PADDY (Oryza sativa L.)

I. Application and Amplification of General Seed Certification Standards

The General Seed Certification Standards are basic and together with the following specific standards constitute the standards for certification of paddy seed.

II. Land requirements

Land to be used for seed production of paddy shall be free of volunteer plants.

III. Field Inspection

A minimum of two inspections shall be made from the time the crop approaches flowering until it is ready for harvesting.

IV. Field Standards

A. General requirements

1. Isolation

Paddy seed fields shall be isolated from the contaminants shown in the column 1 of the Table below by the distances specified in columns 2 and 3 of the said Table:

        Contaminants                                                                                   Minimum distance (meters)

                                                                                                                Foundation        Certified

            1                                                                                                         2                     3

Fields of other varieties                                                                                    3                    3

Fields of the same variety not conforming to the

varietal purity requirements for certification                                                       3                   3

B. Specific requirements

        Factor                                                                                              Maximum permitted (%)*

                                                                                                                Foundation            Certified

      Offtypes                                                                                               0.050                    0.20

  **Objectionable weed plants                                                                    0.010                    0.020

* Standards for offtypes and objectionable weeds shall be met at the final inspection.

** Objectionable weed shall be:

Wild rice (Oryza sativa L.Var.Fatua Prain (Syn.O.sativa L.f.spontania Rosch.)

V. Seed standards

        Factor                                                                                              Standards for each class

                                                                                                                Foundation            Certified

Pure seed (minimum)                                                                                98.0%                    98.0%

Inert matter (maximum)                                                                              2.0%                       2.0%

Huskless seeds (maximum)                                                                        2.0%                        2.0%

Other crop seeds (maximum)                                                                    10/kg                      20/kg

Other distinguishable varieties (maximum)                                                  10/kg                      20/kg

Total Weed seeds (maximum)                                                                   10/kg                      20/kg

* Objectionable weed seeds (maximum)                                                      2/kg                        5/kg

Seeds infected by Paddy bunt (Neovossia horrida (Tak.)

Padwick and Azmatulla Khan.) (maximum)                                               0.10%                     0.50%

                                                                                                                (by number)                (by number)             

Germination (minimum)                                                                             80%                        80%

Moisture (maximum)                                                                                13.0%                     13.0%

For vapour-proof containers (maximum)                                                    8.0%                        8.0%

* Objectionable weed is the same as given at IV. B above.