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Title: Leaf water potential is typically highest just before dawn and then decreases pr Post by: colleen on Jan 31, 2012 Leaf water potential is typically highest just before dawn and then decreases progressively through midday. Should lower leaf water potentials at midday increase or decrease the rate of water movement from soil to a plant? Assume soil water potential is approximately the same in early morning and midday. Are the water needs of the plant greater in early morning or at midday?
Title: Re: Leaf water potential is typically highest just before dawn and then decreases pr Post by: duddy on Jan 31, 2012 Lower leaf water potential at midday should increase the rate of water movement from soil to plant, since water moves down gradients of water potential. The water needs of plants are generally greater at midday.
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