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Project description

Walnut Tree Phenology Model. (82WA001)
Program UC IPM competitive research grants program
Principal
investigators
V.S. Polito, Pomology, UC Davis
T.M. DeJong, Pomology, UC Davis
Host/habitat Walnuts; Tree Crops
Pest None
Discipline Plant Sciences
Review
panel
Walnuts
Start year (duration)  1982 (Three Years)
Objectives Continue data collection and development of a predictive model for major walnut cultivars to include the timing of key events in the seasonal cycle of established trees in bearing orchards.

Begin validation of a preliminary model based on last year's data, major emphasis being on aspects of whole fruit and kernel development as a function of accumulated heat units from time of pistillate bloom.

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