basipetal


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basipetal

[bā′sip·əd·əl]
(biology)
Movement or growth from the apex toward the base.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The initiation and differentiation of secondary branches may be acropetal, basipetal or amphipetal.
Vascular connection between buds and root cutting of Esenbeckia febrifuga was established by an acropetal and basipetal differentiation of vascular tissues as observed in Machaerium stipitatum (Hayashi et al.
As the leaf grows, the drip tip remains more or less constant in size as the basipetal parts of the leaf lengthen and widen.
The symptoms were dwarfism and foliar reddening in -N and H.O shinning and paleness (-P), basipetal necrosis (-K), irregular depressions (-Mg), light chlorosis (-Ca), and paleness and basal compactation (-S).
Sorghum panicles have a basipetal anthesis pattern (Doggett, 1970; Heiniger et al., 1993b).
Genotypic differences in aluminum resistance of maize are expressed in the distal part f the transition zone: is reduced basipetal auxin flow involved in inhibition of roots elongation by aluminum?
The nodes were counted based on when they initiated flowering branches, that is, top downward in canola (basipetal succession).
The direction of flower initiation is basipetal, at least on ultimate branches.
The effect of IAA on sugar accumulation and basipetal transport of [.sup.14C]-labelled assimilates in relation to root formation in Phaseolus vulgaris cuttings.
Moreover, Peoples and Matthews (1981) and Ashley (1972) found that the normal assimilate transport in sympodia is basipetal, and regardless of the fate of bolls at distal FS, bolls at FS 1 can still benefit from assimilates originating in subtending leaves at FS 2 and 3.
Some capitula, however, mature in a basipetal or centrifugal pattern (Cronquist, 1977; Payer, 1857) and are then logically termed "determinate inflorescences" (Classen-Bockhoff et al., 1989; Harris, 1994).
Freezing proceeded only acropetally in shoots and leaves, contrary to freezing events in barley and velvetgrass (Holcus lanatus L.) in which basipetal freezing also occurred (Pearce and Fuller, 2001).