alternate

By |2024-09-11T12:23:24+08:00September 11th, 2024|

pertaining to bud or leaf arrangement. one leaf or bud at each node. situated at alternating positions along the stem. In this arrangement the leaves are not directly across from each other (contrast with opposite and whorled).

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alternate host

By |2024-09-11T12:23:24+08:00September 11th, 2024|

one of a number of separate obligate hosts to the different life stages of certain pathogens. such as rusts. which must alternate between hosts.

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