Paper Information

Journal:   IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)   2007 , Volume 37 , Number 6; Page(s) 1017 To 1022.
 
Paper: 

THE EFFECT OF PLANTING DENSITY ON TUBERIZATION OF TWO POTATO CULTIVARS (AGRIA AND MARFONA) IN HAMADAN

 
 
Author(s):  TAGHDIRI B.*, GHOLAMI MANSOUR
 
* FACULTY OF AGRICULTURE, ABU-ALI SINA UNIVERSITY OF HAMADAN
 
Abstract: 

The Effect of planting density on tuberization of two potato cultivars was studied under Hamadan climatic conditions in a factorial experiment of randomized block design with four replications. The treatments consisted of three sowing densities (20 cm, 25 cm and 30 cm plant spacings on the row) and two potato cultivars (Agria and Marfona). The number and weight of tubers per plant, yield, dry matter content of tubers, and percentage of tubers with 35-55 mm diameter were determined. There were significant differences observed between cultivars for the number and weight of tubers per plant at levels of 1% and 5%, respectively. There were significant differences among planting densities at I% level. Cultivars and sowing densities also showed interactions for tuber weight per plant. Agria cultivated with 30 cm spacing had the highest tuber weight per plant. There were significant differences for yield between cultivars and among sowing densities as well as between their interactions. Agria planted with 20 cm spacing had the highest yield. Agria cultivated with 20 cm spcing contained the highest, while Marfona planted with 30 cm density the lowest dry matter content. There were no significant differences observed between cultivars, among sowing densities, and their interactions for percentage of tubers of35-55 mm diameter.

 
Keyword(s): TUBERIZATION, PLANTING DENSITY, POTATO, AGRIA, MARFONA
 
References: 
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