Journal of Food, Agriculture and Environment

Effects of microelement application methods on seed yield components in Alestar sunflower hybrid

Author(s):

Maryam Farzanian ¹, Mehrdad Yarnia ²*, Aziz Javanshir ², Ali Reza Tarinejhad ³

Recieved Date: 2010-08-15, Accepted Date: 2010-11-03

Abstract:

In order to study the effects of microelement application methods on yield components in Alestar sunflower hybrid, an experiment was carried out by split plot method on the base of RCBD with three replications in the agricultural research station of Islamic Azad University, Tabriz Branch. Experimental treatments include three methods of microelement application (foliar application, soil application and seed coated) and 6 levels of microelements (zinc sulphate, manganese sulphate, ferric sulphate, boric acid, mixture of four microelements and complete microelements). Results showed that foliar application of boric acid increased seed number per anthodium 6.55% more than control. Manganese sulphate increased leaf area index 6.08% more than control. Application of mixture of four microelements increased yield 2.34% more than control, the highest yield in mixture of four microelements was 3397 kg/ha which was 397 kg/ha more than control. Mixture of four microelements increased 6.55% of seed number and 9.87% of 100 kernel weight in comparison with control. Soil application of zinc and manganese sulphate increased yield in comparison with foliar application and seed coated treatment. Ferric sulphate, boric acid and complete microelements increased yield in foliar application compared to soil application and seed coated treatments.

Keywords:

Sunflower, microelements, method of application

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Journal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 3&4
Category: Agriculture
Pages: 305-308

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