Yazar

g e rehfeldt

26 cilt bulundu.

Cilt sonuçları

Performance of Douglas-fir intervarietal hybrids after 10 years of field testing

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

Sayfa sayısı yok · 1986

Douglas fir / Forest genetics

Patterns of first-year growth in populations of Douglas-fir (Pseudotsuga menziesii var. glauca)

G. E. Rehfeldt · Forest Service, U.S. Dept. of Agriculture, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1979

Douglas fir

Genetic variation in southern Idaho ponderosa pine progeny tests after 11 years

G. E. Rehfeldt · Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

12 sayfa · 1980

Ponderosa pine / Forest genetics

Development and verification of models of freezing tolerance for douglas-fir populations in the inland Northwest

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

Sayfa sayısı yok · 1986

Mathematical models / Douglas fir / Frost resistance

Ecological genetics of Pinus contorta in the Upper Snake River Basin of eastern Idaho and Wyoming

G. E. Rehfeldt · USDA Forest Service, Intermountain Research Station

Sayfa sayısı yok · 1986

Lodgepole pine / Forests and forestry / Research / Forest genetics / Trees

Genetic gains from tree improvement of ponderosa pine in southern Idaho

G. E. Rehfeldt · Intermountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

Sayfa sayısı yok · 1980

Forest genetics / Ponderosa pine / Genetics

Components of adaptive variation in pinus contorta from the inland northwest

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

11 sayfa · 1987

Variation (Biology) / Evolution / Lodgepole pine / Adaptation

Adaptive variation in Pinus ponderosa from Intermountain Regions. II, Middle Columbia River system

G. E. Rehfeldt · Intermountain Research Station

Sayfa sayısı yok · 1986

Ponderosa pine / Adaptation / Plants / Variation

Cold hardiness of western larch populations

G. E. Rehfeldt · Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1980

Acclimatization (Plants) / Larches

Ecological adaptations in Douglas-fir populations

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1982

Douglas fir

Ecological genetics of Pinus contorta in the Lower Snake River Basin of Central Idaho

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1985

Lodgepole pine / Genetics / Pinaceae / Forest ecology

Genetic gains from mass selection in lodgepole pine

G. E. Rehfeldt · Intermountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

Sayfa sayısı yok · 1980

Lodgepole pine / Forest genetics

Genetic variation in a provenance test of 16-year-old ponderosa pine

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1975

Ponderosa pine

Genetic variation of Douglas-fir in the northern Rocky Mountains

G. E. Rehfeldt · Yayınevi bilinmiyor

Sayfa sayısı yok · 1974

Kategori yok

Height growth in western white pine progenies

G. E. Rehfeldt · Forest Service, U.S. Dept. of Agriculture, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1970

Growth / Pine / Western white pine

Pinus contorta X banksiana hybrids tested in northern Rocky Mountains

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station

Sayfa sayısı yok · 1970

Lodgepole pine / Breeding / Jack pine / Pine / Hybridization

Seed transfer guidelines for Douglas-fir in central Idaho

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1983

Douglas fir

Seed transfer guidelines for Douglas-fir in western Montana

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1983

Seeds / Douglas fir

Terpenes for indirect selection of growth potential in Rocky Mountain Douglas-fir

G. E. Rehfeldt · Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1978

Terpenes / Growth (Plants) / Douglas fir

Adaptive variation and seed transfer for ponderosa pine in central Idaho

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

Sayfa sayısı yok · 1987

Plants / Effect of temperature on / Genetics / Ponderosa pine

LarchesSeed transfer guidelines for western larch in the northern Rocky MountainsG. E Rehfeldt

Seed transfer guidelines for western larch in the northern Rocky Mountains

G. E Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1983

Seed distribution / Larches

Douglas firVariation in cold hardiness among populations of Pseudotsuga menziesii var. glaucaG. E Rehfeldt

Variation in cold hardiness among populations of Pseudotsuga menziesii var. glauca

G. E Rehfeldt · Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

11 sayfa · 1979

Acclimatization (Plants) / Douglas fir

VariationInterspecific and intraspecific variation in Picea engelmannii and its congeneric cohortsG. E. Rehfeldt

Interspecific and intraspecific variation in Picea engelmannii and its congeneric cohorts

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station

18 sayfa · 2004

Engelmann spruce / Effect of global warming on / Genetics / Variation

Mathematical modelsA spline model of climate for the Western United StatesG. E. Rehfeldt

A spline model of climate for the Western United States

G. E. Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station

21 sayfa · 2006

Climate / Mathematical models

GrowthEcological adaptions in Douglas-fir populationsG. E. Rehfeldt

Ecological adaptions in Douglas-fir populations

G. E. Rehfeldt · United States Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

Sayfa sayısı yok · 1982

Douglas fir / Ecological genetics / Trees / Growth

Variation (Biology)Components of adaptive variation in pinus conorta from the inland northwestG. E Rehfeldt

Components of adaptive variation in pinus conorta from the inland northwest

G. E Rehfeldt · U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

11 sayfa · 1987

Lodgepole pine / Evolution / Variation (Biology)