S07-D2

Soybean

Variety Description

Varieties used for comparison: 'S08-80' and 'S10-B7'

Summary: The colour of the hairs on the middle third of the main stem of 'S07-D2' are grey while they are tawny in 'S08-80' and light tawny in 'S10-B7'. The intensity of the brown colour on the pod is medium for 'S07-D2' and light for the reference varieties. 'S07-D2' has slightly larger seed than the reference varieties. The hilum of 'S07-D2' is yellow while it is imperfect yellow for the reference varieties. 'S07-D2' matures slightly earlier than 'S08-80'.

Description:

HYPOCOTYL: anthocyanin colouration present

PLANT: indeterminate growth type, erect growth habit, medium beginning of flowering period, medium maturity
STEM: grey pubescence on middle third
LEAF: lateral leaflet shape pointed ovate

FLOWER: violet

POD: medium brown
SEED: spherical, large, yellow ground colour of testa
HILUM: yellow

DISEASE REACTION: resistant to Phytophthora rot (Phytophthora megasperma f. sp. glycinea) races 1-4 inclusive, susceptible to Soybean cyst nematode (Heterodera glycines)

AGRONOMICS: 0 maturity group

Origin & Breeding History: 'S07-D2' (experimental designation 06DL381723) originates from the cross made in 2003 between 22488 and 43178 in Arva, Ontario. Selection criteria included yield performance, disease resistances and quality characteristics. A winter contra season nursery was used to advance the variety through the first 5 generations.

Tests & Trials: Tests and trials were conducted during 2010 and 2011 at Syngenta Canada, Inc., Arva, Ontario. Plots consisted of 4 rows with a row length of 5 meters and a row spacing of 0.75 meters. There were 2 replicates.

Click on image for larger view

Soybean: 'S07-D2' (centre) with reference varieties 'S08-80' (left) and 'S10-B7' (right)