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Pakistan Journal of Biological Sciences

Year: 2008 | Volume: 11 | Issue: 10 | Page No.: 1370-1374
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Authors

Davoud Hassanpanah

Elshad Gurbanov

Aladdin Gadimov

Reza Shahriari

Keywords

Research Article

Shortening Transplantation Periods of Potato Plantlets by Use of Potassium Humate and Kadostim and Their Effects on Mini-tuber Production

Davoud Hassanpanah, Elshad Gurbanov, Aladdin Gadimov and Reza Shahriari
Plantlets produced from meristem culture of six advanced cultivars (Agria, Advanced clone 397007-9, Marfona, Sante, Satina and Ceaser) propagated by single node cuttings arranged in a RCBD base factorial design with ten replications. Factor A was plantlets produced from meristem culture of advanced cultivars and factor B was seven treatments (four concentrations of potassium humate as 0.5, 1, 1.5 and 2 mL, one concentrations of kadostim as 1 mL, compound concentration of potassium humate and kadostim as 1 ml L-1 MS media culture and without them as control). Produced plantlets transplanted into the planting beds of Pitmass (Biolan) with punce (1:1 v/v) in the greenhouse. Some of traits measured such as average weight and number of mini-tuber per plant after harvesting. Results of analysis of variances showed the significant differences between effects of kadostim and potassium humate on advanced cultivars, for transplantation into the greenhouse, stem solidity and rhizo-genesis characters. So transplantation days decreased from 30 to 13 days in MS media culture with compound of potassium humate + kadostim by concentration of 1 ml L-1 MS media culture, also decreased to 15 days in MS media culture with kadostim by concentration of 1 ml L-1 MS media culture and also decreased to 22 days in MS culture with potassium humate by concentration of 1 and 1.5 ml L-1 MS media culture and plantlets had the highest stem solidity and better rhizo-genesis in all of treatments. Agria, Sante and Marfona transplanted earlier and Ceaser transplanted later than others to the greenhouse. Compound concentration of potassium humate and kadostim 1 ml L-1 MS media culture had the highest number of mini-tubers per plant and potassium humate 0.5 ml L-1 MS and Kadostim 1 ml L-1 MS had the highest mini-tuber weight per plant and average of mini-tuber weight per plant. Agria had the highest number and average of weight of mini-tubers per plant. Potassium humate 0.5 ml L-1 MS in satina, kadostim 1 ml L-1 MS in marfona and potassium humate + kadostim 1 ml L-1 MS in Agria had the highest number of mini-tubers per plant. Increasing rate of weight and number of mini-tubers per plant with potassium humate and kadostim in all of advanced cultivars were more than control.
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