Field Manual No. 4
RAS/91/004

Cover
SEED ORCHARDS

TABLE OF CONTENTS


Guidelines on Establishment and Management Practices


by


Lars Schmidt
Associate Professional Officer


August, 1993


The designations and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.

The opinions expressed in this publication are those of the author alone and do not imply any opinion whatsoever on the part of the FAO.


For copies write to:Chief Technical Adviser/Project Coordinator
UNDP/FAO Regional Project on Tree Breeding & Propagation
RAS/91/004
P.O. Box 157
College, Laguna 4031
Philippines

UNDP/FAO REGIONAL PROJECT ON IMPROVED PRODUCTIVITY
OF MAN-MADE FORESTS THROUGH APPLICATION OF TECHNOLOGICAL
ADVANCES IN TREE BREEDING AND PROPAGATION
(RAS/91/004)


Hyperlinks to non-FAO Internet sites do not imply any official endorsement of or responsibility for the opinions, ideas, data or products presented at these locations, or guarantee the validity of the information provided. The sole purpose of links to non-FAO sites is to indicate further information available on related topics.

This electronic document has been scanned using optical character recognition (OCR) software. FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


TABLE OF CONTENTS

Preface

Introduction

Some terms and definitions

Reproductive age of trees

Some physiological and environmental conditions that promote seed production

Establishment and management of seed orchards

Size and longevity of seed orchard

Location of the seed orchard

Spacing of the trees in the seed orchard

Site preparation and establishment of orchards

Orchard design

Controlled pollination in seed orchard

Silvicultural management of seed orchards

Selected readings