Effect of added barley chromosomes on the flowering time of new wheat/winter barley addition lines in various environments

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• 作者：Andr Farkas (1)
  Istv Moln (1)
  Tibor Kiss (1)
  IldikKarsai (1)
  Mta Moln-Lg (1)
  
• 关键词：Wheatarley addition lines ; Earliness ; Flowering time ; Heading characters ; Morphological parameters
• 刊名：Euphytica
• 出版年：2014
• 出版时间：January 2014
• 年：2014
• 卷：195
• 期：1
• 页码：45-55
• 全文大小：
• 作者单位：Andr Farkas (1)
  Istv Moln (1)
  Tibor Kiss (1)
  IldikKarsai (1)
  Mta Moln-Lg (1)
  
  1. Agricultural Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, PO Box 19, Martonv, 2462, Hungary
  
• ISSN：1573-5060

文摘

The heading characters and morphological traits of two partial sets of wheatarley disomic addition lines, namely Mv9kr1/Igri and Asakaze/Manas, were evaluated under controlled environmental conditions in a phytotron under long-day, short-day and non-vernalised conditions and in field-sown experiments. The winter barley chromosome additions significantly influenced the flowering time of wheat both in the controlled environment test and under field-sown conditions. Of all the barley addition lines, the effect of the 4H and 7H additions was the most characteristic. The 7H addition lines were the earliest in both cultivar combinations in each treatment. In the Mv9kr1/Igri combination the 4H addition was the latest under all the environmental conditions. In the Asakaze/Manas combination 4H addition was the latest under short-day and long-day illumination in the phytotron but the 6H addition was the latest without vernalisation and in the field in 2012. There was 12 and 11days difference between the flowering times of the 7H and 4H Mv9kr1/Igri and Asakaze/Manas addition lines in the field in 2012, which increased to 52 and 44days under short-day illumination in the phytotron. In the winter wheat background, the addition of 2H carrying the photoperiod sensitivity gene Ppd-H1 decreased the flowering time under the short photoperiod regime, but had a very strong delaying effect under field-grown conditions. Considering the yield components under field conditions, 4H was the most fertile of the addition lines, while 7H showed the highest tillering capacity, and Igri 3H had good tillering capacity and the highest number of seeds per plant.