If Plant Pests and Diseases Invade!

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

If one day you suddenly notice that a serpent has entered your garden…your prized plants are covered with horrid crawling creatures, or a crippling disease has disfigured some perfect blossoms or beautiful foliage, what should you do? — Fortunately, many of these problems can be quickly eradicated. You simply can restore your garden to its former glory by improving a few gardening habits and doing some needed pruning.

Though no plant is completely immune to pests or diseases, you can lessen the risks by taking a few simple cautions.

– Use clean plant containers and sterilized potting mixes whenever you grow any plants.

– Examine all new plants carefully before introducing them into your garden. If they are carrying plant pests and diseases, they could cause an epidemic.

– Familiarize yourself with every new plant you bring into your garden, so you’ll know whether or not you’re providing for its growing requirements. Pets and diseases are less likely to strike a healthy plant.

– Check over all your plants periodically. Look at them carefully to see if they’re healthy and if they need repotting. This inspection should ferret out any plant that has a problem.

– If you do find a pest-infested or diseased plant, cure it immediately if you can. But if it is beyond your help, harden your heart and discard it.

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Most pests that invade your garden are small insects. There are 2 approaches to pest control: one is a direct method, involving physical removal of the pests; the other requires using pesticides, a less direct method that could harm your plant. The direct approach is to remove pests by hand or to wash them off the plants with water from a hose or a mist sprayer. The advantage to this approach is that it can be repeated as often as needed to control pests. Most insecticides require a certain waiting period between applications. The main problem with this approach is that you might be unable to eliminate insect eggs in the soil. Spraying delicate plants with insecticides can be almost as harmful to some plants as the pest infestation itself.

Always read and carefully follow label directions on pesticides. Be sure the insecticide is intended to eliminate the specific pest attacking your plant and that it is recommended for use on that particular plant. Some tender plants, such as ferns, may succumb to the spray itself. It’s best to spray plants outdoors, where any residue will be dispersed in the open air and you can be sure to cover all the leaf surfaces, both top and bottom.

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Many diseases can be avoided if you practice good gardening techniques. This involves keeping your garden clear of weeds, dead flowers, or fallen leaves. Remove any plants that appear to be pest-infested or diseased. Remove annuals and vegetables growing in beds or under benches as soon as their normal season is past. Old and weak plants are especially susceptible to disease.

A few of the common diseases that strike plants are listed here with suggested solutions for controlling each problem.

# Powdery Mildew

This appears as a bluish white dust that covers leaves, stems, and flower buds. Foliage may curl or be distorted. The main causes are overwatering. Try moving the infected plants to a better location, removing the damaged portions of the plant, or spraying with sulfur dust or benomyl. A badly infected plant should be discarded.

# Black Spot

Black spots appear on the foliage of diseased plants. The best method of keeping this problem under control is to discard the diseased plants.

# Rust

Blisters form on infected plant leaves and scatter reddish or yellow spores. Remove the infected leaves.

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

Plant Pests and Diseases

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