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Key message We suggest, based on data available for lignin content andΨ50, a limiting relationship between embolism resistance and lignin content across various groups of seed plants. Abstract The appearance of lignin during plant evolution was of defining importance in the colonization of the terrestrial environment. Among several evolutionary advantages, lignin deposition in the xylem increased...
Wood contains a large amount of air, even in functional xylem. Air embolisms in the xylem affect water transport and can determine plant growth and survival. Embolisms are usually estimated with laborious hydraulic methods, which can be prone to several artefacts.
Here, we describe a new method for estimating embolisms that is based on air flow measurements of entire branches. To calculate the...
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