Journal of Food, Agriculture and Environment

Evaluation of different levels of water stress in potato cultivars

Author(s):

E. Farajzadeh Memari Tabrizi ^1*, M. Yarnia ^2*, V. Ahmadzadeh ³, N. Farajzadeh Memari Tabrizi ⁴

Recieved Date: 2010-06-17, Accepted Date: 2010-10-20

Abstract:

The aim of this study was to evaluate the effect of different amounts of irrigation water in growth and yield production of potato cultivars. A factorial experiment on randomized complete block design with three replications was conducted during growing season of 2009 at Islamic Azad University, Tabriz Branch, Agricultural Research Station. Treatments were potato cultivar (Agria, Satina, Savalan, Kaizer and Markis) and level of irrigation (irrigation after 70, 110 and 150 mm evaporation from the surface of evaporation basin class A). Interaction between potato variety and level of irrigation was significant at 1% level in number of tubers, plant height and leaf area and at 5% level in percentage of tubers smaller than 30 mm, dry weight of tubers and yield. Irrigation after 150 mm evaporation caused 49.39% decrease in plant height of ‘Agria’. In ‘Agria’ and ‘Savalan’ maximum values of leaf area, yield and number of tubers per plant was obtained with irrigation after 70 mm evaporation and minimum after 150 mm evaporation. In ‘Satina’ there was significant difference in amount of small tubers (<30 mm) between irrigation treatments after 70 and 150 mm evaporation.

Keywords:

Potato cultivars, drought tolerance, yield

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Journal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 3&4
Category: Agriculture
Pages: 824-827

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