Effects of switches in nutrient levels during the life cycle of winter wheat

L. Erdei, Paul Jensén, A. Bérczi, Bengt Bengtsson, Anders Kylin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effects of switches between high and low nutrient supplies on growth and mineral nutrition of winter wheat (Triticum aestivum L. cv. Martonvásári‐8) were followed in four main developmental phases: tillering, shooting, heading and grain filling. Growth of the shoots was significantly affected by switches. Under low nutrient supply the life cycle was shortened. Root growth was only slightly affected by switches, but an early high nutrient supply followed by low nutrient supply gave an impetus for root development. In general, the growth data indicate that the nutrient status of the plants is determined by the nutrient level supplied during shooting. A high level of nutrients during shooting leads also to high vegetative growth, whereas the best grain yield was obtained by a high dose of nutrients during tillering followed by low nutrient conditions during the shooting stage and later. K+(86Rb) influx in the roots decreased with age. The potential for K+ (86Rb) influx was low in plants of high‐salt status, but it became high in response to switching to low supply at shooting, whereas later switches had no influence on this function in high‐salt plants. The highest K+(86Rb) influx was found in plants starting with high nutrient supply followed by low‐salt conditions; this plant group was outstanding also with respect to its high grain yield.

Original languageEnglish
Pages (from-to)583-588
Number of pages6
JournalPhysiologia Plantarum
Volume66
Issue number4
DOIs
Publication statusPublished - Jan 1 1986

Fingerprint

Life Cycle Stages
Triticum
winter wheat
life cycle (organisms)
Food
nutrients
Growth
tillering
plant nutrition
grain yield
heading
filling period
vegetative growth
root growth
Minerals
Triticum aestivum
shoots
dosage

Keywords

  • Growth
  • influx potential
  • potassium
  • sodium
  • yield

ASJC Scopus subject areas

  • Physiology
  • Genetics
  • Plant Science
  • Cell Biology

Cite this

Effects of switches in nutrient levels during the life cycle of winter wheat. / Erdei, L.; Jensén, Paul; Bérczi, A.; Bengtsson, Bengt; Kylin, Anders.

In: Physiologia Plantarum, Vol. 66, No. 4, 01.01.1986, p. 583-588.

Research output: Contribution to journalArticle

Erdei, L. ; Jensén, Paul ; Bérczi, A. ; Bengtsson, Bengt ; Kylin, Anders. / Effects of switches in nutrient levels during the life cycle of winter wheat. In: Physiologia Plantarum. 1986 ; Vol. 66, No. 4. pp. 583-588.
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