INDIAN RAPE SEED AND MUSTARD (Brassica spp.)
(Rap =Yellow sarson, Brown sarson and Toria)
(Mustard =Rai)
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 the seed of rape seed and mustard.
II. Land requirements
Land to be used for seed production of rape seed and mustard shall be free from volunteer plants.
III. Field Inspection
A minimum of three inspections shall be made, the first before flowering, the second from flowering to fruiting
and the third at maturity 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 2,3,4 and 5 of the said Table:
Contaminants Minimum distance (meters)
Foundation Certified
Self- Self- Self- Self-
Compatible Incompatible Compatible Incompatible
types types types types
1 2 3 4 5
Fields of other varieties of the same spp 200 100 50 50
Fields of the same variety not conforming to the
varietal purity requirements for certification 200 100 50 50
Fields of Rocket salad and any of the other species
of the genus Brassica listed below: 50 100 25 50
B. juncea (L.) Czern & Coss. subsp. juncea (syn.B.Juncea (L.) Czern and Coss): Indian mustard or rai or bangla sarson.
B. juncea (L.) Czern & Coss. subsp. integrifolia (West) Thell (syn.B.Juncea (L.) Czern and Coss .var. cuneifolia Roxb.:
vegetable mustard or rai.
B. juncea var. rugosa (Roxb) : Pahadi rai
B. Chinensis Juslen non Duthie &Fuller. ( syn. B. campestris L. var. dichotoma Watt.) :brown sarson or kali sarson.
B.napus L.var. glauca (Roxb.) Schulz. (syn B.campestris var. sarson prain.): yellow sarson or pilli sarson or sarish.
B.napus L.var. napus ( syn. B. campestris L. var. toria Duth. &Full.): toria or rai or laha or maghi or achara rai.
B.tournefortii Gouan: Punjabi rai or jangli rai.
B.nigra (L>) koch: true mustard or black mustard or Banarsi rai.
B.alba (L.) Robenh: white mustard.
B. pekinensis (Lour.) Rupr: Chinese cabbage (heading).
B. Chinese L. Chinses cabbage (non-heading)
B. rapa L. : turnip
B. Specific requirements
Factor Maximum permitted (%)*
Foundation Certified
Offtypes 0.10 0.50
** Objectionable weed plants 0.050 0.10
* Maximum permitted at any inspection conducted at and after flowering in the case of offtypes and
at the final inspection in case of objectionable weeds.
** Objectionable weed shall be: Mexican prickly poppy (Satyanashi) (Argemone mexicana L.)
V. Seed standards
Factor Standards for each class
Foundation Certified
Pure seed (minimum) 97.0% 97.0%
Inert matter (maximum) 3.0% 3.0%
Other crop seeds (maximum) 10/ Kg 20/Kg
Other distinguishable varieties (maximum) 0.10% 0.50%
(By number) (By number)
Total weed seeds (maximum) 10/ Kg 20/Kg
Objectionable weed seeds (maximum) 5/ Kg 10/Kg
Germination (minimum) 85% 85%
Moisture (maximum) 8.0% 8.0%
For vapour-proof containers (maximum)
Mustard 5.0% 5.0%
Rapeseed 7.0% 7.0%
*Objectionable weed is the same as given at IV.B.above.