Trinity a Growers Guide Mark Nightingale Plant Breeder

Picking a Winner in the UK !  Task Identify and select varieties for the U.K. market  Elsoms Sites Six U.K. Trial locations Five are co-located with Official trials Three specific disease testing locations in the U.K. 1.LLS Specific nurseries - EW region & Scotland 2.Canker: specific nurseries in the EW region 3.Club root: specific nurseries - U.K. + Europe 1

Yield 2

Gross Output – OP’s 3

Gross Output – Hybrids (Trinity) 4

5 Agronomy

Establishing the Crop  Good autumn vigour  Strong rapid development  Robust autumn plant architecture  Good winter hardiness - not prostrate  Strong early spring growth reported from 2013 seed crops. 6

Earliness – OP’s 7

Earliness - Hybrids (Trinity) 8

Plant Height – OP’s 9

Plant Height - Hybrids 10

Standing Power – OP’s 11

Standing Power - Hybrids (Trinity) 12

13 Disease Resistance

Disease Scores – OP’s 14

Disease Scores - Hybrids 15

Verticillium Wilt  Not just a European disease…..  An increasing problem in the UK!  Dr Gladders’ recommendations for managing the risk were 1.Determine its prevalence on individual farms 2.Good agronomy – a strong plant holds off verticillium 3.Extended rotations 4.Variety choice  Trinity has good resistance – 1.Galileo parent has very good resistance 2.Trinity performed excellently in the Gottingen trials. 16