Hazelnuts

McDonald

The hazelnut cultivar (variety) developed at Oregon State, named 'McDonald', is from a cross of 'Tonda Pacifica' and 'Santiam'.

6
10

Dorris

'Dorris', tested as OSU 876.041, resulted from a cross of OSU 309.074 × 'Delta' made in 1997 by Shawn A. Mehlenbacher and David C. Smith.

6
10

Felix

The hazelnut pollinizer developed at Oregon State, named 'Felix', is from a cross of 'OSU 384.095' x 'Delta'.

6
10

Wepster

'Wepster', tested as OSU 894.030, resulted from a cross of 'Tonda Pacifica' (Mehlenbacher et al., 2011b) × OSU 440.005 made in 1997 by Shawn A. Mehlenbacher and David C. Smith.

6
10

Eta

'Eta', tested as OSU 984.075, resulted from a cross of OSU 581.039 × OSU 553.090 by S.A. Mehlenbacher and D.C. Smith in 1999.

6
10

Jefferson

'Jefferson', tested as OSU 703.007, resulted from a cross of OSU 252.146 × OSU 414.062 made in 1993 by Shawn A. Mehlenbacher and David C. Smith

6
10

Theta

'Theta', tested as OSU 1001.008, resulted from a cross of OSU 561.184 × 'Delta'. The controlled crosses were made by S.A. Mehlenbacher and D.C. Smith in 1999.

6
10

Hazelnuts Key

U

Usage

  • 6 - Commercial
  • 7 - Limited
  • 8 - Experimental

A

Availability

  • 10 - Available
  • 11 - Available from other sources
  • 12 - Limited Supply
  • 13 - Not Available