A pecan catocala, 141

FIGURES.

Approximate pecan areas, 17

Money-maker, Post, San Saba, Bacon, 29

Curtis pecan, 32

Mammoth, Dalzell, Kennedy, 33

Frotscher pecan, 35

Georgia pecan, 36

Schaifer, Ideal, Ladyfinger, Atlanta, 41

Mantura pecan, 43

Pabst pecan, 46

Russell, Franklin, Kincaid, 49

Schley pecan, 51

Stuart pecan, 52

Success pecan, 53

Van Deman pecan, 55

Nussbaumer, 58

H. minima and two hybrids, 59

Schneck hybrid, 60

Grafting iron, Budding knife, 72

Scions, 76

Annular budding, 78

Veneer shield-budding, 79

Chip-budding, 80

Cleft grafting, Whip grafting, 81

One-year pecan in fruit, 82

Pecan tree grown on quicksand, 90

View of bud union, 99

View of whip graft, 100

Annular bud, 101

Rectangular planting system, 104

Hexagonal planting system, 105

Planting-board, 107

A nursery tree with good root system, 119

Taproot cut and uncut, 120

Spraying pecan trees, 131

Nut crackers of different types, 149

Woodson's power kernel extractor, 151

PREFACE.

In the horticultural development of the country, new fruits, new groups
of fruits, new fruit industries are coming into prominence. Our native
fruits in particular are now receiving, in many parts of the country, a
larger share of the attention which they have always merited, and none
has proven itself more worthy of careful study and painstaking care than
the pecan.

Within the last ten or fifteen years it has rapidly emerged from a wild
or semi-wild condition to the status of an orchard nut. The foundations
of its culture were laid a considerable time ago, but only now is it
coming to its own, its well merited standing among the fruits of the
country.

In any horticultural industry many questions must