Journal of Food, Agriculture and Environment

Evaluation of ‘Out Salt’ anti-stress material effects on mini-tuber production of potato cultivars under in vivo condition

Author(s):

Davoud Hassanpanah ^*, Jafar Azimi

Recieved Date: 2011-10-06, Accepted Date: 2012-01-10

Abstract:

This study was conducted to evaluate the anti-stress material effects of ‘Out Salt’ on mini-tuber production of potato cultivars during 2010 and 2011. Seedlings of Agria, Savalan, Marfona and Sprit cultivars were raised by using single node cuttings under optimum light intensity and temperature during two months. Then, produced seedlings were propagated by single node cuttings. Experimental design was factorial based on completely randomized design with three replications with two factors; the first factor included three levels of ‘Out Salt’ anti-stress material (0, 2 and 3‰), and the second one four potato cultivars seedlings (Agria, Savalan, Marfona and Sprit). The seedlings were planted with 10 cm distances between rows and 10 cm between plantlets in planting beds of Mikskaar with punce (1:1 v/v) in greenhouse. The ‘Out Salt’ anti-stress agent was used at germination, tuberization and bulking stages. Analysis of variance showed that ‘Out Salt’ anti-stress treatment, cultivar and their interaction had significant effect on mini-tuber number and weight per square metre, mini-tuber size average and number of mini-tubers  in the  < 3 g,  3-7 g and >7 g size  classes.  Savalan cultivar had the highest mini-tuber number and weight per square metre  and  number of mini-tubers in the  < 3 g and 3-7 g size classes under  ‘Out Salt’ anti-stress treatment of 2‰, and Marfona cultivar had the highest mini-tuber number  in the  >7 g size class under ‘Out Salt’ anti-stress treatment of 3‰. In this research, ‘Out Salt’ anti-stress treatment of 2 and 3‰ in Savalan and Marfona cultivars increased mini-tuber number per square metre by 900 and 850 tubers, respectively. 

Keywords:

Mini-tuber, potato, anti-stress, ‘Out Salt’

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 1
Category: Agriculture
Pages: 256-259

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