Seed processing

In our daily life seed is a essential factor we use it for produce new plant and from the plant we take different types of grains.Seed is the vital element for germination new plant .

1. Welcome
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2. Name: FazleRabbi
ID: 18309035
Program: BSAg.
Under The department of Collage of Agricultural Sciences
IUBAT-International University Of Business Agriculture and Technology
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3. Topic Name: Seed Processing
Course code: AGR-301
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4. Seed Processing
Seedprocessingmeansimprovingthequalityofharvested
seed,includingseveraloperationsstartingfromharvestingof
seedcroptillitsmarketing
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5. Objectives of Seed Processing
To improve seed quality through removal of
Dieses affected seed, non-seed material, broken seeds
To maintain seed viability and vigour
To Make seed handling easy
To increase real value of seed
Real value = Purity (%) ×Germination (%)
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6. Methods used for Seed Processing
Seed Drying
Seed Cleaning
Seed Grading
Seed Packaging
Seed Labeling
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7. 1. Seed Drying
Reductioninseedmoisturecontenttoasaferlimitiscalledseed
drying
Itsobjectiveistomaintainseedviabilityandseedvigourfor
longerperiodoftimeduringstorage
Ifmoisturecontentsarehigh,thenhigherchancesofinsectpests
attack
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8. Types of Seed Drying
1. Natural Drying
• Seeds are spread uniformly at neat and clean place and dry under natural
conditions
i.eunder sun
2. Artificial Drying
Different artificial driers are used to dry seeds
• Bag Driers
• Box Driers
• Bin Driers
• Continuous Flow Tower
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9. 2. Seed Cleaning
Separation of physical impurities or removal of non
seed material from seed
• Wet Cleaning
• Dry Cleaning
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10. 3. Seed Grading
Removal of under sized / under weight seeds from
seed lot
Grading is done on the basis of
Length
Width
Thickness
Density of seed
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11. 4. Seed Packaging
Seeds are packed in bags of appropriate quality and
size.
Choice of packing material depends upon type of crop,
amount of seed and storage conditions
Packaging materials are three types:
Moisture-vapourresistance, e.gpolythene
Moisture-vapourpermeable, e.gcloth,paperbags
Moisture-vapourproof, e.gTin cans
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12. 5. Seeds Labelling
All seed bags must carry printed information about
Crop
Variety
Class of seed
Name & address of producer
Physical purity (%)
Genetic purity (%)
Moisture (%)
Germination (%)
Date of germination
Date of test
Net Content
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13. Some seed producing Organization
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14. Thank You
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