Responses of potato genotypes to limited irrigation

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Research Paper 01/11/2014
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Responses of potato genotypes to limited irrigation

Habib Maralian, Safar Nasrollahzadeh, Yaegoob Raiyi, Davood Hassanpanah
Int. J. Agron. Agri. Res.5( 5), 13-19, November 2014.
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In order to evaluate the responses of potato genotypes to different irrigation treatments, an experiment was carried out as split-plot based on randomized complete block design with three replications at the Research Center of Ardabil Agricultural and Natural Resources, Ardabil, Iran in 2013. Irrigation treatments were assigned to main plots and three Potato genotypes were allocated to the sub plots. The potato genotypes traits such as tuber yield, relative water content, starch content, chlorophyll (a), chlorophyll (b), chlorophyll (a+b), and carotenoid were assessed under both well-watered and deficit irrigation conditions. Results showed that limited irrigation reduced plant tuber yield to17.7% compared with common cultivar. The Clone 97-2 gave the highest tuber yield, chlorophyll (a+b) and carrotenoid content at 80% irrigation treatment. Therefore, some genotypes of potato are more suited for planting in Ardabil region. It was concluded that using clone 97-2 genotype in this region would be an advantage for farmers.


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