TOMATO (Lycopersicum esculentum Mill.)

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 tomato seed. 

II. Land requirements

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

III. Field Inspection

A minimum of three inspections shall be made, the first before flowering, the second during flowering and fruiting stage, and the third at mature fruit stage and prior to harvesting. 

IV. Field Standards

A. General requirements

1. Isolation

        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                                                                                   50                    25

Fields of the same variety not conforming to 

varietal purity requirements for certification                                                      50                    25

B. Specific requirements

        Factor                                                                                              Maximum permitted (%)*

                                                                                                                Foundation            Certified

      Offtypes                                                                                               0.10                    0.20     

** Plants affected by seed borne diseases                                                   0.10                    0.50

* Maximum permitted at final inspection  

** Seed borne diseases shall be:  Early blight (Alternaria solani Sorauer), 

                                                   Leaf spot (Stemphylium solani Weber),

                                                   Tobacco Mosaic Virus (TMV).    

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)                                                                           None                      None

Germination (minimum)                                                                              70%                       70%

Moisture (maximum)                                                                                  8.0%                      8.0%

For vapour-proof containers (maximum)                                                     6.0%                     6.0%