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7 records found

Effects of Seedling Size on Survival on Adverse Planting Sites

Purpose

Various size seedlings will be planted. Will observe the effects of seedling size on survival rates.

Project Start Date
1974-02-01
Project End Date
1978-12-31
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • Seedings
  • seeds
  • seedling
  • size
  • survival
  • adverse
  • planting
  • reforestation
  • vigor
  • various
  • mortality
  • rates
  • Richard Hermann
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Hermann, Richard K.
Role
C
Collaborators
N/A
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Fields that will be removed when going live.
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73
Project ID
73

Evaluation of the Effects of Certain Nursery Practices Upon Douglas-fir Seedling Vigor

Purpose

Will be planting approximately 1,500 seedlings on each of four different dates between November 1 and February 1.

Project Start Date
1981-10-20
Project End Date
1985-12-31
Related Publications
McCreary, Douglas D., and Mary L. Duryea. Predicting Field Performance of Douglas-fir Seedlings: Comparison of Root Growth Potential, Vigor, and Plant Moisture Stress. New Forests 1 (3):153-169. 1987
Project Categories
  • Forest Management
  • Nurseries
Keywords
  • Nursery
  • nurseries
  • practice
  • practices
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • seedlings
  • seedling
  • vigor
  • Denis Lavender
  • Douglas McCreary
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Lavender, Denis P.
Role
C
Collaborators
McCreary, Douglas D.
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Fields that will be removed when going live.
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180
Project ID
180

Evaluation of the Effects of Certain Nursery Practices Upon Douglas-fir Seedling Vigor

Purpose

Evaluation of the effects of certain nursery practices on Douglas-fir seedling vigor. Seedlings were planted on two dates, November of 1982 and January of 1983.

Project Start Date
1982-10-01
Project End Date
1985-12-31
Related Publications
N/A
Project Categories
  • Forest Management
  • Nurseries
Keywords
  • nursery
  • nurseries
  • practice
  • practices
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • seedlings
  • seedlings
  • seeds
  • seed
  • vigor
  • Denis Lavendar
  • Douglas McCreary
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Lavender, Denis P.
Role
C
Collaborators
McCreary, Douglas D.
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Fields that will be removed when going live.
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203
Project ID
203

Vigor Analysis of Douglas-fir Seedlings

Purpose

Seedlings will be planted at intervals of two months starting February 18-25, 1985 with final planting June 1-5, 1985. Survival and bud burst will be observed.

Project Start Date
1985-02-18
Project End Date
1985-08-30
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • vigor
  • vigorous
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • seedling
  • seedlings
  • seed
  • seeds
  • survival
  • mortality
  • Joseph Zaerr
  • Keith Forry
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Forry, Keith R.
Role
C
Collaborators
Zaerr, Joseph
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220
Project ID
220

Vigor Analysis of Douglas-fir Seedlings

Purpose

Project will compare field survival with growth room survival in an attempt to correlate field performance with the starch content of the seedling at the time of planting.

Project Start Date
1985-10-25
Project End Date
1986-11-01
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • vigor
  • analysis
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • seedlings
  • seedlings
  • seed
  • seeds
  • survival
  • growth
  • mortality
  • starch
  • starches
  • Keith Forry
  • Joseph Zaerr
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Forry, Keith R.
Role
C
Collaborators
Zaerr, Joseph
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232
Project ID
232

Methods of Evaluating Seedling Vigor

Purpose

To evaluate methods of predicting seedling vigor. This portion of the experiment is a test of field survival.

Project Start Date
1987-02-01
Project End Date
1989-09-30
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • method
  • methods
  • seedling
  • seedlings
  • vigor
  • vigorous
  • survival
  • mortality
  • Joseph Zaerr
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Zaerr, Joseph
Role
C
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
Import Unique ID
247
Project ID
247

Interference between over and understory on Douglas-fir seedlings at different gap positions

Purpose

Plant moisture stress, light availability, height, diameter, and vigor of seedlings will be compared to different amounts of understory vegetation and distance to the overstory of the gaps.

Project Start Date
2002-08-01
Project End Date
2002-10-31
Related Publications
N/A
Project Categories
  • Trees
  • Seed Viability
Keywords
  • Interference
  • interferences
  • understory
  • under
  • douglas fir
  • douglas-fir
  • pseudotsuga menziesii
  • seedling
  • seedlings
  • seed
  • seeds
  • gap
  • gaps
  • vigor
  • growth
  • overstory
  • Alexa Michel
  • Klaus Puetttmann
Additional Information
Currently Active
No
Agency
OSU Forest Sciences
Project Type
Research
Research Forest
N/A
Researcher
Michel, Alexa
Role
PI
Collaborators
Puetttmann, Klaus
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Fields that will be removed when going live.
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387
Project ID
387

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