Genetic Variation in Some Phenological Characteristics of Forest Trees

A Critique of the Heat Unit Approach to Plant Response Studies

1960 • 487 citations

Ecotypic Variation of the Photoperiodic Response in Populus

1954 • 155 citations

The Structure and Life of Forest Trees

1930 • 140 citations

Patterns of genetic variation in sugar maple

1957 • 73 citations

Dormancy and Dormancy Release in White Spruce

1966 • 57 citations

Geographic variation in Pinus contorta.

1957 • 56 citations

Ecotypic Variation in Pinus strobus L

1963 • 55 citations

Geographic Variation in Pinus contorta

1958 • 35 citations

Shoot Growth Patterns of Young Loblolly Pine

1970 • 30 citations

Genetic Variation in Seedling Development of Sitka Spruce, Picea sitchensis (Bong). Carr. 1

1966 • 30 citations

Growing Seasons of Cottonwood and Sycamore as Related to Geographic and Environmental Factors

1967 • 23 citations

Breeding for delayed budbreak in Picea glauca (Moench) Voss-potential frost avoidance and growth gains.

1970 • 21 citations

Shoot Growth Patterns of Some British Columbia Conifers

1963 • 19 citations

The Fine Structure of the Trigger Hair in Venus's Flytrap

1971 • 19 citations

Provenance study of douglas-fir in the Pacific northwest region.

1960 • 18 citations

PHENOLOGY OF SIX UNITED STATES PROVENANCES OF LIQUIDAMBAR STYRACIFLUA UNDER CONTROLLED CONDITIONS

1971 • 12 citations

Progress in birch genetics and tree improvement

1969 • 8 citations

A provenance study in Pinus banksiana Lamb.

1959 • 7 citations

Genecology of Larix laricina (Du Roi) K. Koch in Wisconsin. I. Patterns of natural variation.

1970 • 7 citations

Provenance study of Douglas Fir in the Pacific Northwest region. 1. Nursery performance.

1960 • 7 citations

Genetical adaptation of forest trees to the heat factor of the climate.

1970 • 6 citations

Early growth of Black Walnut trees from twenty seed sources.

1971 • 6 citations

Leaf flush in black walnut at several midwest locations

1972 • 4 citations

Variations in growth and form in young plantation Black Walnut trees.

1971 • 3 citations

The annual developmental cycle of forest trees

1970 • 3 citations