PESTS AND DISEASES

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Temperature, humidity, precipitation and natural enemies all influence insect populations. In some years, troublesome insects may not be numerous enough to significantly damage garden plants. In other years, large insect populations may cause serious damage or completely destroy the crop.

Effective control of garden insects must be preceded by proper identification of specific insect pests. It is not enough just to distinguish beneficial insects from pest insects. Once an insect's identity is known, you can learn about its life cycle, seasonal cycle, habits and host plants and thus exercise more effective control measures.

A variety of methods often is needed for satisfactory control of many garden pests. Since insect control methods vary in their effectiveness, you may wish to select alternative methods to correspond with differences in plant growth and productivity, insect damage, weather conditions and cultural practices.

Resistant Plant Varieties | Cultural Controls
Mechanical Control Methods

Texas Plant Disease Handbook

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