|Botanical Name:||Glycine max|
Pioneer Hi-Bred International, Inc.
8305 NW 62nd Avenue
P.O. Box 7060
United States of America
Martin Fabrizius, Pioneer Hi-Bred International, Inc., Redwood Falls, United States of America
|Agent in Canada:||
Pioneer Hi-Bred Production Co.
24th Floor, 215 2nd Street SW
|Grant of Rights Date:||2016-04-25|
|Date rights surrendered:||2018-04-25|
Varieties used for comparison: '90Y90' and 'Absolute RR'
Summary: The pubescence on the middle third of the stem of 'P10T91R' is light tawny whereas it is tawny on 'Absolute RR'. When 50% of the pods are ripe, the plants of 'P10T91R' are taller than those of '90Y90'. The seed shape of 'P10T91R' is elongate whereas it is spherical flattened for the reference varieties. The hilum colour of 'P10T91R' is dark brown whereas it is black on 'Absolute RR'. 'P10T91R' is later maturing than 'Absolute RR'.
PLANT: oilseed type, indeterminate growth type, erect to semi-erect growth habit, light tawny pubescence on middle third of main stem, flowers and matures early to mid season
HYPOCOTYL: strong intensity of anthocyanin colouration
LEAF: pointed ovate lateral leaflet
POD: medium to dark brown colour
SEED: elongate, yellow ground colour of testa, 20.7 grams per 100 seed at 13-15 % moisture
HILUM: dark brown, yellow funicle
AGRONOMICS: 2775 heat unit rating
QUALITY CHARACTERISTICS: 39.0 % protein, 21.1 % oil
Origin & Breeding History: 'P10T91R' (experimental designations 'XB10A12' and 'PH12101') is the result of the cross between '90M60' and '91M80' conducted in 2005 in Redwood Falls, Minnesota, USA. The modified single seed descent method and pedigree method were used to develop the variety. The F1-F2 generations were grown in Salinas, Puerto Rico and the F3 generation was grown in Redwood Falls, Minnesota. The F4 generation grown in Viluco, Chili and the F5-F7 generations grown in Redwood Falls, Minnesota were advanced based on yield for single plants and progeny rows. Single plant purification took place in 2009 in Redwood Falls, Minnesota. Wide area testing continued from 2010-2012 in the USA and Canada. Selection criteria included yield, maturity and resistance to Roundup branded herbicides, to Phytophthora rot (Phytophthora megasperma f. sp. glycinea) and soybean cyst nematodes (Heterodera glycines).
Tests & Trials: The comparative trial for 'P10T91R' conducted in Sebringville, Ontario during the 2013 growing season was planted in a RCB design and consisted of 3 replicates for each variety. Plots consisted of 2 rows 4 metres in length and a row spacing of 76 cm. Each plot was sown with 300 seeds per replication. For each variety, the plant height was based on 30 measurements whereas the seed weight was based on 3 measurements. Mean differences were significant at the 5% probability level based on LSD values. Results were supported by the official technical examination report 201200184, purchased from the Plant Variety Protection Office, Beltsville, Maryland, USA.
Comparison tables for 'P10T91R' with reference varieties '90Y90' and 'Absolute RR'
Plant height (cm)
Click on image for larger view
Soybean: 'P10T91R' (center) with reference varieties '90Y90' (left) and 'Absolute RR' (right)
Click on image for larger view
Soybean: 'P10T91R' (bottom) with reference varieties '90Y90' (top left) and 'Absolute RR' (top right)
- Date modified: