Yazar

robert f scharpf

22 cilt bulundu.

Cilt sonuçları

Dwarf mistletoe on sugar pine

Robert F. Scharpf · U.S. Govt. Print. Off.]

Sayfa sayısı yok · 1968

Pinus lambertiana / Diseases / Western dwarf mistletoe / Diseases and pests / Sugar pine

Cytospora canker of true firs

Robert F. Scharpf · Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1975

Cytospora canker / Cytospora abietis

Diseases of Pacific Coast conifers

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service

199 sayfa · 1993

Conifers / Evergreens / Diseases and pests

Mistletoes on hardwoods in the United States

Robert F. Scharpf · U.S. Govt. Print. Off.]

Sayfa sayısı yok · 1974

Hardwoods / Mistletoes / Diseases and pests

Growth rate of the endophytic system of the dwarfmistletoe on Digger pine

Robert F. Scharpf · California Forest and Range Experiment Station

Sayfa sayısı yok · 1962

Growth / Pinus sabiniana / Dwarf mistletoes / Diseases and pests

Diseases and pestsDwarf mistletoe does not increase truck taper in released red firs in California / Robert F. ScharpfRobert F. Scharpf

Dwarf mistletoe does not increase truck taper in released red firs in California / Robert F. Scharpf

Robert F. Scharpf · Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1977

Fir / Dwarf mistletoes / Diseases and pests

Diseases and pestsDwarf mistletoe-infected red firRobert F. Scharpf

Dwarf mistletoe-infected red fir

Robert F. Scharpf · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1979

Dwarf mistletoes / Red pine / Abies magnifica / Diseases and pests

Dwarf mistletoesDwarf mistletoe-infected firRobert F. Scharpf

Dwarf mistletoe-infected fir

Robert F. Scharpf · Forest Service, U.S. Dept. of Agriculture, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1979

Red pine / Dwarf mistletoes

Ponderosa pineManagement of western dwarf mistletoe in ponderosa and Jeffrey pines in forest recreation areasRobert F. Scharpf

Management of western dwarf mistletoe in ponderosa and Jeffrey pines in forest recreation areas

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

11 sayfa · 1988

Diseases and pests / Jeffrey pine / Host plants / Parasitic plants / Ponderosa pine

Diseases and pestsDwarf mistletoe on red firRobert F. Scharpf

Dwarf mistletoe on red fir

Robert F. Scharpf · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1969

Abies magnifica / Dwarf mistletoes / Diseases and pests

Diseases and pestsSeed viability, germination, and radicle growth of dwarf mistletoe in CaliforniaRobert F. Scharpf

Seed viability, germination, and radicle growth of dwarf mistletoe in California

Robert F. Scharpf · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

18 sayfa · 1970

Seeds / Dwarf mistletoes / Trees / Diseases and pests

Diseases and pestsAvoid planting Scotch pine near dwarf mistletoe-infected California pinesRobert F. Scharpf

Avoid planting Scotch pine near dwarf mistletoe-infected California pines

Robert F. Scharpf · Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1988

Control / Scotch pine / Dwarf mistletoe / Diseases and pests

Forests and forestryMistletoe literature of the worldRobert F. Scharpf

Mistletoe literature of the world

Robert F. Scharpf · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1976

Information storage and retrieval systems / Mistletoes / FAMULUS (Information retrieval system) / Information services / Forests and forestry

Jeffrey pinePruning dwarf mistletoe brooms reduces stress on Jeffrey pines, Cleveland National Forest, CaliforniaRobert F. Scharpf

Pruning dwarf mistletoe brooms reduces stress on Jeffrey pines, Cleveland National Forest, California

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1987

Control / Insect pests / Dwarf mistletoes / Jeffrey pine

Dwarf mistletoesPopulation dynamics of dwarf mistletoe on young true firs in the Central Sierra Nevada, CaliforniaRobert F. Scharpf

Population dynamics of dwarf mistletoe on young true firs in the Central Sierra Nevada, California

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1982

Dwarf mistletoes

Jeffrey pineElytroderma disease reduces growth and vigor, increases mortality of Jeffrey pines at Lake Tahoe Basin, CaliforniaRobert F. Scharpf

Elytroderma disease reduces growth and vigor, increases mortality of Jeffrey pines at Lake Tahoe Basin, California

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1981

Diseases and pests / Elytroderma deformans / Jeffrey pine

Abies concolorPopulation buildup and vertical spread of dwarf mistletoe on young red and white firs in CaliforniaRobert F. Scharpf

Population buildup and vertical spread of dwarf mistletoe on young red and white firs in California

Robert F. Scharpf · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1976

Diseases and pests / Arceuthobium / Abies magnifica / Abies concolor

Diseases and pestsOne seed source of Jeffrey pine shows resistance to dwarf mistletoeRobert F. Scharpf

One seed source of Jeffrey pine shows resistance to dwarf mistletoe

Robert F. Scharpf · Pacific Southwest Research Station

Sayfa sayısı yok · 1992

Arceuthobium / Jeffrey pine / Diseases and pests

Diseases and pestsResistance of ponderosa pine to western dwarf mistletoe in central OregonRobert F. Scharpf

Resistance of ponderosa pine to western dwarf mistletoe in central Oregon

Robert F. Scharpf · Pacific Southwest Research Station

Sayfa sayısı yok · 1992

Arceuthobium / Ponderosa pine / Diseases and pests

Diseases and pestsElytroderma disease in young Jeffrey pine, South Lake Tahoe, CaliforniaRobert F. Scharpf

Elytroderma disease in young Jeffrey pine, South Lake Tahoe, California

Robert F. Scharpf · Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1988

Elytroderma / Jeffrey pine / Diseases and pests

Diseases and pestsWestern dwarf mistletoe infects understory Jeffrey pine seedlings on Cleveland National Forest, CaliforniaRobert F. Scharpf

Western dwarf mistletoe infects understory Jeffrey pine seedlings on Cleveland National Forest, California

Robert F. Scharpf · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1986

Jeffrey pine / Natural immunity / Dwarf mistletoes / Diseases and pests

ConifersPests of the Native California ConifersRobert F. Scharpf, David Wood, Thomas Koerber, Andrew Storer

Pests of the Native California Conifers

Robert F. Scharpf, David Wood, Thomas Koerber, Andrew Storer · University of California Press

245 sayfa · 2003

California / Conifers