A trade-off between leaf hydraulic efficiency and safety across three xerophytic species in response to increased rock fragment content
Xiulong Zhang,
Shaowei Ma,
Hui Hu
et al.
Abstract:Limited information is available on the variation of plant leaf hydraulic traits in relation to soil rock fragment content (RFC), particularly for xerophytes native to rocky mountain areas. In this study, we conducted a field experiment with four gradients of RFC (0%, 25%, 50% and 75% ν ν−1) on three different xerophytic species (Sophora davidii, Cotinus szechuanensis, and Bauhinia brachycarpa). We measured pre-dawn and midday leaf water potential (Ψleaf), leaf hydraulic conductance (Kleaf), Ψleaf induced 50%… Show more
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