IONIC GRADIENTS AND PHOTOPERIODS. “In heliotropism, upon light exposure, an asymmetric turgor gradient formed between the adaxial and abaxial motor cells leads to leaf movement. Potassium ion influx coupled with chlorine ion is powered by a proton gradient and results in osmotic influx. In addition to heliotropism, the pulvinus changes turgor for nyctinastic leaf folding, and is affected by alterations in the length of the photoperiod.”
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linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022