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Filtering by: Advisor Fuchigami, Leslie H. Date issued sim 1976-05-05

Indicators of deciduous shade tree development useful for timing chemical defoliation and harvest

Creator:

Hotze, Mary Louise

Abstract:

In the mild climate of the Pacific Northwest, the harvesting of deciduous shade trees in wholesale nurseries is prolonged from October to January because of autumn growth and prolonged leaf retention. Economically, it is advantageous to defoliate nursery trees at the earliest possible date. Premature defoliation, however, can cause die...

Resource Type:

Dissertation