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

Farkas, András and Molnár, István and Kiss, Tibor and Karsai, Ildikó and Lángné Molnár, Márta (2014) Effect of added barley chromosomes on the flowering time of new wheat/winter barley addition lines in various environments. EUPHYTICA, 195 (1). pp. 45-55. ISSN 0014-2336

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The heading characters and morphological traits of two partial sets of wheat-barley 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 11 days 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 44 days 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. © 2013 Springer Science+Business Media Dordrecht.

Item Type: Article
Uncontrolled Keywords: Wheat-barley addition lines; Morphological parameters; Heading characters; FLOWERING TIME; earliness
Subjects: Q Science / természettudomány > QK Botany / növénytan
S Agriculture / mezőgazdaság > SB Plant culture / növénytermesztés
Depositing User: MTMT SWORD
Date Deposited: 05 Dec 2013 19:39
Last Modified: 05 Dec 2013 19:39

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