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Saturday, 29 August 2009 11:52 |
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‘Toki’ has a purple hypocotyl and purple flowers while ‘Dundas’ has a green hypocotyl and white flowers. ‘Toki’ has determinate stem termination while the reference varieties have indeterminate stem terminations. ‘Toki’ has a shorter plant height than the reference varieties. ‘Toki’ has gray pubescence while the reference varieties have brown pubescence. ‘Toki’ has tan pod colour while ‘Dundas’ and ‘PS44’ have brown pod colour. ‘Toki’ matures earlier than ‘Dundas’ and ‘PS44’. ‘Toki’ has yellow hilum colour while ‘OAC Champion’ and ‘PS44’ have imperfect yellow hilum colour and ‘Dundas’ has brown hilum colour. Description: Plant: determinate stem termination genotype, gray pubescence Hypocotyl: purple Leaves: three leaflets, ovate terminal leaflet Flower: purple Maturity: group 0, 2700 heat units Pod: tan Seed: spherical flattened in shape, intermediate seed coat lustre, yellow seed coat, yellow hilum, yellow cotyledon Agronomic traits: fair resistance to lodging Quality characteristics: tofu type Chemical characteristics: low seed coat peroxidase activity Origin and Breeding: ‘Toki’ originated from the cross Ken Feng/AC Proteus(X3153-B-B-1-8)*2/2/Tamba Black, made by the Eastern Cereal and Oilseed Research Centre, Agriculture & Agri-Food Canada, Ottawa, Ontario. The F2 population was grown in Ottawa in 1994. Pedigree selection was employed through the F5 generation. In the F5 generation, selected progeny rows were bulked for evaluation in following generations. ‘Toki’ was tested as X3790-11-5-1 in Ottawa in 1998 and 1999 and tested as OT02-16 at multiple locations in Ontario and Quebec from 2000 to 2004. Go to table of soybeans varieties
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