Рост и развитие

Phototropism

Phototropism is the growth response of plants toward or away from an external directional light source.

Также говорят: heliotropism, phototropic response, directional growth

In agronomy, understanding phototropism is essential for optimizing crop canopy architecture. By managing light exposure, growers ensure that plants orient their stems to capture maximum solar energy, which is vital for accelerating development and maximizing final output.

In controlled environments, such as greenhouse production, light placement is critical. Failure to monitor directional light intensity can result in elongated, weak stems that lack the structural integrity to support fruit load, often leading to lodging and increased vulnerability to pathogens.

A common mistake is poor spatial management of lighting systems, causing uneven plant growth. To mitigate this, agronomists use rotating benches or adjustable light arrays to ensure uniform distribution, preventing the plants from bending excessively toward one side of the facility.