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Yellow-cedar (Yc)

The major limiting factors that can be addressed by stock type selection for Yc are snowpress, and light browsing. In areas where browsing is severe, even larger stock types may not be effective.

Like the Abies species, Yc requires a 12-week seed treatment. Because seed supply is lower than demand, the species is also raised as rooted cuttings (CRC). In the nursery, CRC may display juvenile foliage and poor stem form, but these do not persist in plantations.

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Spruce (Sx)

Lodgepole Pine (Pli/Plc)

Western Redcedar (Cw)

Coastal Douglas-fir (Fdc)

Interior Douglas-fir (Fdi)

Sitka Spruce (Ss and Sxs)

Western Larch (Lw)

Western White Pine (Pw)

Yellow Pine (Py)

Subalpine Fir (Bl)

Amabilis Fir (Ba)

Noble Fir (Bn)

Grand Fir (Bg)

Western Hemlock (Hw)

Mountain Hemlock (Hm)

Yellow-cedar (Yc)

Hardwoods

Native Shrubs

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Sowing Trends ­ 1993/1998
Species:   Yellow-cedar (Yc)

  1993 1998

% of total sowing of Yc*
     1 + 0
     BBR/PBR
85
0
96
1
# of stock types 5 13
Dominant container types 313B 313B/410
Smallest container type 313A 313B
Largest container type 615A PPT 615A 1+1
Quantity sown (K)* 628 1701

New stock types since 1993:  410/412A
*  Includes cuttings.

Pie graph showing Yc stock type profile, 1998 sowing.

* 39% of sowing request is for rooted cuttings (CRC)

Plate 36.   Yc stock types. Note the mature needles on the rooted cuttings. (Arrowheads indicate target heights.)

Yc stock types.


Yc stock type suitability.

Yc Limiting factors
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spacer graphic Season Vegetation
competition
Snow-
press
Animal
damage
Shallow
soils

Recommended stock types:
CRC/PSB 313B 1+0 Sp, Su, Fa Poor Poor Poor Fair
CRC/PSB 410 1+0 Sp, Su, Fa Fair Fair Fair Good
CRC/PSB 415B 1+0 Sp, Su, Fa Fair Fair Fair Poor
CRC/PSB 412A 1+0 Sp, Su, Fa Good Good Fair Good
CRC/PSB 415D 1+0 Sp, Su, Fa Good Fair Good Poor


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