Which of these factors is least likely to affect plant selection for greenhouse production?

In the context of greenhouse production, plant selection is heavily influenced by several key factors, with market demand, growth conditions, and resistance to pests and diseases being central considerations.

Market demand is critical because growers must choose plants that consumers want to buy. This ensures that the plants cultivated will be marketable and profitable. Additionally, growth conditions, such as light, temperature, humidity, and water availability, significantly impact which plants can thrive in a greenhouse setting. Selecting plants that are suitable for the existing conditions is vital for successful cultivation.

Resistance to pests and diseases also plays a crucial role in plant selection. Choosing varieties that can withstand various threats helps minimize losses and reduces the need for chemical treatments, contributing to a more sustainable operation.

While soil color can influence some aspects of plant growth, such as heat retention and aesthetic appeal, it is generally less consequential in the selection process for greenhouse production compared to the other factors. Soil color does not typically dictate the suitability or success of a plant species in a greenhouse environment, making it the least likely factor to affect plant selection among those listed.