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Article
Chemical treatment of soil alleviates effects of soil compaction on pea seedling growth
HIGH mechanical resistance of soils, related to naturally occurring hard pans, or to compaction by machinery and untimely cultivation1–3, often reduces crop yields through poor development of root systems1,4–6. I...
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Article
The movement of 2,4-dichlorophenoxy acetic acid in root segments of Pisum sativum L.
An acropetal polarisation of the movement of 2,4-dichlorophenoxy acetic acid (2,4-D) through subapical segments of Pisum seedling primary roots has been monitored throughout a 60 h transport period in darkness at...
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Article
Abscisic acid and the response of the roots of Zea mays L. seedlings to gravity
Exogeneous application of abscisic acid (ABA) to intact roots of LG 11 maize seedlings inhibits root elongation and induces bending of the root in response to gravity in darkness, even though the roots of thes...
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Article
Promotion of cress root elongation in white light by 3,5-diiodo-4-hydroxybenzoic acid
The effect of low concentrations of 3,5-diiodo-4-hydroxybenzoic acid (DIHB) in promoting the elongation of light-exposed cress (Lepidium sativum L.) roots has been further examined. Aeration of the DIHB solution ...
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Article
The movement of 2,4-dichlorophenoxy acetic acid in root segments of Pisum sativum L.
The movement of 2,4-Dichlorophenoxy acetic acid (2,4-D) through subapical segments of the primary roots of Pisum seedlings has been investigated using [1-14C]2,4-D.
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Article
The role of the root cap in the response of the primary roots of Zea mays L. seedlings to white light and to gravity
Investigations into the relationship between the light-induced inhibition of root elongation and the response of Zea mays primary roots to gravity have revealed a close similarity between growth-inhibiting factor...
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Article
The root cap and control of root elongation in Zea mays L. seedlings exposed to white light
Light-induced inhibition of the elongation of primary roots of Zea mays seedlings is dependent upon the perception of light by the root cap. Separate exposure of detached root caps and roots from which root caps ...
