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Principles Of Seed Processing
(UoN, 2019)
Processing involves three steps STEP 1: PRE- CONDITIONING AND PRE CLEANING (a) Pre conditioning: Isolation of seed from plant parts with which it was harvested e.g. Shelling Maize sheller 1. High capacity power operated ...
Sizing and Texture/Surface Separation
(UoN, 2019)
Sizing – Width and Thickness
(c) Seed Science Center, ISU/Dr. Shyy
— Width and thickness separators are commonly referred to as
‘graders’ or ‘sizers’
— The separation is similar to, but generally more accurate
than, ...
Seed Processing – New Technology
(UoN, 2019)
New Technology:
(c) Seed Science Center, ISU/Dr. Shyy
— Color Sorter:
— Feeding system
— Light resource (range)
— Light detector
— Black/White
— Grey level
— Multiple colors/wavelength
— Ejecting device
— Divider
— ...
Seed Plant Design
(UoN, 2019)
Seed Plant Design – List of Equip.
(c)
Seed Plant Design And Management
(UoN, 2019)
Seed Treating Equipment
(UoN, 2019)
Seed Treating Equipment - Treatment
(c) Seed Science Center, ISU/Dr. Shyy
— Fungicides
— Insecticides
— Nematicides
— Avicides
— Common Seed Treatment Products:
— Polymers
— Inoculants
— Colorants
— Others?
— ...
Gravity Separation
(UoN, 2019)
Gravity Separation – Gravity Table
(c) Seed Science Center, ISU/Dr. Shyy
Oliver GT Forsberg GT LMC GT
• Undesirable seed and contaminants are often so similar to
the “good” seeds in size, shape, and surface textures ...
Steps In Seed Processing
(UoN, 2019)
SEED Processing involved three steps Step 1
Pre- conditioning and pre cleaning
Pre conditioning: Isolation of seed from plant parts with which it was harvested e.g. Shelling
Pre cleaning: Removal of external materials ...
Seed Science Center
(UoN, 2019)
• Seed Science Center (http: www.seeds.iastate.edu)
• ISU seed research since1890
• New Seed Science Building, 1978
• Largest public seed testing lab.
• Six programs (Director Dr. Misra):
• Seed Testing
• Seed ...
Handling and Damage Prevention
(UoN, 2019)
Handling and Damage Prevention
B
A
Question:
How to move seeds from
point A to point B safer,
quicker, and easier while
maintaining seed quality and
purity? (c) Seed Science Center, ISU/Dr. Shyy