acropetal

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Related to acropetally: dichasia

acropetal

[ə′krä·pəd·əl]
(botany)
From the base toward the apex, as seen in the formation of certain organs or the spread of a pathogen.
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However, a similar trend was observed for (i) the proportion of ear size reached at silking, (ii) the dynamic of spikelet and silk initiation, and (iii) the pattern of silk elongation, which was repetitive along the ear and acropetally delayed in time.
Freezing proceeded only acropetally in shoots and leaves, contrary to freezing events in barley and velvetgrass (Holcus lanatus L.
He found that crude protein, in vitro organic matter digestibility, and mineral concentration increased acropetally on the shoot.
In spikelets with many flowers, the flowers develop acropetally (Figs.
Dicamba (3,6-dichloro-2-methoxybenzoic acid), for example, is translocated acropetally in several species, the mechanism for which may or may not be phloem transport (A1-Khatib et al.
In a few even more extreme examples, some condensed heads mature neither acropetally nor basipetally and thus seem to have no discernable pattern of maturation at all.
Within a growing internode the youngest, undifferentiated tissues arise from the intercalary meristem (IM) at the base of the internode and become progressively more developed as they are "pushed" acropetally in the internode by new cells formed in the IM and by cell enlargement.
Plant age was determined by counting the number of nodes acropetally from the first node above the cotyledons to the last unfolded sepal pair.