Varietal Differences of Root Systems in Winter Wheat Seedlings

Yukio Kujira, John H. Grove, Pedro Ronzelli

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Varietal differences in root system morphology in winter wheat (Triticum aestivum L.) were investigated using seed pack growth pouches in a greenhouse. Different genotypic cultivars, shorter B-288 D for dwarf type, Pioneer 2548, Clark and Madison for semi-dwarf type, Cardinal and Verne for tall type, were used in this experiment under two different nutrition levels (NO3-N; 10 mg/1 and 50 mg/1) with three replications. One germinated seed of each cultivar with primary seminal root less than 1.0 mm in length was transplanted into each seed pack on Dec. 5, 1991. Significant varietal differences were recognized in the spread of the root system, but there was no diffrence between the nutrition levels. Madison and Shorter B-288 D showed a large spread of the root system, whereas Cardinal showed a small spread. Total root length per plant was significantly different among the cultivars, with Cardianl showing the largest total root length per plant and Shorter B-288 D showing the smallest. On the other hand, there were no significant differences in stem number or leaf number per plant. These varietal differences in the lateral spread of the root system and total root length per plant were considered to be controlled by genotypic parameters. The semi-dwarf gene in wheat that affects the plant type did not influence the spread of root system and total root length per plant.

Original languageEnglish
Pages (from-to)524-530
Number of pages7
JournalJapanese Journal of Crop Science
Issue number3
StatePublished - 1994


  • Root length
  • Root system
  • Spread of root system
  • Triticum aestivum L
  • Varietal differences
  • Winter wheat

ASJC Scopus subject areas

  • Food Science
  • Agronomy and Crop Science
  • Genetics


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