Waec Agricultural Science Past Questions

Use the information below to answer this question.

I. Yellowing of leaves

II. Raised brown spots on the leaves

III. Drying up of leaves

IV. Exudation of gum

The disease of citrus described above is

Soil-borne diseases could be controlled in the nursery by

Which of the following crops is correctly matched with a disease that affects it?

The most common way of controlling weeds in tree crop plantations is by

Damping of disease of tomato could be controlled by