GREEN GRAM (Vigna radiata (L.) Wilezek)

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 green gram seed.

II. Land requirements

Land to be used for seed production of  green gram shall be free from volunteer plants.

III. Field Inspection

A minimum of two inspections shall be made, the first during flowering and the second at maturity and prior to harvesting. 

IV. Field Standards

A. General requirements

1. Isolation

Greengram  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                                                                                   10                    5

Fields of the same variety not conforming to the

varietal purity requirements for certification                                                       10                    5

B. Specific requirements

        Factor                                                                                              Maximum permitted (%)*

                                                                                                                Foundation            Certified

      Offtypes                                                                                               0.10                    0.20

**  Plants affected by seed borne diseases                                                  0.10                    0.20

*Maximum permitted at final inspection.

** Seed borne diseases shall be: Halo blight (Pseudomonas phasiolicola Burk) Dows.)

V. Seed standards

        Factor                                                                                              Standards for each class

                                                                                                                Foundation            Certified

Pure seed (minimum)                                                                                98.0%                    98.0%

Inert matter (maximum)                                                                             2.0%                       2.0%

Other crop seeds (maximum)                                                                   5/kg                       10/kg

Weed seeds (maximum)                                                                         10/kg                      20/kg

Other distinguishable varieties (maximum)                                                  5/kg                      10/kg

Germination including hard seeds (minimum)                                              75%                         75%

Moisture (maximum)                                                                                 9.0%                       9.0%

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