1989
DOI: 10.1007/bf02370285
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Aluminum inhibition of shoot lateral branches ofGlycine max and reversal by exogenous cytokinin

Abstract: Aluminum effects on the morphological development of soybean (Glycine max (L.) Merr.) were characterized in greenhouse and growth chamber experiments. An Al-sensitive cultivar, 'Ransom', was grown in an acid soil (Aeric Paleudult) adjusted to 3 levels of exchangeable A1. Lateral shoot development at the nodes of the main stem was extensive in the limed soil containing 0.06 cmol(+)A1 kg -~. However, lateral shoot length and weight were severely inhibited in the unlimed soil containing 2.19 cmol(+)A1 kg -I, and … Show more

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Cited by 46 publications
(20 citation statements)
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“…However, when liming exceeded 0.5×Al(ec), Mg uptake in the leaves did not increase (Table 3), but it kept increasing in the roots (Table 2). Increasing Mg uptake in the leaves with increasing Al(ec) was also reported by Pan et al (1989). Increasing Mg uptake in the roots and leaves was triggered by increasing Mg in the soil due to liming.…”
Section: Resultssupporting
confidence: 62%
“…However, when liming exceeded 0.5×Al(ec), Mg uptake in the leaves did not increase (Table 3), but it kept increasing in the roots (Table 2). Increasing Mg uptake in the leaves with increasing Al(ec) was also reported by Pan et al (1989). Increasing Mg uptake in the roots and leaves was triggered by increasing Mg in the soil due to liming.…”
Section: Resultssupporting
confidence: 62%
“…When the stress applied to the roots of a sensitive genotype is very severe, however, (e.g. at high levels of exchangeable A1) and root regeneration is impaired, shoot development may be inhibited not only by a deficiency in water or mineral nutrients but also by limited root-supply of CYT (Pan et al, 1989). Because of the wide range of stress factors to which roots may be subjected in acid soils plants have developed different strategies (avoidance and tolerance) in adaptation to these soils.…”
Section: Discussionmentioning
confidence: 99%
“…Aluminium-induced changes in concentration have been demonstrated thus far only in the case of ABA (Klimashevskii, 1983) and cytokinins, although it seems probable that the involvement of cytokinins may be directed through altered shoot growth (Pan et al, 1989).…”
Section: What Is the Role Of The Cap Inhibitor?mentioning
confidence: 99%