Agriculture Topic
Plant Protection and Pests
- Read notes
- Flashcards
- Quiz
- Confident
Study focus - 3 things
- Plant protection means keeping crops safe from pests, diseases, weeds, and damage
- Pests reduce crop yield and quality by feeding on plants or spreading disease
- Insect pests often have life cycles, so control works best when timed properly
Section 1What plant protection means
Plant protection is the set of practices used to keep crops healthy. It includes preventing and controlling pests, diseases, weeds, and other damage. The thing to remember is that healthy crops usually give better yield and quality.
Section 2Pests affecting crops
A pest is an organism that harms crops or farm products. Crop pests include insects, mites, birds, rodents, snails, and some worms. In Jamaica, farmers may deal with pests on crops like callaloo, cabbage, peppers, and yam.
Section 3Insect pests
Insect pests can chew leaves, suck plant sap, bore into stems or fruits, and spread plant diseases. Examples include caterpillars, aphids, beetles, and whiteflies. Watch out: not every insect is a pest; some are helpful pollinators or natural enemies.
Section 4Life cycle of insect pests
Many insects pass through stages such as egg, larva, pupa, and adult. The larva stage often causes heavy feeding damage. Here's the trick: knowing the life cycle helps farmers choose the best time to control the pest.
Examples
A farmer sees caterpillars chewing cabbage leaves. What type of farm problem is this?
This is an insect pest problem because caterpillars are insects feeding on the crop.
A pepper farmer notices tiny insects sucking sap and leaves curling. Why should the farmer identify the pest before control?
Different pests need different control methods. Identifying the pest helps the farmer choose a method that works and avoids wasting money.
Now let's water it
Session runs notes to flashcards to quiz back-to-back.