Pecan IPM Toolbox:  Horticultural Practices

Introduction

Damage Windows

A Single Time for Monitoring

Plant Development Stages

Time Lapse Between Development Stages

Nutrition

• Pecan Leaf Sample Collection for Nutritional Analysis

Zinc Nutrition for Pecan Trees

• Zinc Makes Big Leaves
• Two Sources of Zinc
• Zinc Application Rates
• Other Forms of Zinc
• Zinc Rosette
• Soil pH
• Effects of Relative Humidity
• Shoot Growth and Leaf Analysis
• Zinc Alone is Not Enough

Nitrogen Management for Pecan Trees

• Nitrogen Alone is Not Enough
• Regular Bearing
• Nitrogen Only
• Amount of Nitrogen to Apply
• When to Apply Nitrogen
• Weeds and Nitrogen
• Shoot Growth and Nitrogen

Water Management for Pecan Trees

• Amount of Water
• When to Water
• Mid-winter Water

Orchard Spacing

• Hedging
• Space Needs
• Light
• Importance in Disease Prevention

Orchard Soil

• Drainage Test Hole
• Salt Problems

Orchard Weed Management

• Far West Texas
• Central and South Texas
• East Texas and Gulf Coast
• Native Groves
• Small Orchards
• Shredding
• Cultivation
• Chemical Weed Control

Native Orchard Tree Thinning

• Soil and Light
• Native Groves Crowd
• Maintain 30 Square Feet Per Acre
• Each Tree Is Unique
• Qualities in a Good Pecan Tree
• Reduced Disease Pressure
• Reduced Costs
• Increased Spraying Efficiency
• Grazing Bonus
• Exercise Good Judgment
• Be Selective

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