Evaluation in the field includes phenological traits such as leafing, flowering and harvest dates. Other traits include precocity, lateral bearing, yield, tree form and blight resistance.
Nut & Kernal Evaluation
Nut and kernal evaluations are based on weight and a combination of traits:
- Kernal traits: color, weight, kernal percent, fill, shrivel, plumpness, ease of halves.
- Shell traits: seal, thickness, color, texture
Grower Field Trials
The input from growers is an essential aspect of the Walnut Improvement Program, including field trials and extension events.