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Effects of application rate and timing of ethephon treatments on abscission of ponderosa pine dwarf mistletoe 4 years following treatment

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By: Johnson, David W. (David Winslow),

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: application rate application timing Arceuthobium vaginatum ethephon Parasitic plants Pinus ponderosa Weed control
Effects of application rate and timing of ethephon treatments on abscission of ponderosa pine dwarf mistletoe two years following treatment

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By: Johnson, David W. (David Winslow), - Hildebrand, D.M.

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: application rate application timing Arceuthobium vaginatum ethephon Parasitic plants Pinus ponderosa Weed control