Euphytica

, Volume 155, Issue 1–2, pp 117–124 | Cite as

Genetic dissection of plant height by molecular markers using a population of recombinant inbred lines in maize

  • Tang Ji-hua
  • Teng Wen-tao
  • Yan Jian-bing
  • Ma Xi-qing
  • Meng Yi-jiang
  • Dai Jin-rui
  • Li Jian-Sheng
Article

Abstract

Plant height is an important trait for maize breeding because it is related to planting density and lodging resistance. It is influenced by many qualitative genes and quantitative trait loci (QTL). In this study, the genetic basis of plant height and its related traits were dissected, using simple sequence repeat (SSR) markers with a maize population of 294 recombinant inbred lines (RIL). Correlation results showed that plant height had a significant positive correlation with leaf number, average internode length and internode number. Increased plant height was affected most by average internode length. Six QTL for plant height were detected, which were consistent with those reported in previous studies. Moreover, eight QTL for leaf number, seven for internode number and six for average internode length were identified. Four of six QTL detected for average internode length were located on the same chromosomal region as the QTL affecting plant height and shared common molecular markers. This latter result strongly suggests that average internode length was the main contributor to plant height in maize.

Keywords

Plant height Average internode length QTL Maize (Zea mays L.) 

Abbreviations

QTL

quantitative trait loci

RIL

recombinant inbred line

SSR

simple sequence repeats

LOD

logarithm of odds

PH

plant height

LN

leaf number

IN

internode number

AIL

average internode length

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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Tang Ji-hua
    • 1
    • 2
  • Teng Wen-tao
    • 1
  • Yan Jian-bing
    • 1
  • Ma Xi-qing
    • 1
  • Meng Yi-jiang
    • 1
  • Dai Jin-rui
    • 1
  • Li Jian-Sheng
    • 1
  1. 1.National Maize Improvement Center of China, Key Lab of Crop Genomics and Genetic ImprovementChina Agricultural UniversityHaidianChina
  2. 2.College of AgronomyHenan Agricultural UniversityZhengzhouChina

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