AOSA & ISTA Purity Weights

October 2006

The following weights are required for the purity and noxious weed exam.  This list includes weights in grams for testing according to A.O.S.A. and I.S.T.A. rules.  For  a more complete species list or weights required for Canadian Rules, please contact us.

 

AOSA
(grams)

ISTA
(grams)

Alfalfa (Medicago sativa) 50 50
Anise (Pimpinella anisum) 70 70
Artichoke (Cynara scolymus) 500 900
Asparagus (Asparagus officinalis) 500 1000
Barley (Hordeum vulgare) 500 1000
Bean, field or garden (Phaseolus vulgaris) 500 1000
Bean, lima (Phaseolus lunatus) 500 1000
Bean, runner (Phaseolus coccineus) 500 1000
Beet, table (Beta vulgaris) 300 500
Beet, sugar (Beta vulgaris) 500 500
Broccoli  (Brassica oleracea) 50 100
Brussels sprouts (Brassica oleracea) 50 100
Cabbage (Brassica oleracea) 50 100
Cantaloupe (Cucumis melo) 500 700
Carrot (Daucus carota) 50 30
Cauliflower (Brassica oleracea) 50 100
Celery (Apium graveolens) 12 10
Chicory (Cichorium intybus) 30 50
Chinese Cabbage (Brassica chinensis) 50 40
Chives (Allium schoenoprasum) 50 30
Collard (Brassica oleracea) 50 100
Coriander (Coriandrum sativum) 270 400
Corn (Zea mays) 500 1000
Cowpea (Vigna unguiculata) 500 1000
Cucumber (Cucumis sativus) 500 700
Dill (Anethum graveolens) 30 40
Eggplant (Solanum melongena) 110 150
Endive (Cichorium endivia) 30 40
Leek (Allium porrum) 60 70
Lettuce (Lactuca sativa) 30 30
Melon (Cucumis melo) 500 700
Mustard (Brassica juncea) 50 40
Oat (Avena sativa) 500 1000
Okra (Abelmoschus esculentus) 500 1000
Onion (Allium cepa) 70 80
Pak choi (Brassica chinensis) 50 40
Parsley (Petroselinum crispum) 50 40
Parsnip (Pastinaca sativa) 50 100
Pea (Pisum sativum) 500 1000
Pepper (Capsicum spp.) 150 150
Pumpkin (Cucurbita pepo) 500 1000
Radish (Raphanus sativus) 300 300
Rhubarb (Rheum rhaponticum) 420 450
Rutabaga (Brassica napus) 50 100
Ryegrass (Lolium spp.) 50 60
Safflower (Carthamus tinctorius) 500 900
Spinach (Spinacia oleracea) 250 250
Squash (Cucurbita spp.) 500 1000
Swiss chard (Beta vulgaris) 300 500
Tomato (Lycopersicon esculentum) 50 70
Turnip (Brassica rapa) 50 70
Watermelon (Citrullus lanatus) 500 1000
Wheat (Triticum spp.) 500 1000


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