Question

a fungicide such as captan added to a rooting hormone ______.
a. helps prevent cuttings from rotting
b. makes the hormone last longer
c. causes the hormone to bread down chemically
d. none of the above

Explanation:

Fungicides like Captan are used to control fungal growth. When added to a rooting hormone for plant cuttings, their primary role is to prevent fungal infections that cause rotting. Option b is incorrect as fungicides don't extend hormone longevity. Option c is wrong as they don't break down the hormone. So the correct choice is a.

Answer:

a. helps prevent cuttings from rotting