Seed :: Pulses :: Soyabeans
Land requirement

Land should be free of volunteer plants.

The previous crop should not be the same variety or other varieties of the same crop

It can be the same variety if it is certified as per the procedures of certification agency


For certified / quality seed production leave a distance of 3 m all around the field from the same and other varieties   of the crop.

Land Selection

Pod Formation

Pre-sowing seed treatment

Pellet the seeds with ZnSO4 @ 0.25 to 0.3 g kg-1 of seed using 2% CMC or 10% maida as adhesive @ 250 ml kg-1 of seed and arappu  leaf powder / vermicompost  as filler @ 300g kg-1 for better field establishment.


Seeds attained physiological maturity 27 –30 days after flowering

Harvest the pods as they turn yellow in colour


Thresh the pods either manually or mechanically using pliable bamboo sticks

Harvesting stage

Seed grading

Grade the seeds using 14/64”(5.6mm) to 12/64”(4.8mm) round perforated metal sieve based on varieties.


Dry the seeds to 7- 8% moisture content

Seed treatment

Slurry treat with carbendazim @ 2g kg-1 of seed along with carbaryl @ 200 mg kg-1 of seed. (or)

Slurry treat seeds with halogen mixture (CaOCl2 + CaCO3 + arappu (Albizzia amara)  leaf powder mixed in the ratio of 5:4:1) @ 3g kg-1 as eco – friendly treatment


Store the seeds in gunny or cloth bags for short term storage (8-9 months) with seed moisture content of 10-12%

Store the seeds in polylined gunny bag for medium term storage (12- 15 months) with seed moisture content of 8 – 10%

Store the seeds in 700 gauge polythene bag for long term storage (more than15 months) with seed moisture content of less than 7%

The Professor and Head,
Department of Seed Science & Technology,
TNAU, Coimbatore-641003.

Updated On: March, 2016
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