFE: •GROWING SEASON •GENETIC MAKE UP - DRY MATTER, PUNGENCY, COLOUR, NUMBER OF SCALES, NATURAL DORMENCY PERIOD. •PRE - HARVEST TREATMENTS •PRE – HARVEST MANAGEMENT : NUTRIENT, IRRIGATION, TIME OF HARVEST, METHOD OF HARVEST, CLIMATIC CONDITIONS. •CURING : METHODS, DURATION, CONDITION AFTER CURING. •POST HARVEST MANAGEMENT. •STORAGE ENVIRONMENT: CURING STAGE, TYPES OF STORAGE STRUCTURES, DIRECTIONAL LAY - OUT OF STRUCTURE. AERATION, STORAGE DURATION, TREATMENTS DURING STORAGE, TEMPERATURE, RELATIVE HUMIDITY, ETC.
  • 23.
    STORAGE PERFORMANCE •SKIN COLOUR •DRYMATTER CONTENT •LENGTH OF NATURAL DORMENCY •TIME OF HARVESTING •METHOD OF HARVESTING
  • 24.
    METHOD OF STORAGE: •GRADING •MAKEBUNDLES OF 20 – 25 PLANTS TYING WITH TOPS / LEAVES •KEEP THE BUNDLES IN SHADE FOR 15 DAYS IN UP RIGHT POSITION •NOW STORE BUNDLES IN STRUCTURES
  • 25.
    Pre-harvest treatment PREPARATION FORHARVESTING FOR BETTER STORAGE - Spraying 3000 ppm MH, 3 weeks before harvest. FOR MINIMUM DECAY LOSS - spraying 0.1% carbendazim FOR REDUCING WEIGHT LOSS IN STORAGE- Phosphorus and potassium application
  • 26.
    Post -harvest treatmentfo safe storage Irradiation with 2-6 krad of cobalt 60 gamma rays given to bulbs within 8 weeks of harvesting recommended for controlling sprouting in storage. , reduce weight loss and can prolong storage life .
  • 27.
    GARLIC HARVESTING METHODS a.HAND PULLING b. UPROOTING BY KHURPI c. POTATO DIGGER d. DIGGER
  • 28.
    HARVESTING OPERATION PREPARATION DECIDEPURPOSE STORAGE AND LATER MARKETING - 150 DAYS READY TO HARVEST Harvest when leaves begin to turn yellow, but when about 60% are still green
  • 29.
  • 30.
    GARLIC CURING OBJECTIVE Toprepare for long term storage.  To Improve colour and keeping quality To reduces chances of infection / rot by disease-causing organisms in storage. TO REMOVE EXCESS MOISTURE FROM OUTER SKIN AND NECK TO ALLOW COLOUR DEVELOPMENT TO MAKE BULB COMPACT AND TO GO IN natural DORMANT STAGE
  • 31.
    Contd -- CURING- OBJECTIVE •SURFACE DRYING - EXCESS MOISTURE REMOVAL FROM OUTER SKIN, NECK, ROOTS. •TO WITHER THE BULB NECK AND TIGHTENING PAPERY SKIN TO SEAL OUT MOISTURE •CURE FOR 2 – 3 WEEKS UNTIL TOP NECK GETS COMPLETELY DRIED
  • 32.
    Curing Mechanics •Fresh bulbscontains sugary juices and wear light skin cover. •Dry skin works as papery wrappers. •Pungent compound replace sugars. •Bulb neck gets tightened. •Seals out moisture and microorganisms. DR JAI SINGH
  • 33.
    CURING METHODS FIELD CURING: WINDROWCURING: SHADE / NATURAL CURING: SHADE / GREEN HOUSE, HOOP HOUSE CURING: MECHANICAL / ARTIFICIAL / HOT AIR
  • 34.
    FIELD CURING GARLIC Bulbswith leaves are piled and covered by cut grasses / crop residues. Curing requires high temperature and high relative humidity . Grass covering traps self-generated heat and moisture. The stack should be left for about four day to remove excess moisture from outer skin and neck of bulbs. DIGGING BULBS COVERING WITH DRY LEAVES OR PILING COVERED BY GRASS
  • 35.
    WINDROW CURING •PLACING DUGOUT BULBS IN WINDROWS WITH LEAVES OF ONE ROW COVERING THE BULBS OF NEXT ROW PROTECTING BULBS FROM SUN BURN •TURN WINDROWS REGULARLY FOR EVEN CURING.
  • 36.
    NATURAL CURING MAKE BUNDLESOF 10 – 12 BULBS TYING WITH LEAVES. HUNG THE BUNDLES, END DOWN, ON STRINGS / BAMBOO STRIP FRAME.
  • 37.
    CONTD -- NATURALSHADE CURING AND DRYING
  • 38.
    SHADE / GREENHOUSE, HOOP HOUSE CURING: After field curing the bulb tops are cut leaving 2 cm neck on the bulbs and dried in shade for 15 days.
  • 39.
    DEHYDRATION PROCESS CURING Theperfect Dehydration Process makes the Garlic free from Moisture and it gives a long shelf life without losing the Aroma, Taste, Flavour and Pungancy. 27°C is ideal for two weeks drying time.
  • 40.
    MECHANICAL / ARTIFICIAL/ HOT AIR MECHANICAL :BLOWING HOT AIR 27 – 35 DEG CELCIUS RH 60 – 75 % FOR 48 HRS. NECKS WILL GRADUALLY WITHER AND PAPERRY SKIN WILL TIGHTEN (NHRDF)
  • 41.
    STORAGE TECHNOLOGY CONVENTIONAL IMPROVED  wellventilated place STACKS LOOSE OR PERFORATED BAGS STACK HEIGHT 1.5 M AREATION SPACE ALL AROUND SUITABLE CULTIVER – DM, PUNGENCY, SKIN COLOR, SKIN NUMBER, NATURAL DORMENCY. ROTTING INCREASES WITH HUMIDITY SPROTING INCREASES WITH TEMPERATURE STORAGE AT 0 DEG C CAN GO FOR 150 DAYS WITH AROUND 14 % WEIGHT LOSS CAN BE STORED AT 30 TO 35 DEG C
  • 42.
    CONTD …….STORAGE TECHNOLOGY CONTROLLEDATMOSPHERE (CA) 3-5 % O2 + 10 % CO2, TEMP 4.4 DEG C O2 1 % + NIL CO2 AT ROOM TEMP ALSO SUITABLE TRADITIONAL STRUCTURES INDIAN TEMP: 25 – 30 DEG C, RH : 65 – 75 % DIRECTION : NORTH – WEST LENGTH FACING : EAST – WEST GROUND CLEARANCE : 60 CM STRUCTURE HEIGHT : 90 – 150 CM FLOOR AREA FOR 25 TONNES : 4.5 X 6.0 SQ M STR. WIDTH : 1- 1.5 M SHADE OVER HUNG : 1.5 M
  • 43.
    TYPES OF STORAGETECHNOLOGY IN INDIA
  • 44.
    Moisture loss duringstorage •cold store - 4.38-5.57% •at room temp storage - 4.44-5.77 •in traditional storage - 4.36% Total weight loss •cold store –16.10 •room temp storage –18.30% •traditional structure - 14.24%
  • 45.
    ON STRING :Strings are tied on bulbs neck and arranged spirally on the rope. The ropes are hung on poles arranged horizontally or vertically in the shed.
  • 46.
    ICAR – CIPHETSINGLE POLE STORAGE METHOS WOODEN POLES 100 – 150 MM DIA 3 – 4 M LONG ARE ERECTED IN SHADE IN SQUARE CINFIGURATION OF 60 – 75 CM. FULLY CURED ONIONS ARE BUNCHED WITH LEAVES. THESE BUNCHES ARE TIED ON POLES SPIRALLY. ONIONS REMAIN HUNG ON POLES WITH EACH BULB EXPOSED TO OUTER AIR.
  • 47.
    HANGING METHOD: Fully curedde - topped onions , packed in woven bags hung on wooden poles with strings CONCENTRIC RING SPLIT BAMBOO 100 TO 800 KG CAPACITY. GARLIC ARE FILLED IN BETWEEN THE RINGS. AERATION FROM BOTTOM AND SIDES. PLW IS MINIMUM. CONTD …… GARLIC STORAGE
  • 48.
    NHRDF – 3TONNE CAPACITY , 6.5 X 5 SQ M, FLOOR AREA, SIDE AND TOP AERATION, MADE UP OF BAMBOO AND THETCH / TILE ROOF NHRDF – 3 TONNE CAPACITY , 6.5 X 5 SQ M, FLOOR AREA, FLOOR, SIDE AND TOP AERATION, MADE UP OF BAMBOO AND THETCH / TILE ROOF GARLIC STORAGE STRUCTURES
  • 49.
    NHRDF – DINDIGUL STORAGESTRUCTURE, THETCH ROOF, AERATION SIDES AND TOP. ICAR – DOGR – THETCH ROOF AERATION FROM SIDES AND FLOOR KAU - KOTA – 600 SQ FEET FLOOR AREA VENTILATED TIERS 90 TONNES CAPACITY MADE OF BAMBOO. VENTILATION BOTTOM AND SIDES
  • 50.
    Temporary Storage inRajasthan – DETOPPED GARLIC IS STORED FOR 90 DAYS IN SHED ARRANGED IN ROWS OF 1.2 M WIDTH AND 1.5 M HIGH. Bag Storage HEAP STORAGE
  • 51.
    ICAR – DOGRGARLIC STORAGE STRUCTURES – 25 – 30 TONNES CAPACITY : ( 1 )DOUBLE RAW BOTTOM, TOP AND SIDES VENTILATED (2) DOUBLE RAW SIDES AND TOP VENTILATED (3) SINGLE RAW MUD PLASTERED / NET WOVEN. Iron / Bamboo frame
  • 52.
    SOLAR POWERED FORCED VENTILATED SORE COLDROOM STORAGE – TEMPERATURE o – 2 deg C / 7.83-10.26, RH - 65.58-69.45 - LOSSES – NIL. 6 DR JAI SINGH CONTD …… GARLIC STORAGE
  • 53.
    Storage – cum- Drying in High Tunnels: Tunnels are multi tier . Garlic produce after detopping and storage treatments are placed in cloth and ventilated by fans. Storage – cum - Drying on Racks : Roots and tops cut or uncut spread out on drying racks.
  • 54.
    GRADING / SORTING: After curing and before storage / marketing minimum bulb size 45 mm, compact free of damage and sun burn for better price.
  • 55.
  • 56.
    LET US COLLECTIVELYSPIN ADAPTABLE GARLIC ENGINEERING AND TECHNOLOGY DR JAI SINGH
  • 57.
    PRODUCE MORE GARLICSO AS TO REACH TO ALL DR JAI SINGH