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    Author(s): Edwin L. Mowat
    Date: 1961
    Source: PNW Old Series Research Note No. 203, p. 1-4
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (200 KB)


    Losses of newly planted coniferous seedlings from drought during the critical period when new roots are developing is a continuing problem in many parts of the West. One possible solution frequently suggested to forest managers is to coat the seedling tops with a transpiration inhibitor, usually a waxy substance applied in emulsion form. This research note gives the results of a study of one of these transpiration inhibitors—S/V Ceremul C—when used on ponderosa pine in the semiarid climate of central Oregon.

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    Mowat, Edwin L. 1961. Effect of a transpiration retardant on survival of planted ponderosa pine. PNW Old Series Research Note No. 203, p. 1-4

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