A Morphogeneticist’s View of Correlative Inhibition in the Shoot

  • Elizabeth G. Cutter
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 18)


The complexity of shoot form depends, in part, on a number of correlative effects between various organs. The best known of these is apical dominance, the effect of the terminal apex on the lateral buds, but there are also correlative effects between the lateral buds themselves, and growing leaves or leaf primordia may affect other leaves or the axillary buds which they subtend. Correlative inhibition between buds has been recognized most frequently in the case of cotyledonary buds (Snow44; Sachs36; McIntyre24), but exists also between two buds at higher nodes in decussate or bijugate species, at least if the buds are of unequal size. In most species with paired leaves the buds may possess different developmental potentialities, one of each pair developing as a vegetative shoot and the other as a flower, inflorescence or thorn; in others they merely develop as shoots of unequal size (Champagnat5; Goebel13; Loiseau21; Raciborski35). Such species provide good material for the study of the less common correlative effects in the shoot. Various experiments have been or will be reported in more detail elsewhere (Cutter8; Cutter and Chiu9), but are discussed briefly now along with a more general consideration of the morphogenetic aspects of the phenomenon of apical dominance.


Shoot Apex Apical Dominance Leaf Primordia Lateral Shoot Great Relative Importance 
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Copyright information

© Plenum Press, New York 1972

Authors and Affiliations

  • Elizabeth G. Cutter
    • 1
  1. 1.Department of BotanyUniversity of California DavisUSA

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