Delta-T Devices Ltd.

Delta-T - Model AP4 - Leaf Porometer - Manual

The AP4 is a cycling porometer. It is used for measuring the stomatal resistance of plant leaves. This is a measure of the resistance to loss of water vapour through the stomata and is an indicator of the physiological state of the plant. Stomata are sensitive to light, carbon dioxide, pollutants and water stress and pathogens. The AP4 provides an ...