What is the purpose of bending roses?

• A. Generating stronger stems
• B. Improving bloom size
• C. Extending vase life
• D. Increasing fragrance

Answer: (A)

The idea being tested is how mechanical stress changes how a plant grows. When a rose stem is bent, the plant detects that physical touch and strain. In response, it adjusts its growth by making the stem thicker and stiffer rather than just taller. This thigmomorphogenic response helps the cane become stronger and more able to support a heavy bloom, which is especially important for roses used as cut flowers that need to withstand handling and transport.

Bending doesn't directly increase bloom size, extend vase life, or boost fragrance. Bloom size is mainly tied to the flower’s genetics and overall health, vase life depends on water uptake and post-harvest care, and fragrance is a trait of the cultivar. The primary purpose of bending, in this context, is to create sturdier stems through the plant’s natural response to mechanical stress.