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:: Volume 9, Issue 4 (1-2008) ::
علوم زراعی 2008, 9(4): 332-344 Back to browse issues page
Response of four commercial potato cultivars to different combinations of plant growth regulators in meristem culture and production of virus free plantlets
Abstract:   (4247 Views)
Large amount of potato seed in the world is produced by in vitro virus free mini tubers. Therefore, evaluation of commercial varieties for production of virus free potato minituber is critical. In this study the effects of different hormones BA and KIN at three levels 0, 0.5 and 1 mgl-1 and GA3 at four levels 0, 2, 2.5 and 3 mgl-1 either alone or in combinations were evaluated in meristem culture of four potato cultivars Agria, Marfona, Sante and Burren. Plantlets were sub-cultured into the semi-solid media including four hormones combinations of MS0 medium, MS medium containing 0.5 mgl-1 BA + 0.5 mgl-1 IBA, 0.5 mgl-1 IBA + 1.5 mgl-1 GA3 and MS medium containing 0.5 mgl-1 BA + 1.5 mgl-1 IBA + 2 mgl-1 GA3 to achieve the best medium for sub-culture. Then ELISA test was conducted and virus free plantlets were selected and transferred to the greenhouse. After 90 days, number of minitubers for each cultivar were counted and recorded. The best medium for primary establishment of meristem for Burren was MS medium containing 2 mgl-1 GA3, for Agria was MS medium containing 2.5 mgl-1, for Marfona and Sante the best medium was MS containing 0.5 mgl-1 KIN + 3 mgl-1 GA3. The best media for sub-culture of virus free plantlets for meristem culture for Burren, Agria and Marfona was semi-solid MS medium containing 1.5 mgl-1 IBA + 0.5 mgl-1 BA + 2 mgl-1 GA3 and for Sante was 0.5 mgl-1 IBA + 1.5 mgl-1 GA3. Marfona had the greatest and Agria the least number of minituber.
Keywords: Potato, Hormone, Meristem culture, Virus free plantlet, Sub-culture medium, Minituber
Full-Text [PDF 2951 kb]   (1189 Downloads)    
Type of Study: Scientific & Research | Subject: Special
Received: 2015/02/25 | Accepted: 2015/02/25 | Published: 2015/02/25
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Response of four commercial potato cultivars to different combinations of plant growth regulators in meristem culture and production of virus free plantlets . علوم زراعی 2008; 9 (4) :332-344
URL: http://agrobreedjournal.ir/article-1-251-en.html


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Volume 9, Issue 4 (1-2008) Back to browse issues page
نشریه علوم زراعی ایران Iranian Journal of Crop Sciences
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