Question

at night the stomata are – and the transpiration almost dash​

Answer 1

Answer:

The exchange of oxygen and carbon dioxide in the leaf (as well as the loss of water vapor in transpiration) occurs through pores called stomata (singular = stoma). Normally stomata open when the light strikes the leaf in the morning and close during the night.

Answer 2

Answer:

Thus, nighttime transpiration rates (Enight) are typically 5% to 15% of daytime rates, although sometimes as high as 30%, based on gas exchange measurements of individual leaves, whole-plant sap flow, and field scale lysimetry (Benyon, 1999; Snyder et al., 2003; Bucci et al., 2004, 2005; Daley and Phillips, 2006; ...