The study of growth indices of commercial and conventional potato cultivars in Esfahan region

Subject Areas :

Monireh  Ranjbar ¹ (Department of Plant Biology, Falavarjan Branch, Islamic Azad University, Falavarjan, Iran.)
Mahdi  Nasr Esfahani ² (Agriculture and Natural Resourses research Center, Isfahan, Iran.)
Mohammad  Mirzakhani ³ (Assistant Professor, Department of Agriculture, Farahan Branch, Islamic Azad University, Farahan, Iran.)

Received: 2012-06-10 Accepted : 2013-01-21 Published : 2014-02-20

Keywords: Growth indices, Cultivars, Potato, Growth Phenology,

Abstract :

Potatoes, including products that have important and strategic role in feeding the world and in the world, is considered the importance of the fourth product after wheat, rice and corn. So, study the compatibility condition and phenology of different cultivars of potato in different climatic regions of our country (IRAN) is important. In order to assessment the study of growth indices of commercial and conventional potato cultivars in Esfahan region this study was carried out in field Falavarjan university in Esfahan province in 2010. A randomized complete block design with forth replications. The treatement were included 11 cultivars of commercial and conventional potato. Each plot consisted 4 rows, 6 m long with 75 cm between rows and 25 cm between plants on the rows. In this study growth indices such as: Total Dry Weight, Leaf Area Index, Crop Growth Rate, Relative Growth Rate. Net Assimilation Rate and Leaf Area Rate, Special Leaf Area and Leaf Area Duration were assessed. Results showed that all cultivars have Significant different at the 1% probability levels in all of growth indices. Results indicated that Cosima variety with leaf area index (5.23) and Sante variety with leaf area index (3.07) were significantly superior to the other cultivars. The purpose of this study, evaluate the phenology of potato cultivars in Esfahan region.